diff options
Diffstat (limited to 'llvm/lib/System/Unix')
| -rw-r--r-- | llvm/lib/System/Unix/Alarm.inc | 72 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Host.inc | 96 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Memory.inc | 151 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Mutex.inc | 43 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Path.inc | 896 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Process.inc | 295 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Program.inc | 422 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/README.txt | 16 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/RWMutex.inc | 43 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Signals.inc | 303 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/ThreadLocal.inc | 26 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/TimeValue.inc | 56 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/Unix.h | 87 | ||||
| -rw-r--r-- | llvm/lib/System/Unix/system_error.inc | 34 |
14 files changed, 0 insertions, 2540 deletions
diff --git a/llvm/lib/System/Unix/Alarm.inc b/llvm/lib/System/Unix/Alarm.inc deleted file mode 100644 index fb42b6c65da..00000000000 --- a/llvm/lib/System/Unix/Alarm.inc +++ /dev/null @@ -1,72 +0,0 @@ -//===-- Alarm.inc - Implement Unix Alarm Support ----------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the UNIX Alarm support. -// -//===----------------------------------------------------------------------===// - -#include <signal.h> -#include <unistd.h> -#include <cassert> -using namespace llvm; - -/// AlarmCancelled - This flag is set by the SIGINT signal handler if the -/// user presses CTRL-C. -static volatile bool AlarmCancelled = false; - -/// AlarmTriggered - This flag is set by the SIGALRM signal handler if the -/// alarm was triggered. -static volatile bool AlarmTriggered = false; - -/// NestedSOI - Sanity check. Alarms cannot be nested or run in parallel. -/// This ensures that they never do. -static bool NestedSOI = false; - -static RETSIGTYPE SigIntHandler(int Sig) { - AlarmCancelled = true; - signal(SIGINT, SigIntHandler); -} - -static RETSIGTYPE SigAlarmHandler(int Sig) { - AlarmTriggered = true; -} - -static void (*OldSigIntHandler) (int); - -void sys::SetupAlarm(unsigned seconds) { - assert(!NestedSOI && "sys::SetupAlarm calls cannot be nested!"); - NestedSOI = true; - AlarmCancelled = false; - AlarmTriggered = false; - ::signal(SIGALRM, SigAlarmHandler); - OldSigIntHandler = ::signal(SIGINT, SigIntHandler); - ::alarm(seconds); -} - -void sys::TerminateAlarm() { - assert(NestedSOI && "sys::TerminateAlarm called without sys::SetupAlarm!"); - ::alarm(0); - ::signal(SIGALRM, SIG_DFL); - ::signal(SIGINT, OldSigIntHandler); - AlarmCancelled = false; - AlarmTriggered = false; - NestedSOI = false; -} - -int sys::AlarmStatus() { - if (AlarmCancelled) - return -1; - if (AlarmTriggered) - return 1; - return 0; -} - -void sys::Sleep(unsigned n) { - ::sleep(n); -} diff --git a/llvm/lib/System/Unix/Host.inc b/llvm/lib/System/Unix/Host.inc deleted file mode 100644 index c76d6a4e18f..00000000000 --- a/llvm/lib/System/Unix/Host.inc +++ /dev/null @@ -1,96 +0,0 @@ - //===- llvm/System/Unix/Host.inc -------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the UNIX Host support. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -#include "llvm/Config/config.h" -#include "llvm/ADT/StringRef.h" -#include "Unix.h" -#include <sys/utsname.h> -#include <string> - -using namespace llvm; - -static std::string getOSVersion() { - struct utsname info; - - if (uname(&info)) - return ""; - - return info.release; -} - -std::string sys::getHostTriple() { - // FIXME: Derive directly instead of relying on the autoconf generated - // variable. - - StringRef HostTripleString(LLVM_HOSTTRIPLE); - std::pair<StringRef, StringRef> ArchSplit = HostTripleString.split('-'); - - // Normalize the arch, since the host triple may not actually match the host. - std::string Arch = ArchSplit.first; - - // It would be nice to do this in terms of llvm::Triple, but that is in - // Support which is layered above us. -#if defined(__x86_64__) - Arch = "x86_64"; -#elif defined(__i386__) - Arch = "i386"; -#elif defined(__ppc64__) - Arch = "powerpc64"; -#elif defined(__ppc__) - Arch = "powerpc"; -#elif defined(__arm__) - - // FIXME: We need to pick the right ARM triple (which involves querying the - // chip). However, for now this is most important for LLVM arch selection, so - // we only need to make sure to distinguish ARM and Thumb. -# if defined(__thumb__) - Arch = "thumb"; -# else - Arch = "arm"; -# endif - -#else - - // FIXME: When enough auto-detection is in place, this should just - // #error. Then at least the arch selection is done, and we only need the OS - // etc selection to kill off the use of LLVM_HOSTTRIPLE. - -#endif - - std::string Triple(Arch); - Triple += '-'; - Triple += ArchSplit.second; - - // Force i<N>86 to i386. - if (Triple[0] == 'i' && isdigit(Triple[1]) && - Triple[2] == '8' && Triple[3] == '6') - Triple[1] = '3'; - - // On darwin, we want to update the version to match that of the - // host. - std::string::size_type DarwinDashIdx = Triple.find("-darwin"); - if (DarwinDashIdx != std::string::npos) { - Triple.resize(DarwinDashIdx + strlen("-darwin")); - - // Only add the major part of the os version. - std::string Version = getOSVersion(); - Triple += Version.substr(0, Version.find('.')); - } - - return Triple; -} diff --git a/llvm/lib/System/Unix/Memory.inc b/llvm/lib/System/Unix/Memory.inc deleted file mode 100644 index 1b038f9c6e0..00000000000 --- a/llvm/lib/System/Unix/Memory.inc +++ /dev/null @@ -1,151 +0,0 @@ -//===- Unix/Memory.cpp - Generic UNIX System Configuration ------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines some functions for various memory management utilities. -// -//===----------------------------------------------------------------------===// - -#include "Unix.h" -#include "llvm/System/DataTypes.h" -#include "llvm/System/Process.h" - -#ifdef HAVE_SYS_MMAN_H -#include <sys/mman.h> -#endif - -#ifdef __APPLE__ -#include <mach/mach.h> -#endif - -/// AllocateRWX - Allocate a slab of memory with read/write/execute -/// permissions. This is typically used for JIT applications where we want -/// to emit code to the memory then jump to it. Getting this type of memory -/// is very OS specific. -/// -llvm::sys::MemoryBlock -llvm::sys::Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock, - std::string *ErrMsg) { - if (NumBytes == 0) return MemoryBlock(); - - size_t pageSize = Process::GetPageSize(); - size_t NumPages = (NumBytes+pageSize-1)/pageSize; - - int fd = -1; -#ifdef NEED_DEV_ZERO_FOR_MMAP - static int zero_fd = open("/dev/zero", O_RDWR); - if (zero_fd == -1) { - MakeErrMsg(ErrMsg, "Can't open /dev/zero device"); - return MemoryBlock(); - } - fd = zero_fd; -#endif - - int flags = MAP_PRIVATE | -#ifdef HAVE_MMAP_ANONYMOUS - MAP_ANONYMOUS -#else - MAP_ANON -#endif - ; - - void* start = NearBlock ? (unsigned char*)NearBlock->base() + - NearBlock->size() : 0; - -#if defined(__APPLE__) && defined(__arm__) - void *pa = ::mmap(start, pageSize*NumPages, PROT_READ|PROT_EXEC, - flags, fd, 0); -#else - void *pa = ::mmap(start, pageSize*NumPages, PROT_READ|PROT_WRITE|PROT_EXEC, - flags, fd, 0); -#endif - if (pa == MAP_FAILED) { - if (NearBlock) //Try again without a near hint - return AllocateRWX(NumBytes, 0); - - MakeErrMsg(ErrMsg, "Can't allocate RWX Memory"); - return MemoryBlock(); - } - -#if defined(__APPLE__) && defined(__arm__) - kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)pa, - (vm_size_t)(pageSize*NumPages), 0, - VM_PROT_READ | VM_PROT_EXECUTE | VM_PROT_COPY); - if (KERN_SUCCESS != kr) { - MakeErrMsg(ErrMsg, "vm_protect max RX failed"); - return sys::MemoryBlock(); - } - - kr = vm_protect(mach_task_self(), (vm_address_t)pa, - (vm_size_t)(pageSize*NumPages), 0, - VM_PROT_READ | VM_PROT_WRITE); - if (KERN_SUCCESS != kr) { - MakeErrMsg(ErrMsg, "vm_protect RW failed"); - return sys::MemoryBlock(); - } -#endif - - MemoryBlock result; - result.Address = pa; - result.Size = NumPages*pageSize; - - return result; -} - -bool llvm::sys::Memory::ReleaseRWX(MemoryBlock &M, std::string *ErrMsg) { - if (M.Address == 0 || M.Size == 0) return false; - if (0 != ::munmap(M.Address, M.Size)) - return MakeErrMsg(ErrMsg, "Can't release RWX Memory"); - return false; -} - -bool llvm::sys::Memory::setWritable (MemoryBlock &M, std::string *ErrMsg) { -#if defined(__APPLE__) && defined(__arm__) - if (M.Address == 0 || M.Size == 0) return false; - sys::Memory::InvalidateInstructionCache(M.Address, M.Size); - kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)M.Address, - (vm_size_t)M.Size, 0, VM_PROT_READ | VM_PROT_WRITE); - return KERN_SUCCESS == kr; -#else - return true; -#endif -} - -bool llvm::sys::Memory::setExecutable (MemoryBlock &M, std::string *ErrMsg) { -#if defined(__APPLE__) && defined(__arm__) - if (M.Address == 0 || M.Size == 0) return false; - sys::Memory::InvalidateInstructionCache(M.Address, M.Size); - kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)M.Address, - (vm_size_t)M.Size, 0, VM_PROT_READ | VM_PROT_EXECUTE | VM_PROT_COPY); - return KERN_SUCCESS == kr; -#else - return false; -#endif -} - -bool llvm::sys::Memory::setRangeWritable(const void *Addr, size_t Size) { -#if defined(__APPLE__) && defined(__arm__) - kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)Addr, - (vm_size_t)Size, 0, - VM_PROT_READ | VM_PROT_WRITE); - return KERN_SUCCESS == kr; -#else - return true; -#endif -} - -bool llvm::sys::Memory::setRangeExecutable(const void *Addr, size_t Size) { -#if defined(__APPLE__) && defined(__arm__) - kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)Addr, - (vm_size_t)Size, 0, - VM_PROT_READ | VM_PROT_EXECUTE | VM_PROT_COPY); - return KERN_SUCCESS == kr; -#else - return true; -#endif -} diff --git a/llvm/lib/System/Unix/Mutex.inc b/llvm/lib/System/Unix/Mutex.inc deleted file mode 100644 index 4a5e28de27b..00000000000 --- a/llvm/lib/System/Unix/Mutex.inc +++ /dev/null @@ -1,43 +0,0 @@ -//===- llvm/System/Unix/Mutex.inc - Unix Mutex Implementation ---*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific (non-pthread) Mutex class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -namespace llvm -{ -using namespace sys; - -MutexImpl::MutexImpl( bool recursive) -{ -} - -MutexImpl::~MutexImpl() -{ -} - -bool -MutexImpl::release() -{ - return true; -} - -bool -MutexImpl::tryacquire( void ) -{ - return true; -} - -} diff --git a/llvm/lib/System/Unix/Path.inc b/llvm/lib/System/Unix/Path.inc deleted file mode 100644 index 5ee3adc4d2d..00000000000 --- a/llvm/lib/System/Unix/Path.inc +++ /dev/null @@ -1,896 +0,0 @@ -//===- llvm/System/Unix/Path.cpp - Unix Path Implementation -----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific portion of the Path class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -#include "Unix.h" -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_FCNTL_H -#include <fcntl.h> -#endif -#ifdef HAVE_SYS_MMAN_H -#include <sys/mman.h> -#endif -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_UTIME_H -#include <utime.h> -#endif -#if HAVE_TIME_H -#include <time.h> -#endif -#if HAVE_DIRENT_H -# include <dirent.h> -# define NAMLEN(dirent) strlen((dirent)->d_name) -#else -# define dirent direct -# define NAMLEN(dirent) (dirent)->d_namlen -# if HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# if HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# if HAVE_NDIR_H -# include <ndir.h> -# endif -#endif - -#if HAVE_DLFCN_H -#include <dlfcn.h> -#endif - -#ifdef __APPLE__ -#include <mach-o/dyld.h> -#endif - -// Put in a hack for Cygwin which falsely reports that the mkdtemp function -// is available when it is not. -#ifdef __CYGWIN__ -# undef HAVE_MKDTEMP -#endif - -namespace { -inline bool lastIsSlash(const std::string& path) { - return !path.empty() && path[path.length() - 1] == '/'; -} - -} - -namespace llvm { -using namespace sys; - -const char sys::PathSeparator = ':'; - -StringRef Path::GetEXESuffix() { - return StringRef(); -} - -Path::Path(StringRef p) - : path(p) {} - -Path::Path(const char *StrStart, unsigned StrLen) - : path(StrStart, StrLen) {} - -Path& -Path::operator=(StringRef that) { - path.assign(that.data(), that.size()); - return *this; -} - -bool -Path::isValid() const { - // Empty paths are considered invalid here. - // This code doesn't check MAXPATHLEN because there's no need. Nothing in - // LLVM manipulates Paths with fixed-sizes arrays, and if the OS can't - // handle names longer than some limit, it'll report this on demand using - // ENAMETOLONG. - return !path.empty(); -} - -bool -Path::isAbsolute(const char *NameStart, unsigned NameLen) { - assert(NameStart); - if (NameLen == 0) - return false; - return NameStart[0] == '/'; -} - -bool -Path::isAbsolute() const { - if (path.empty()) - return false; - return path[0] == '/'; -} - -void Path::makeAbsolute() { - if (isAbsolute()) - return; - - Path CWD = Path::GetCurrentDirectory(); - assert(CWD.isAbsolute() && "GetCurrentDirectory returned relative path!"); - - CWD.appendComponent(path); - - path = CWD.str(); -} - -Path -Path::GetRootDirectory() { - Path result; - result.set("/"); - return result; -} - -Path -Path::GetTemporaryDirectory(std::string *ErrMsg) { -#if defined(HAVE_MKDTEMP) - // The best way is with mkdtemp but that's not available on many systems, - // Linux and FreeBSD have it. Others probably won't. - char pathname[] = "/tmp/llvm_XXXXXX"; - if (0 == mkdtemp(pathname)) { - MakeErrMsg(ErrMsg, - std::string(pathname) + ": can't create temporary directory"); - return Path(); - } - return Path(pathname); -#elif defined(HAVE_MKSTEMP) - // If no mkdtemp is available, mkstemp can be used to create a temporary file - // which is then removed and created as a directory. We prefer this over - // mktemp because of mktemp's inherent security and threading risks. We still - // have a slight race condition from the time the temporary file is created to - // the time it is re-created as a directoy. - char pathname[] = "/tmp/llvm_XXXXXX"; - int fd = 0; - if (-1 == (fd = mkstemp(pathname))) { - MakeErrMsg(ErrMsg, - std::string(pathname) + ": can't create temporary directory"); - return Path(); - } - ::close(fd); - ::unlink(pathname); // start race condition, ignore errors - if (-1 == ::mkdir(pathname, S_IRWXU)) { // end race condition - MakeErrMsg(ErrMsg, - std::string(pathname) + ": can't create temporary directory"); - return Path(); - } - return Path(pathname); -#elif defined(HAVE_MKTEMP) - // If a system doesn't have mkdtemp(3) or mkstemp(3) but it does have - // mktemp(3) then we'll assume that system (e.g. AIX) has a reasonable - // implementation of mktemp(3) and doesn't follow BSD 4.3's lead of replacing - // the XXXXXX with the pid of the process and a letter. That leads to only - // twenty six temporary files that can be generated. - char pathname[] = "/tmp/llvm_XXXXXX"; - char *TmpName = ::mktemp(pathname); - if (TmpName == 0) { - MakeErrMsg(ErrMsg, - std::string(TmpName) + ": can't create unique directory name"); - return Path(); - } - if (-1 == ::mkdir(TmpName, S_IRWXU)) { - MakeErrMsg(ErrMsg, - std::string(TmpName) + ": can't create temporary directory"); - return Path(); - } - return Path(TmpName); -#else - // This is the worst case implementation. tempnam(3) leaks memory unless its - // on an SVID2 (or later) system. On BSD 4.3 it leaks. tmpnam(3) has thread - // issues. The mktemp(3) function doesn't have enough variability in the - // temporary name generated. So, we provide our own implementation that - // increments an integer from a random number seeded by the current time. This - // should be sufficiently unique that we don't have many collisions between - // processes. Generally LLVM processes don't run very long and don't use very - // many temporary files so this shouldn't be a big issue for LLVM. - static time_t num = ::time(0); - char pathname[MAXPATHLEN]; - do { - num++; - sprintf(pathname, "/tmp/llvm_%010u", unsigned(num)); - } while ( 0 == access(pathname, F_OK ) ); - if (-1 == ::mkdir(pathname, S_IRWXU)) { - MakeErrMsg(ErrMsg, - std::string(pathname) + ": can't create temporary directory"); - return Path(); - } - return Path(pathname); -#endif -} - -void -Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) { -#ifdef LTDL_SHLIBPATH_VAR - char* env_var = getenv(LTDL_SHLIBPATH_VAR); - if (env_var != 0) { - getPathList(env_var,Paths); - } -#endif - // FIXME: Should this look at LD_LIBRARY_PATH too? - Paths.push_back(sys::Path("/usr/local/lib/")); - Paths.push_back(sys::Path("/usr/X11R6/lib/")); - Paths.push_back(sys::Path("/usr/lib/")); - Paths.push_back(sys::Path("/lib/")); -} - -void -Path::GetBitcodeLibraryPaths(std::vector<sys::Path>& Paths) { - char * env_var = getenv("LLVM_LIB_SEARCH_PATH"); - if (env_var != 0) { - getPathList(env_var,Paths); - } -#ifdef LLVM_LIBDIR - { - Path tmpPath; - if (tmpPath.set(LLVM_LIBDIR)) - if (tmpPath.canRead()) - Paths.push_back(tmpPath); - } -#endif - GetSystemLibraryPaths(Paths); -} - -Path -Path::GetLLVMDefaultConfigDir() { - return Path("/etc/llvm/"); -} - -Path -Path::GetUserHomeDirectory() { - const char* home = getenv("HOME"); - if (home) { - Path result; - if (result.set(home)) - return result; - } - return GetRootDirectory(); -} - -Path -Path::GetCurrentDirectory() { - char pathname[MAXPATHLEN]; - if (!getcwd(pathname,MAXPATHLEN)) { - assert (false && "Could not query current working directory."); - return Path(); - } - - return Path(pathname); -} - -#if defined(__FreeBSD__) || defined (__NetBSD__) || defined(__minix) -static int -test_dir(char buf[PATH_MAX], char ret[PATH_MAX], - const char *dir, const char *bin) -{ - struct stat sb; - - snprintf(buf, PATH_MAX, "%s/%s", dir, bin); - if (realpath(buf, ret) == NULL) - return (1); - if (stat(buf, &sb) != 0) - return (1); - - return (0); -} - -static char * -getprogpath(char ret[PATH_MAX], const char *bin) -{ - char *pv, *s, *t, buf[PATH_MAX]; - - /* First approach: absolute path. */ - if (bin[0] == '/') { - if (test_dir(buf, ret, "/", bin) == 0) - return (ret); - return (NULL); - } - - /* Second approach: relative path. */ - if (strchr(bin, '/') != NULL) { - if (getcwd(buf, PATH_MAX) == NULL) - return (NULL); - if (test_dir(buf, ret, buf, bin) == 0) - return (ret); - return (NULL); - } - - /* Third approach: $PATH */ - if ((pv = getenv("PATH")) == NULL) - return (NULL); - s = pv = strdup(pv); - if (pv == NULL) - return (NULL); - while ((t = strsep(&s, ":")) != NULL) { - if (test_dir(buf, ret, t, bin) == 0) { - free(pv); - return (ret); - } - } - free(pv); - return (NULL); -} -#endif // __FreeBSD__ || __NetBSD__ - -/// GetMainExecutable - Return the path to the main executable, given the -/// value of argv[0] from program startup. -Path Path::GetMainExecutable(const char *argv0, void *MainAddr) { -#if defined(__APPLE__) - // On OS X the executable path is saved to the stack by dyld. Reading it - // from there is much faster than calling dladdr, especially for large - // binaries with symbols. - char exe_path[MAXPATHLEN]; - uint32_t size = sizeof(exe_path); - if (_NSGetExecutablePath(exe_path, &size) == 0) { - char link_path[MAXPATHLEN]; - if (realpath(exe_path, link_path)) - return Path(link_path); - } -#elif defined(__FreeBSD__) || defined (__NetBSD__) || defined(__minix) - char exe_path[PATH_MAX]; - - if (getprogpath(exe_path, argv0) != NULL) - return Path(exe_path); -#elif defined(__linux__) || defined(__CYGWIN__) - char exe_path[MAXPATHLEN]; - ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path)); - if (len >= 0) - return Path(StringRef(exe_path, len)); -#elif defined(HAVE_DLFCN_H) - // Use dladdr to get executable path if available. - Dl_info DLInfo; - int err = dladdr(MainAddr, &DLInfo); - if (err == 0) - return Path(); - - // If the filename is a symlink, we need to resolve and return the location of - // the actual executable. - char link_path[MAXPATHLEN]; - if (realpath(DLInfo.dli_fname, link_path)) - return Path(link_path); -#else -#error GetMainExecutable is not implemented on this host yet. -#endif - return Path(); -} - - -StringRef Path::getDirname() const { - return getDirnameCharSep(path, "/"); -} - -StringRef -Path::getBasename() const { - // Find the last slash - std::string::size_type slash = path.rfind('/'); - if (slash == std::string::npos) - slash = 0; - else - slash++; - - std::string::size_type dot = path.rfind('.'); - if (dot == std::string::npos || dot < slash) - return StringRef(path).substr(slash); - else - return StringRef(path).substr(slash, dot - slash); -} - -StringRef -Path::getSuffix() const { - // Find the last slash - std::string::size_type slash = path.rfind('/'); - if (slash == std::string::npos) - slash = 0; - else - slash++; - - std::string::size_type dot = path.rfind('.'); - if (dot == std::string::npos || dot < slash) - return StringRef(); - else - return StringRef(path).substr(dot + 1); -} - -bool Path::getMagicNumber(std::string &Magic, unsigned len) const { - assert(len < 1024 && "Request for magic string too long"); - char Buf[1025]; - int fd = ::open(path.c_str(), O_RDONLY); - if (fd < 0) - return false; - ssize_t bytes_read = ::read(fd, Buf, len); - ::close(fd); - if (ssize_t(len) != bytes_read) - return false; - Magic.assign(Buf, len); - return true; -} - -bool -Path::exists() const { - return 0 == access(path.c_str(), F_OK ); -} - -bool -Path::isDirectory() const { - struct stat buf; - if (0 != stat(path.c_str(), &buf)) - return false; - return ((buf.st_mode & S_IFMT) == S_IFDIR) ? true : false; -} - -bool -Path::isSymLink() const { - struct stat buf; - if (0 != lstat(path.c_str(), &buf)) - return false; - return S_ISLNK(buf.st_mode); -} - - -bool -Path::canRead() const { - return 0 == access(path.c_str(), R_OK); -} - -bool -Path::canWrite() const { - return 0 == access(path.c_str(), W_OK); -} - -bool -Path::isRegularFile() const { - // Get the status so we can determine if it's a file or directory - struct stat buf; - - if (0 != stat(path.c_str(), &buf)) - return false; - - if (S_ISREG(buf.st_mode)) - return true; - - return false; -} - -bool -Path::canExecute() const { - if (0 != access(path.c_str(), R_OK | X_OK )) - return false; - struct stat buf; - if (0 != stat(path.c_str(), &buf)) - return false; - if (!S_ISREG(buf.st_mode)) - return false; - return true; -} - -StringRef -Path::getLast() const { - // Find the last slash - size_t pos = path.rfind('/'); - - // Handle the corner cases - if (pos == std::string::npos) - return path; - - // If the last character is a slash - if (pos == path.length()-1) { - // Find the second to last slash - size_t pos2 = path.rfind('/', pos-1); - if (pos2 == std::string::npos) - return StringRef(path).substr(0,pos); - else - return StringRef(path).substr(pos2+1,pos-pos2-1); - } - // Return everything after the last slash - return StringRef(path).substr(pos+1); -} - -const FileStatus * -PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const { - if (!fsIsValid || update) { - struct stat buf; - if (0 != stat(path.c_str(), &buf)) { - MakeErrMsg(ErrStr, path + ": can't get status of file"); - return 0; - } - status.fileSize = buf.st_size; - status.modTime.fromEpochTime(buf.st_mtime); - status.mode = buf.st_mode; - status.user = buf.st_uid; - status.group = buf.st_gid; - status.uniqueID = uint64_t(buf.st_ino); - status.isDir = S_ISDIR(buf.st_mode); - status.isFile = S_ISREG(buf.st_mode); - fsIsValid = true; - } - return &status; -} - -static bool AddPermissionBits(const Path &File, int bits) { - // Get the umask value from the operating system. We want to use it - // when changing the file's permissions. Since calling umask() sets - // the umask and returns its old value, we must call it a second - // time to reset it to the user's preference. - int mask = umask(0777); // The arg. to umask is arbitrary. - umask(mask); // Restore the umask. - - // Get the file's current mode. - struct stat buf; - if (0 != stat(File.c_str(), &buf)) - return false; - // Change the file to have whichever permissions bits from 'bits' - // that the umask would not disable. - if ((chmod(File.c_str(), (buf.st_mode | (bits & ~mask)))) == -1) - return false; - return true; -} - -bool Path::makeReadableOnDisk(std::string* ErrMsg) { - if (!AddPermissionBits(*this, 0444)) - return MakeErrMsg(ErrMsg, path + ": can't make file readable"); - return false; -} - -bool Path::makeWriteableOnDisk(std::string* ErrMsg) { - if (!AddPermissionBits(*this, 0222)) - return MakeErrMsg(ErrMsg, path + ": can't make file writable"); - return false; -} - -bool Path::makeExecutableOnDisk(std::string* ErrMsg) { - if (!AddPermissionBits(*this, 0111)) - return MakeErrMsg(ErrMsg, path + ": can't make file executable"); - return false; -} - -bool -Path::getDirectoryContents(std::set<Path>& result, std::string* ErrMsg) const { - DIR* direntries = ::opendir(path.c_str()); - if (direntries == 0) - return MakeErrMsg(ErrMsg, path + ": can't open directory"); - - std::string dirPath = path; - if (!lastIsSlash(dirPath)) - dirPath += '/'; - - result.clear(); - struct dirent* de = ::readdir(direntries); - for ( ; de != 0; de = ::readdir(direntries)) { - if (de->d_name[0] != '.') { - Path aPath(dirPath + (const char*)de->d_name); - struct stat st; - if (0 != lstat(aPath.path.c_str(), &st)) { - if (S_ISLNK(st.st_mode)) - continue; // dangling symlink -- ignore - return MakeErrMsg(ErrMsg, - aPath.path + ": can't determine file object type"); - } - result.insert(aPath); - } - } - - closedir(direntries); - return false; -} - -bool -Path::set(StringRef a_path) { - if (a_path.empty()) - return false; - path = a_path; - return true; -} - -bool -Path::appendComponent(StringRef name) { - if (name.empty()) - return false; - if (!lastIsSlash(path)) - path += '/'; - path += name; - return true; -} - -bool -Path::eraseComponent() { - size_t slashpos = path.rfind('/',path.size()); - if (slashpos == 0 || slashpos == std::string::npos) { - path.erase(); - return true; - } - if (slashpos == path.size() - 1) - slashpos = path.rfind('/',slashpos-1); - if (slashpos == std::string::npos) { - path.erase(); - return true; - } - path.erase(slashpos); - return true; -} - -bool -Path::eraseSuffix() { - size_t dotpos = path.rfind('.',path.size()); - size_t slashpos = path.rfind('/',path.size()); - if (dotpos != std::string::npos) { - if (slashpos == std::string::npos || dotpos > slashpos+1) { - path.erase(dotpos, path.size()-dotpos); - return true; - } - } - return false; -} - -static bool createDirectoryHelper(char* beg, char* end, bool create_parents) { - - if (access(beg, R_OK | W_OK) == 0) - return false; - - if (create_parents) { - - char* c = end; - - for (; c != beg; --c) - if (*c == '/') { - - // Recurse to handling the parent directory. - *c = '\0'; - bool x = createDirectoryHelper(beg, c, create_parents); - *c = '/'; - - // Return if we encountered an error. - if (x) - return true; - - break; - } - } - - return mkdir(beg, S_IRWXU | S_IRWXG) != 0; -} - -bool -Path::createDirectoryOnDisk( bool create_parents, std::string* ErrMsg ) { - // Get a writeable copy of the path name - std::string pathname(path); - - // Null-terminate the last component - size_t lastchar = path.length() - 1 ; - - if (pathname[lastchar] != '/') - ++lastchar; - - pathname[lastchar] = '\0'; - - if (createDirectoryHelper(&pathname[0], &pathname[lastchar], create_parents)) - return MakeErrMsg(ErrMsg, pathname + ": can't create directory"); - - return false; -} - -bool -Path::createFileOnDisk(std::string* ErrMsg) { - // Create the file - int fd = ::creat(path.c_str(), S_IRUSR | S_IWUSR); - if (fd < 0) - return MakeErrMsg(ErrMsg, path + ": can't create file"); - ::close(fd); - return false; -} - -bool -Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) { - // Make this into a unique file name - if (makeUnique( reuse_current, ErrMsg )) - return true; - - // create the file - int fd = ::open(path.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0666); - if (fd < 0) - return MakeErrMsg(ErrMsg, path + ": can't create temporary file"); - ::close(fd); - return false; -} - -bool -Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const { - // Get the status so we can determine if it's a file or directory. - struct stat buf; - if (0 != stat(path.c_str(), &buf)) { - MakeErrMsg(ErrStr, path + ": can't get status of file"); - return true; - } - - // Note: this check catches strange situations. In all cases, LLVM should - // only be involved in the creation and deletion of regular files. This - // check ensures that what we're trying to erase is a regular file. It - // effectively prevents LLVM from erasing things like /dev/null, any block - // special file, or other things that aren't "regular" files. - if (S_ISREG(buf.st_mode)) { - if (unlink(path.c_str()) != 0) - return MakeErrMsg(ErrStr, path + ": can't destroy file"); - return false; - } - - if (!S_ISDIR(buf.st_mode)) { - if (ErrStr) *ErrStr = "not a file or directory"; - return true; - } - - if (remove_contents) { - // Recursively descend the directory to remove its contents. - std::string cmd = "/bin/rm -rf " + path; - if (system(cmd.c_str()) != 0) { - MakeErrMsg(ErrStr, path + ": failed to recursively remove directory."); - return true; - } - return false; - } - - // Otherwise, try to just remove the one directory. - std::string pathname(path); - size_t lastchar = path.length() - 1; - if (pathname[lastchar] == '/') - pathname[lastchar] = '\0'; - else - pathname[lastchar+1] = '\0'; - - if (rmdir(pathname.c_str()) != 0) - return MakeErrMsg(ErrStr, pathname + ": can't erase directory"); - return false; -} - -bool -Path::renamePathOnDisk(const Path& newName, std::string* ErrMsg) { - if (0 != ::rename(path.c_str(), newName.c_str())) - return MakeErrMsg(ErrMsg, std::string("can't rename '") + path + "' as '" + - newName.str() + "'"); - return false; -} - -bool -Path::setStatusInfoOnDisk(const FileStatus &si, std::string *ErrStr) const { - struct utimbuf utb; - utb.actime = si.modTime.toPosixTime(); - utb.modtime = utb.actime; - if (0 != ::utime(path.c_str(),&utb)) - return MakeErrMsg(ErrStr, path + ": can't set file modification time"); - if (0 != ::chmod(path.c_str(),si.mode)) - return MakeErrMsg(ErrStr, path + ": can't set mode"); - return false; -} - -bool -sys::CopyFile(const sys::Path &Dest, const sys::Path &Src, std::string* ErrMsg){ - int inFile = -1; - int outFile = -1; - inFile = ::open(Src.c_str(), O_RDONLY); - if (inFile == -1) - return MakeErrMsg(ErrMsg, Src.str() + - ": can't open source file to copy"); - - outFile = ::open(Dest.c_str(), O_WRONLY|O_CREAT, 0666); - if (outFile == -1) { - ::close(inFile); - return MakeErrMsg(ErrMsg, Dest.str() + - ": can't create destination file for copy"); - } - - char Buffer[16*1024]; - while (ssize_t Amt = ::read(inFile, Buffer, 16*1024)) { - if (Amt == -1) { - if (errno != EINTR && errno != EAGAIN) { - ::close(inFile); - ::close(outFile); - return MakeErrMsg(ErrMsg, Src.str()+": can't read source file"); - } - } else { - char *BufPtr = Buffer; - while (Amt) { - ssize_t AmtWritten = ::write(outFile, BufPtr, Amt); - if (AmtWritten == -1) { - if (errno != EINTR && errno != EAGAIN) { - ::close(inFile); - ::close(outFile); - return MakeErrMsg(ErrMsg, Dest.str() + - ": can't write destination file"); - } - } else { - Amt -= AmtWritten; - BufPtr += AmtWritten; - } - } - } - } - ::close(inFile); - ::close(outFile); - return false; -} - -bool -Path::makeUnique(bool reuse_current, std::string* ErrMsg) { - if (reuse_current && !exists()) - return false; // File doesn't exist already, just use it! - - // Append an XXXXXX pattern to the end of the file for use with mkstemp, - // mktemp or our own implementation. - // This uses std::vector instead of SmallVector to avoid a dependence on - // libSupport. And performance isn't critical here. - std::vector<char> Buf; - Buf.resize(path.size()+8); - char *FNBuffer = &Buf[0]; - path.copy(FNBuffer,path.size()); - if (isDirectory()) - strcpy(FNBuffer+path.size(), "/XXXXXX"); - else - strcpy(FNBuffer+path.size(), "-XXXXXX"); - -#if defined(HAVE_MKSTEMP) - int TempFD; - if ((TempFD = mkstemp(FNBuffer)) == -1) - return MakeErrMsg(ErrMsg, path + ": can't make unique filename"); - - // We don't need to hold the temp file descriptor... we will trust that no one - // will overwrite/delete the file before we can open it again. - close(TempFD); - - // Save the name - path = FNBuffer; -#elif defined(HAVE_MKTEMP) - // If we don't have mkstemp, use the old and obsolete mktemp function. - if (mktemp(FNBuffer) == 0) - return MakeErrMsg(ErrMsg, path + ": can't make unique filename"); - - // Save the name - path = FNBuffer; -#else - // Okay, looks like we have to do it all by our lonesome. - static unsigned FCounter = 0; - // Try to initialize with unique value. - if (FCounter == 0) FCounter = ((unsigned)getpid() & 0xFFFF) << 8; - char* pos = strstr(FNBuffer, "XXXXXX"); - do { - if (++FCounter > 0xFFFFFF) { - return MakeErrMsg(ErrMsg, - path + ": can't make unique filename: too many files"); - } - sprintf(pos, "%06X", FCounter); - path = FNBuffer; - } while (exists()); - // POSSIBLE SECURITY BUG: An attacker can easily guess the name and exploit - // LLVM. -#endif - return false; -} - -const char *Path::MapInFilePages(int FD, uint64_t FileSize) { - int Flags = MAP_PRIVATE; -#ifdef MAP_FILE - Flags |= MAP_FILE; -#endif - void *BasePtr = ::mmap(0, FileSize, PROT_READ, Flags, FD, 0); - if (BasePtr == MAP_FAILED) - return 0; - return (const char*)BasePtr; -} - -void Path::UnMapFilePages(const char *BasePtr, uint64_t FileSize) { - ::munmap((void*)BasePtr, FileSize); -} - -} // end llvm namespace diff --git a/llvm/lib/System/Unix/Process.inc b/llvm/lib/System/Unix/Process.inc deleted file mode 100644 index cf6a47a31c8..00000000000 --- a/llvm/lib/System/Unix/Process.inc +++ /dev/null @@ -1,295 +0,0 @@ -//===- Unix/Process.cpp - Unix Process Implementation --------- -*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file provides the generic Unix implementation of the Process class. -// -//===----------------------------------------------------------------------===// - -#include "Unix.h" -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#ifdef HAVE_SYS_RESOURCE_H -#include <sys/resource.h> -#endif -// DragonFly BSD has deprecated <malloc.h> for <stdlib.h> instead, -// Unix.h includes this for us already. -#if defined(HAVE_MALLOC_H) && !defined(__DragonFly__) -#include <malloc.h> -#endif -#ifdef HAVE_MALLOC_MALLOC_H -#include <malloc/malloc.h> -#endif -#ifdef HAVE_SYS_IOCTL_H -# include <sys/ioctl.h> -#endif -#ifdef HAVE_TERMIOS_H -# include <termios.h> -#endif - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -using namespace llvm; -using namespace sys; - -unsigned -Process::GetPageSize() -{ -#if defined(__CYGWIN__) - // On Cygwin, getpagesize() returns 64k but the page size for the purposes of - // memory protection and mmap() is 4k. - // See http://www.cygwin.com/ml/cygwin/2009-01/threads.html#00492 - const int page_size = 0x1000; -#elif defined(HAVE_GETPAGESIZE) - const int page_size = ::getpagesize(); -#elif defined(HAVE_SYSCONF) - long page_size = ::sysconf(_SC_PAGE_SIZE); -#else -#warning Cannot get the page size on this machine -#endif - return static_cast<unsigned>(page_size); -} - -size_t Process::GetMallocUsage() { -#if defined(HAVE_MALLINFO) - struct mallinfo mi; - mi = ::mallinfo(); - return mi.uordblks; -#elif defined(HAVE_MALLOC_ZONE_STATISTICS) && defined(HAVE_MALLOC_MALLOC_H) - malloc_statistics_t Stats; - malloc_zone_statistics(malloc_default_zone(), &Stats); - return Stats.size_in_use; // darwin -#elif defined(HAVE_SBRK) - // Note this is only an approximation and more closely resembles - // the value returned by mallinfo in the arena field. - static char *StartOfMemory = reinterpret_cast<char*>(::sbrk(0)); - char *EndOfMemory = (char*)sbrk(0); - if (EndOfMemory != ((char*)-1) && StartOfMemory != ((char*)-1)) - return EndOfMemory - StartOfMemory; - else - return 0; -#else -#warning Cannot get malloc info on this platform - return 0; -#endif -} - -size_t -Process::GetTotalMemoryUsage() -{ -#if defined(HAVE_MALLINFO) - struct mallinfo mi = ::mallinfo(); - return mi.uordblks + mi.hblkhd; -#elif defined(HAVE_MALLOC_ZONE_STATISTICS) && defined(HAVE_MALLOC_MALLOC_H) - malloc_statistics_t Stats; - malloc_zone_statistics(malloc_default_zone(), &Stats); - return Stats.size_allocated; // darwin -#elif defined(HAVE_GETRUSAGE) && !defined(__HAIKU__) - struct rusage usage; - ::getrusage(RUSAGE_SELF, &usage); - return usage.ru_maxrss; -#else -#warning Cannot get total memory size on this platform - return 0; -#endif -} - -void -Process::GetTimeUsage(TimeValue& elapsed, TimeValue& user_time, - TimeValue& sys_time) -{ - elapsed = TimeValue::now(); -#if defined(HAVE_GETRUSAGE) - struct rusage usage; - ::getrusage(RUSAGE_SELF, &usage); - user_time = TimeValue( - static_cast<TimeValue::SecondsType>( usage.ru_utime.tv_sec ), - static_cast<TimeValue::NanoSecondsType>( usage.ru_utime.tv_usec * - TimeValue::NANOSECONDS_PER_MICROSECOND ) ); - sys_time = TimeValue( - static_cast<TimeValue::SecondsType>( usage.ru_stime.tv_sec ), - static_cast<TimeValue::NanoSecondsType>( usage.ru_stime.tv_usec * - TimeValue::NANOSECONDS_PER_MICROSECOND ) ); -#else -#warning Cannot get usage times on this platform - user_time.seconds(0); - user_time.microseconds(0); - sys_time.seconds(0); - sys_time.microseconds(0); -#endif -} - -int Process::GetCurrentUserId() { - return getuid(); -} - -int Process::GetCurrentGroupId() { - return getgid(); -} - -#ifdef HAVE_MACH_MACH_H -#include <mach/mach.h> -#endif - -// Some LLVM programs such as bugpoint produce core files as a normal part of -// their operation. To prevent the disk from filling up, this function -// does what's necessary to prevent their generation. -void Process::PreventCoreFiles() { -#if HAVE_SETRLIMIT - struct rlimit rlim; - rlim.rlim_cur = rlim.rlim_max = 0; - setrlimit(RLIMIT_CORE, &rlim); -#endif - -#ifdef HAVE_MACH_MACH_H - // Disable crash reporting on Mac OS X 10.0-10.4 - - // get information about the original set of exception ports for the task - mach_msg_type_number_t Count = 0; - exception_mask_t OriginalMasks[EXC_TYPES_COUNT]; - exception_port_t OriginalPorts[EXC_TYPES_COUNT]; - exception_behavior_t OriginalBehaviors[EXC_TYPES_COUNT]; - thread_state_flavor_t OriginalFlavors[EXC_TYPES_COUNT]; - kern_return_t err = - task_get_exception_ports(mach_task_self(), EXC_MASK_ALL, OriginalMasks, - &Count, OriginalPorts, OriginalBehaviors, - OriginalFlavors); - if (err == KERN_SUCCESS) { - // replace each with MACH_PORT_NULL. - for (unsigned i = 0; i != Count; ++i) - task_set_exception_ports(mach_task_self(), OriginalMasks[i], - MACH_PORT_NULL, OriginalBehaviors[i], - OriginalFlavors[i]); - } - - // Disable crash reporting on Mac OS X 10.5 - signal(SIGABRT, _exit); - signal(SIGILL, _exit); - signal(SIGFPE, _exit); - signal(SIGSEGV, _exit); - signal(SIGBUS, _exit); -#endif -} - -bool Process::StandardInIsUserInput() { - return FileDescriptorIsDisplayed(STDIN_FILENO); -} - -bool Process::StandardOutIsDisplayed() { - return FileDescriptorIsDisplayed(STDOUT_FILENO); -} - -bool Process::StandardErrIsDisplayed() { - return FileDescriptorIsDisplayed(STDERR_FILENO); -} - -bool Process::FileDescriptorIsDisplayed(int fd) { -#if HAVE_ISATTY - return isatty(fd); -#else - // If we don't have isatty, just return false. - return false; -#endif -} - -static unsigned getColumns(int FileID) { - // If COLUMNS is defined in the environment, wrap to that many columns. - if (const char *ColumnsStr = std::getenv("COLUMNS")) { - int Columns = std::atoi(ColumnsStr); - if (Columns > 0) - return Columns; - } - - unsigned Columns = 0; - -#if defined(HAVE_SYS_IOCTL_H) && defined(HAVE_TERMIOS_H) - // Try to determine the width of the terminal. - struct winsize ws; - if (ioctl(FileID, TIOCGWINSZ, &ws) == 0) - Columns = ws.ws_col; -#endif - - return Columns; -} - -unsigned Process::StandardOutColumns() { - if (!StandardOutIsDisplayed()) - return 0; - - return getColumns(1); -} - -unsigned Process::StandardErrColumns() { - if (!StandardErrIsDisplayed()) - return 0; - - return getColumns(2); -} - -static bool terminalHasColors() { - if (const char *term = std::getenv("TERM")) { - // Most modern terminals support ANSI escape sequences for colors. - // We could check terminfo, or have a list of known terms that support - // colors, but that would be overkill. - // The user can always ask for no colors by setting TERM to dumb, or - // using a commandline flag. - return strcmp(term, "dumb") != 0; - } - return false; -} - -bool Process::StandardOutHasColors() { - if (!StandardOutIsDisplayed()) - return false; - return terminalHasColors(); -} - -bool Process::StandardErrHasColors() { - if (!StandardErrIsDisplayed()) - return false; - return terminalHasColors(); -} - -bool Process::ColorNeedsFlush() { - // No, we use ANSI escape sequences. - return false; -} - -#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m" - -#define ALLCOLORS(FGBG,BOLD) {\ - COLOR(FGBG, "0", BOLD),\ - COLOR(FGBG, "1", BOLD),\ - COLOR(FGBG, "2", BOLD),\ - COLOR(FGBG, "3", BOLD),\ - COLOR(FGBG, "4", BOLD),\ - COLOR(FGBG, "5", BOLD),\ - COLOR(FGBG, "6", BOLD),\ - COLOR(FGBG, "7", BOLD)\ - } - -static const char colorcodes[2][2][8][10] = { - { ALLCOLORS("3",""), ALLCOLORS("3","1;") }, - { ALLCOLORS("4",""), ALLCOLORS("4","1;") } -}; - -const char *Process::OutputColor(char code, bool bold, bool bg) { - return colorcodes[bg?1:0][bold?1:0][code&7]; -} - -const char *Process::OutputBold(bool bg) { - return "\033[1m"; -} - -const char *Process::ResetColor() { - return "\033[0m"; -} diff --git a/llvm/lib/System/Unix/Program.inc b/llvm/lib/System/Unix/Program.inc deleted file mode 100644 index e06f80ba833..00000000000 --- a/llvm/lib/System/Unix/Program.inc +++ /dev/null @@ -1,422 +0,0 @@ -//===- llvm/System/Unix/Program.cpp -----------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific portion of the Program class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -#include <llvm/Config/config.h> -#include "Unix.h" -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_RESOURCE_H -#include <sys/resource.h> -#endif -#if HAVE_SIGNAL_H -#include <signal.h> -#endif -#if HAVE_FCNTL_H -#include <fcntl.h> -#endif -#ifdef HAVE_POSIX_SPAWN -#include <spawn.h> -#if !defined(__APPLE__) - extern char **environ; -#else -#include <crt_externs.h> // _NSGetEnviron -#endif -#endif - -namespace llvm { -using namespace sys; - -Program::Program() : Data_(0) {} - -Program::~Program() {} - -unsigned Program::GetPid() const { - uint64_t pid = reinterpret_cast<uint64_t>(Data_); - return static_cast<unsigned>(pid); -} - -// This function just uses the PATH environment variable to find the program. -Path -Program::FindProgramByName(const std::string& progName) { - - // Check some degenerate cases - if (progName.length() == 0) // no program - return Path(); - Path temp; - if (!temp.set(progName)) // invalid name - return Path(); - // Use the given path verbatim if it contains any slashes; this matches - // the behavior of sh(1) and friends. - if (progName.find('/') != std::string::npos) - return temp; - - // At this point, the file name is valid and does not contain slashes. Search - // for it through the directories specified in the PATH environment variable. - - // Get the path. If its empty, we can't do anything to find it. - const char *PathStr = getenv("PATH"); - if (PathStr == 0) - return Path(); - - // Now we have a colon separated list of directories to search; try them. - size_t PathLen = strlen(PathStr); - while (PathLen) { - // Find the first colon... - const char *Colon = std::find(PathStr, PathStr+PathLen, ':'); - - // Check to see if this first directory contains the executable... - Path FilePath; - if (FilePath.set(std::string(PathStr,Colon))) { - FilePath.appendComponent(progName); - if (FilePath.canExecute()) - return FilePath; // Found the executable! - } - - // Nope it wasn't in this directory, check the next path in the list! - PathLen -= Colon-PathStr; - PathStr = Colon; - - // Advance past duplicate colons - while (*PathStr == ':') { - PathStr++; - PathLen--; - } - } - return Path(); -} - -static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) { - if (Path == 0) // Noop - return false; - const char *File; - if (Path->isEmpty()) - // Redirect empty paths to /dev/null - File = "/dev/null"; - else - File = Path->c_str(); - - // Open the file - int InFD = open(File, FD == 0 ? O_RDONLY : O_WRONLY|O_CREAT, 0666); - if (InFD == -1) { - MakeErrMsg(ErrMsg, "Cannot open file '" + std::string(File) + "' for " - + (FD == 0 ? "input" : "output")); - return true; - } - - // Install it as the requested FD - if (dup2(InFD, FD) == -1) { - MakeErrMsg(ErrMsg, "Cannot dup2"); - close(InFD); - return true; - } - close(InFD); // Close the original FD - return false; -} - -#ifdef HAVE_POSIX_SPAWN -static bool RedirectIO_PS(const Path *Path, int FD, std::string *ErrMsg, - posix_spawn_file_actions_t &FileActions) { - if (Path == 0) // Noop - return false; - const char *File; - if (Path->isEmpty()) - // Redirect empty paths to /dev/null - File = "/dev/null"; - else - File = Path->c_str(); - - if (int Err = posix_spawn_file_actions_addopen(&FileActions, FD, - File, FD == 0 ? O_RDONLY : O_WRONLY|O_CREAT, 0666)) - return MakeErrMsg(ErrMsg, "Cannot dup2", Err); - return false; -} -#endif - -static void TimeOutHandler(int Sig) { -} - -static void SetMemoryLimits (unsigned size) -{ -#if HAVE_SYS_RESOURCE_H && HAVE_GETRLIMIT && HAVE_SETRLIMIT - struct rlimit r; - __typeof__ (r.rlim_cur) limit = (__typeof__ (r.rlim_cur)) (size) * 1048576; - - // Heap size - getrlimit (RLIMIT_DATA, &r); - r.rlim_cur = limit; - setrlimit (RLIMIT_DATA, &r); -#ifdef RLIMIT_RSS - // Resident set size. - getrlimit (RLIMIT_RSS, &r); - r.rlim_cur = limit; - setrlimit (RLIMIT_RSS, &r); -#endif -#ifdef RLIMIT_AS // e.g. NetBSD doesn't have it. - // Virtual memory. - getrlimit (RLIMIT_AS, &r); - r.rlim_cur = limit; - setrlimit (RLIMIT_AS, &r); -#endif -#endif -} - -bool -Program::Execute(const Path &path, const char **args, const char **envp, - const Path **redirects, unsigned memoryLimit, - std::string *ErrMsg) { - // If this OS has posix_spawn and there is no memory limit being implied, use - // posix_spawn. It is more efficient than fork/exec. -#ifdef HAVE_POSIX_SPAWN - if (memoryLimit == 0) { - posix_spawn_file_actions_t FileActions; - posix_spawn_file_actions_init(&FileActions); - - if (redirects) { - // Redirect stdin/stdout. - if (RedirectIO_PS(redirects[0], 0, ErrMsg, FileActions) || - RedirectIO_PS(redirects[1], 1, ErrMsg, FileActions)) - return false; - if (redirects[1] == 0 || redirects[2] == 0 || - *redirects[1] != *redirects[2]) { - // Just redirect stderr - if (RedirectIO_PS(redirects[2], 2, ErrMsg, FileActions)) return false; - } else { - // If stdout and stderr should go to the same place, redirect stderr - // to the FD already open for stdout. - if (int Err = posix_spawn_file_actions_adddup2(&FileActions, 1, 2)) - return !MakeErrMsg(ErrMsg, "Can't redirect stderr to stdout", Err); - } - } - - if (!envp) -#if !defined(__APPLE__) - envp = const_cast<const char **>(environ); -#else - // environ is missing in dylibs. - envp = const_cast<const char **>(*_NSGetEnviron()); -#endif - - // Explicitly initialized to prevent what appears to be a valgrind false - // positive. - pid_t PID = 0; - int Err = posix_spawn(&PID, path.c_str(), &FileActions, /*attrp*/0, - const_cast<char **>(args), const_cast<char **>(envp)); - - posix_spawn_file_actions_destroy(&FileActions); - - if (Err) - return !MakeErrMsg(ErrMsg, "posix_spawn failed", Err); - - Data_ = reinterpret_cast<void*>(PID); - return true; - } -#endif - - // Create a child process. - int child = fork(); - switch (child) { - // An error occured: Return to the caller. - case -1: - MakeErrMsg(ErrMsg, "Couldn't fork"); - return false; - - // Child process: Execute the program. - case 0: { - // Redirect file descriptors... - if (redirects) { - // Redirect stdin - if (RedirectIO(redirects[0], 0, ErrMsg)) { return false; } - // Redirect stdout - if (RedirectIO(redirects[1], 1, ErrMsg)) { return false; } - if (redirects[1] && redirects[2] && - *(redirects[1]) == *(redirects[2])) { - // If stdout and stderr should go to the same place, redirect stderr - // to the FD already open for stdout. - if (-1 == dup2(1,2)) { - MakeErrMsg(ErrMsg, "Can't redirect stderr to stdout"); - return false; - } - } else { - // Just redirect stderr - if (RedirectIO(redirects[2], 2, ErrMsg)) { return false; } - } - } - - // Set memory limits - if (memoryLimit!=0) { - SetMemoryLimits(memoryLimit); - } - - // Execute! - if (envp != 0) - execve(path.c_str(), - const_cast<char **>(args), - const_cast<char **>(envp)); - else - execv(path.c_str(), - const_cast<char **>(args)); - // If the execve() failed, we should exit. Follow Unix protocol and - // return 127 if the executable was not found, and 126 otherwise. - // Use _exit rather than exit so that atexit functions and static - // object destructors cloned from the parent process aren't - // redundantly run, and so that any data buffered in stdio buffers - // cloned from the parent aren't redundantly written out. - _exit(errno == ENOENT ? 127 : 126); - } - - // Parent process: Break out of the switch to do our processing. - default: - break; - } - - Data_ = reinterpret_cast<void*>(child); - - return true; -} - -int -Program::Wait(const sys::Path &path, - unsigned secondsToWait, - std::string* ErrMsg) -{ -#ifdef HAVE_SYS_WAIT_H - struct sigaction Act, Old; - - if (Data_ == 0) { - MakeErrMsg(ErrMsg, "Process not started!"); - return -1; - } - - // Install a timeout handler. The handler itself does nothing, but the simple - // fact of having a handler at all causes the wait below to return with EINTR, - // unlike if we used SIG_IGN. - if (secondsToWait) { - memset(&Act, 0, sizeof(Act)); - Act.sa_handler = TimeOutHandler; - sigemptyset(&Act.sa_mask); - sigaction(SIGALRM, &Act, &Old); - alarm(secondsToWait); - } - - // Parent process: Wait for the child process to terminate. - int status; - uint64_t pid = reinterpret_cast<uint64_t>(Data_); - pid_t child = static_cast<pid_t>(pid); - while (waitpid(pid, &status, 0) != child) - if (secondsToWait && errno == EINTR) { - // Kill the child. - kill(child, SIGKILL); - - // Turn off the alarm and restore the signal handler - alarm(0); - sigaction(SIGALRM, &Old, 0); - - // Wait for child to die - if (wait(&status) != child) - MakeErrMsg(ErrMsg, "Child timed out but wouldn't die"); - else - MakeErrMsg(ErrMsg, "Child timed out", 0); - - return -1; // Timeout detected - } else if (errno != EINTR) { - MakeErrMsg(ErrMsg, "Error waiting for child process"); - return -1; - } - - // We exited normally without timeout, so turn off the timer. - if (secondsToWait) { - alarm(0); - sigaction(SIGALRM, &Old, 0); - } - - // Return the proper exit status. Detect error conditions - // so we can return -1 for them and set ErrMsg informatively. - int result = 0; - if (WIFEXITED(status)) { - result = WEXITSTATUS(status); -#ifdef HAVE_POSIX_SPAWN - // The posix_spawn child process returns 127 on any kind of error. - // Following the POSIX convention for command-line tools (which posix_spawn - // itself apparently does not), check to see if the failure was due to some - // reason other than the file not existing, and return 126 in this case. - if (result == 127 && path.exists()) - result = 126; -#endif - if (result == 127) { - if (ErrMsg) - *ErrMsg = llvm::sys::StrError(ENOENT); - return -1; - } - if (result == 126) { - if (ErrMsg) - *ErrMsg = "Program could not be executed"; - return -1; - } - } else if (WIFSIGNALED(status)) { - if (ErrMsg) { - *ErrMsg = strsignal(WTERMSIG(status)); -#ifdef WCOREDUMP - if (WCOREDUMP(status)) - *ErrMsg += " (core dumped)"; -#endif - } - return -1; - } - return result; -#else - if (ErrMsg) - *ErrMsg = "Program::Wait is not implemented on this platform yet!"; - return -1; -#endif -} - -bool -Program::Kill(std::string* ErrMsg) { - if (Data_ == 0) { - MakeErrMsg(ErrMsg, "Process not started!"); - return true; - } - - uint64_t pid64 = reinterpret_cast<uint64_t>(Data_); - pid_t pid = static_cast<pid_t>(pid64); - - if (kill(pid, SIGKILL) != 0) { - MakeErrMsg(ErrMsg, "The process couldn't be killed!"); - return true; - } - - return false; -} - -bool Program::ChangeStdinToBinary(){ - // Do nothing, as Unix doesn't differentiate between text and binary. - return false; -} - -bool Program::ChangeStdoutToBinary(){ - // Do nothing, as Unix doesn't differentiate between text and binary. - return false; -} - -bool Program::ChangeStderrToBinary(){ - // Do nothing, as Unix doesn't differentiate between text and binary. - return false; -} - -} diff --git a/llvm/lib/System/Unix/README.txt b/llvm/lib/System/Unix/README.txt deleted file mode 100644 index b3bace483e5..00000000000 --- a/llvm/lib/System/Unix/README.txt +++ /dev/null @@ -1,16 +0,0 @@ -llvm/lib/System/Unix README -=========================== - -This directory provides implementations of the lib/System classes that -are common to two or more variants of UNIX. For example, the directory -structure underneath this directory could look like this: - -Unix - only code that is truly generic to all UNIX platforms - Posix - code that is specific to Posix variants of UNIX - SUS - code that is specific to the Single Unix Specification - SysV - code that is specific to System V variants of UNIX - -As a rule, only those directories actually needing to be created should be -created. Also, further subdirectories could be created to reflect versions of -the various standards. For example, under SUS there could be v1, v2, and v3 -subdirectories to reflect the three major versions of SUS. diff --git a/llvm/lib/System/Unix/RWMutex.inc b/llvm/lib/System/Unix/RWMutex.inc deleted file mode 100644 index e83d41ef4cf..00000000000 --- a/llvm/lib/System/Unix/RWMutex.inc +++ /dev/null @@ -1,43 +0,0 @@ -//= llvm/System/Unix/RWMutex.inc - Unix Reader/Writer Mutual Exclusion Lock =// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific (non-pthread) RWMutex class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -namespace llvm { - -using namespace sys; - -RWMutexImpl::RWMutexImpl() { } - -RWMutexImpl::~RWMutexImpl() { } - -bool RWMutexImpl::reader_acquire() { - return true; -} - -bool RWMutexImpl::reader_release() { - return true; -} - -bool RWMutexImpl::writer_acquire() { - return true; -} - -bool RWMutexImpl::writer_release() { - return true; -} - -} diff --git a/llvm/lib/System/Unix/Signals.inc b/llvm/lib/System/Unix/Signals.inc deleted file mode 100644 index 997d4781d86..00000000000 --- a/llvm/lib/System/Unix/Signals.inc +++ /dev/null @@ -1,303 +0,0 @@ -//===- Signals.cpp - Generic Unix Signals Implementation -----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines some helpful functions for dealing with the possibility of -// Unix signals occuring while your program is running. -// -//===----------------------------------------------------------------------===// - -#include "Unix.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/System/Mutex.h" -#include <vector> -#include <algorithm> -#if HAVE_EXECINFO_H -# include <execinfo.h> // For backtrace(). -#endif -#if HAVE_SIGNAL_H -#include <signal.h> -#endif -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_DLFCN_H && __GNUG__ -#include <dlfcn.h> -#include <cxxabi.h> -#endif -using namespace llvm; - -static RETSIGTYPE SignalHandler(int Sig); // defined below. - -static SmartMutex<true> SignalsMutex; - -/// InterruptFunction - The function to call if ctrl-c is pressed. -static void (*InterruptFunction)() = 0; - -static std::vector<sys::Path> FilesToRemove; -static std::vector<std::pair<void(*)(void*), void*> > CallBacksToRun; - -// IntSigs - Signals that may interrupt the program at any time. -static const int IntSigs[] = { - SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGTERM, SIGUSR1, SIGUSR2 -}; -static const int *const IntSigsEnd = - IntSigs + sizeof(IntSigs) / sizeof(IntSigs[0]); - -// KillSigs - Signals that are synchronous with the program that will cause it -// to die. -static const int KillSigs[] = { - SIGILL, SIGTRAP, SIGABRT, SIGFPE, SIGBUS, SIGSEGV -#ifdef SIGSYS - , SIGSYS -#endif -#ifdef SIGXCPU - , SIGXCPU -#endif -#ifdef SIGXFSZ - , SIGXFSZ -#endif -#ifdef SIGEMT - , SIGEMT -#endif -}; -static const int *const KillSigsEnd = - KillSigs + sizeof(KillSigs) / sizeof(KillSigs[0]); - -static unsigned NumRegisteredSignals = 0; -static struct { - struct sigaction SA; - int SigNo; -} RegisteredSignalInfo[(sizeof(IntSigs)+sizeof(KillSigs))/sizeof(KillSigs[0])]; - - -static void RegisterHandler(int Signal) { - assert(NumRegisteredSignals < - sizeof(RegisteredSignalInfo)/sizeof(RegisteredSignalInfo[0]) && - "Out of space for signal handlers!"); - - struct sigaction NewHandler; - - NewHandler.sa_handler = SignalHandler; - NewHandler.sa_flags = SA_NODEFER|SA_RESETHAND; - sigemptyset(&NewHandler.sa_mask); - - // Install the new handler, save the old one in RegisteredSignalInfo. - sigaction(Signal, &NewHandler, - &RegisteredSignalInfo[NumRegisteredSignals].SA); - RegisteredSignalInfo[NumRegisteredSignals].SigNo = Signal; - ++NumRegisteredSignals; -} - -static void RegisterHandlers() { - // If the handlers are already registered, we're done. - if (NumRegisteredSignals != 0) return; - - std::for_each(IntSigs, IntSigsEnd, RegisterHandler); - std::for_each(KillSigs, KillSigsEnd, RegisterHandler); -} - -static void UnregisterHandlers() { - // Restore all of the signal handlers to how they were before we showed up. - for (unsigned i = 0, e = NumRegisteredSignals; i != e; ++i) - sigaction(RegisteredSignalInfo[i].SigNo, - &RegisteredSignalInfo[i].SA, 0); - NumRegisteredSignals = 0; -} - - -/// RemoveFilesToRemove - Process the FilesToRemove list. This function -/// should be called with the SignalsMutex lock held. -static void RemoveFilesToRemove() { - while (!FilesToRemove.empty()) { - FilesToRemove.back().eraseFromDisk(true); - FilesToRemove.pop_back(); - } -} - -// SignalHandler - The signal handler that runs. -static RETSIGTYPE SignalHandler(int Sig) { - // Restore the signal behavior to default, so that the program actually - // crashes when we return and the signal reissues. This also ensures that if - // we crash in our signal handler that the program will terminate immediately - // instead of recursing in the signal handler. - UnregisterHandlers(); - - // Unmask all potentially blocked kill signals. - sigset_t SigMask; - sigfillset(&SigMask); - sigprocmask(SIG_UNBLOCK, &SigMask, 0); - - SignalsMutex.acquire(); - RemoveFilesToRemove(); - - if (std::find(IntSigs, IntSigsEnd, Sig) != IntSigsEnd) { - if (InterruptFunction) { - void (*IF)() = InterruptFunction; - SignalsMutex.release(); - InterruptFunction = 0; - IF(); // run the interrupt function. - return; - } - - SignalsMutex.release(); - raise(Sig); // Execute the default handler. - return; - } - - SignalsMutex.release(); - - // Otherwise if it is a fault (like SEGV) run any handler. - for (unsigned i = 0, e = CallBacksToRun.size(); i != e; ++i) - CallBacksToRun[i].first(CallBacksToRun[i].second); -} - -void llvm::sys::RunInterruptHandlers() { - SignalsMutex.acquire(); - RemoveFilesToRemove(); - SignalsMutex.release(); -} - -void llvm::sys::SetInterruptFunction(void (*IF)()) { - SignalsMutex.acquire(); - InterruptFunction = IF; - SignalsMutex.release(); - RegisterHandlers(); -} - -// RemoveFileOnSignal - The public API -bool llvm::sys::RemoveFileOnSignal(const sys::Path &Filename, - std::string* ErrMsg) { - SignalsMutex.acquire(); - FilesToRemove.push_back(Filename); - - SignalsMutex.release(); - - RegisterHandlers(); - return false; -} - -// DontRemoveFileOnSignal - The public API -void llvm::sys::DontRemoveFileOnSignal(const sys::Path &Filename) { - SignalsMutex.acquire(); - std::vector<sys::Path>::reverse_iterator I = - std::find(FilesToRemove.rbegin(), FilesToRemove.rend(), Filename); - if (I != FilesToRemove.rend()) - FilesToRemove.erase(I.base()-1); - SignalsMutex.release(); -} - -/// AddSignalHandler - Add a function to be called when a signal is delivered -/// to the process. The handler can have a cookie passed to it to identify -/// what instance of the handler it is. -void llvm::sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) { - CallBacksToRun.push_back(std::make_pair(FnPtr, Cookie)); - RegisterHandlers(); -} - - -// PrintStackTrace - In the case of a program crash or fault, print out a stack -// trace so that the user has an indication of why and where we died. -// -// On glibc systems we have the 'backtrace' function, which works nicely, but -// doesn't demangle symbols. -static void PrintStackTrace(void *) { -#ifdef HAVE_BACKTRACE - static void* StackTrace[256]; - // Use backtrace() to output a backtrace on Linux systems with glibc. - int depth = backtrace(StackTrace, - static_cast<int>(array_lengthof(StackTrace))); -#if HAVE_DLFCN_H && __GNUG__ - int width = 0; - for (int i = 0; i < depth; ++i) { - Dl_info dlinfo; - dladdr(StackTrace[i], &dlinfo); - const char* name = strrchr(dlinfo.dli_fname, '/'); - - int nwidth; - if (name == NULL) nwidth = strlen(dlinfo.dli_fname); - else nwidth = strlen(name) - 1; - - if (nwidth > width) width = nwidth; - } - - for (int i = 0; i < depth; ++i) { - Dl_info dlinfo; - dladdr(StackTrace[i], &dlinfo); - - fprintf(stderr, "%-2d", i); - - const char* name = strrchr(dlinfo.dli_fname, '/'); - if (name == NULL) fprintf(stderr, " %-*s", width, dlinfo.dli_fname); - else fprintf(stderr, " %-*s", width, name+1); - - fprintf(stderr, " %#0*lx", - (int)(sizeof(void*) * 2) + 2, (unsigned long)StackTrace[i]); - - if (dlinfo.dli_sname != NULL) { - int res; - fputc(' ', stderr); - char* d = abi::__cxa_demangle(dlinfo.dli_sname, NULL, NULL, &res); - if (d == NULL) fputs(dlinfo.dli_sname, stderr); - else fputs(d, stderr); - free(d); - - fprintf(stderr, " + %tu",(char*)StackTrace[i]-(char*)dlinfo.dli_saddr); - } - fputc('\n', stderr); - } -#else - backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO); -#endif -#endif -} - -/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or -/// SIGSEGV) is delivered to the process, print a stack trace and then exit. -void llvm::sys::PrintStackTraceOnErrorSignal() { - AddSignalHandler(PrintStackTrace, 0); -} - - -/***/ - -// On Darwin, raise sends a signal to the main thread instead of the current -// thread. This has the unfortunate effect that assert() and abort() will end up -// bypassing our crash recovery attempts. We work around this for anything in -// the same linkage unit by just defining our own versions of the assert handler -// and abort. - -#ifdef __APPLE__ - -int raise(int sig) { - return pthread_kill(pthread_self(), sig); -} - -void __assert_rtn(const char *func, - const char *file, - int line, - const char *expr) { - if (func) - fprintf(stderr, "Assertion failed: (%s), function %s, file %s, line %d.\n", - expr, func, file, line); - else - fprintf(stderr, "Assertion failed: (%s), file %s, line %d.\n", - expr, file, line); - abort(); -} - -#include <signal.h> -#include <pthread.h> - -void abort() { - raise(SIGABRT); - usleep(1000); - __builtin_trap(); -} - -#endif diff --git a/llvm/lib/System/Unix/ThreadLocal.inc b/llvm/lib/System/Unix/ThreadLocal.inc deleted file mode 100644 index 6769520a6fb..00000000000 --- a/llvm/lib/System/Unix/ThreadLocal.inc +++ /dev/null @@ -1,26 +0,0 @@ -//=== llvm/System/Unix/ThreadLocal.inc - Unix Thread Local Data -*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific (non-pthread) ThreadLocal class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -namespace llvm { -using namespace sys; -ThreadLocalImpl::ThreadLocalImpl() { } -ThreadLocalImpl::~ThreadLocalImpl() { } -void ThreadLocalImpl::setInstance(const void* d) { data = const_cast<void*>(d);} -const void* ThreadLocalImpl::getInstance() { return data; } -void ThreadLocalImpl::removeInstance() { setInstance(0); } -} diff --git a/llvm/lib/System/Unix/TimeValue.inc b/llvm/lib/System/Unix/TimeValue.inc deleted file mode 100644 index d8cc8f55eec..00000000000 --- a/llvm/lib/System/Unix/TimeValue.inc +++ /dev/null @@ -1,56 +0,0 @@ -//===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific portion of the TimeValue class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -#include "Unix.h" - -namespace llvm { - using namespace sys; - -std::string TimeValue::str() const { - char buffer[32]; - - time_t ourTime = time_t(this->toEpochTime()); -#ifdef __hpux -// note that the following line needs -D_REENTRANT on HP-UX to be picked up - asctime_r(localtime(&ourTime), buffer); -#else - ::asctime_r(::localtime(&ourTime), buffer); -#endif - - std::string result(buffer); - return result.substr(0,24); -} - -TimeValue TimeValue::now() { - struct timeval the_time; - timerclear(&the_time); - if (0 != ::gettimeofday(&the_time,0)) { - // This is *really* unlikely to occur because the only gettimeofday - // errors concern the timezone parameter which we're passing in as 0. - // In the unlikely case it does happen, just return MinTime, no error - // message needed. - return MinTime; - } - - return TimeValue( - static_cast<TimeValue::SecondsType>( the_time.tv_sec + PosixZeroTime.seconds_ ), - static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * - NANOSECONDS_PER_MICROSECOND ) ); -} - -} diff --git a/llvm/lib/System/Unix/Unix.h b/llvm/lib/System/Unix/Unix.h deleted file mode 100644 index c15866f3d90..00000000000 --- a/llvm/lib/System/Unix/Unix.h +++ /dev/null @@ -1,87 +0,0 @@ -//===- llvm/System/Unix/Unix.h - Common Unix Include File -------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines things specific to Unix implementations. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SYSTEM_UNIX_UNIX_H -#define LLVM_SYSTEM_UNIX_UNIX_H - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on all UNIX variants. -//===----------------------------------------------------------------------===// - -#include "llvm/Config/config.h" // Get autoconf configuration settings -#include "llvm/System/Errno.h" -#include <cstdlib> -#include <cstdio> -#include <cstring> -#include <cerrno> -#include <string> -#include <algorithm> - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#ifdef HAVE_SYS_PARAM_H -#include <sys/param.h> -#endif - -#ifdef HAVE_ASSERT_H -#include <assert.h> -#endif - -#ifdef TIME_WITH_SYS_TIME -# include <sys/time.h> -# include <time.h> -#else -# ifdef HAVE_SYS_TIME_H -# include <sys/time.h> -# else -# include <time.h> -# endif -#endif - -#ifdef HAVE_SYS_WAIT_H -# include <sys/wait.h> -#endif - -#ifndef WEXITSTATUS -# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) -#endif - -#ifndef WIFEXITED -# define WIFEXITED(stat_val) (((stat_val) & 255) == 0) -#endif - -/// This function builds an error message into \p ErrMsg using the \p prefix -/// string and the Unix error number given by \p errnum. If errnum is -1, the -/// default then the value of errno is used. -/// @brief Make an error message -/// -/// If the error number can be converted to a string, it will be -/// separated from prefix by ": ". -static inline bool MakeErrMsg( - std::string* ErrMsg, const std::string& prefix, int errnum = -1) { - if (!ErrMsg) - return true; - if (errnum == -1) - errnum = errno; - *ErrMsg = prefix + ": " + llvm::sys::StrError(errnum); - return true; -} - -#endif diff --git a/llvm/lib/System/Unix/system_error.inc b/llvm/lib/System/Unix/system_error.inc deleted file mode 100644 index a382214877f..00000000000 --- a/llvm/lib/System/Unix/system_error.inc +++ /dev/null @@ -1,34 +0,0 @@ -//===- llvm/System/Unix/system_error.inc - Unix error_code ------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file provides the Unix specific implementation of the error_code -// and error_condition classes. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -using namespace llvm; - -std::string -_system_error_category::message(int ev) const { - return _do_message::message(ev); -} - -error_condition -_system_error_category::default_error_condition(int ev) const { -#ifdef ELAST - if (ev > ELAST) - return error_condition(ev, system_category()); -#endif // ELAST - return error_condition(ev, generic_category()); -} |
