[libFuzzer] Delete llvm/lib/Fuzzer

Summary: Code is already in compiler-rt

Reviewers: kcc

Subscribers: krytarowski, llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D38912

llvm-svn: 315937

1 files changed, 0 insertions, 103 deletions

diff --git a/llvm/lib/Fuzzer/FuzzerShmemPosix.cpp b/llvm/lib/Fuzzer/FuzzerShmemPosix.cpp
deleted file mode 100644
index 50cdcfb509d..00000000000
--- a/llvm/lib/Fuzzer/FuzzerShmemPosix.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-//===- FuzzerShmemPosix.cpp - Posix shared memory ---------------*- C++ -* ===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// SharedMemoryRegion
-//===----------------------------------------------------------------------===//
-#include "FuzzerDefs.h"
-#if LIBFUZZER_POSIX
-
-#include "FuzzerIO.h"
-#include "FuzzerShmem.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <semaphore.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-namespace fuzzer {
-
-std::string SharedMemoryRegion::Path(const char *Name) {
-  return DirPlusFile(TmpDir(), Name);
-}
-
-std::string SharedMemoryRegion::SemName(const char *Name, int Idx) {
-  std::string Res(Name);
-  return Res + (char)('0' + Idx);
-}
-
-bool SharedMemoryRegion::Map(int fd) {
-  Data =
-      (uint8_t *)mmap(0, kShmemSize, PROT_WRITE | PROT_READ, MAP_SHARED, fd, 0);
-  if (Data == (uint8_t*)-1)
-    return false;
-  return true;
-}
-
-bool SharedMemoryRegion::Create(const char *Name) {
-  int fd = open(Path(Name).c_str(), O_CREAT | O_RDWR, 0777);
-  if (fd < 0) return false;
-  if (ftruncate(fd, kShmemSize) < 0) return false;
-  if (!Map(fd))
-    return false;
-  for (int i = 0; i < 2; i++) {
-    sem_unlink(SemName(Name, i).c_str());
-    Semaphore[i] = sem_open(SemName(Name, i).c_str(), O_CREAT, 0644, 0);
-    if (Semaphore[i] == (void *)-1)
-      return false;
-  }
-  IAmServer = true;
-  return true;
-}
-
-bool SharedMemoryRegion::Open(const char *Name) {
-  int fd = open(Path(Name).c_str(), O_RDWR);
-  if (fd < 0) return false;
-  struct stat stat_res;
-  if (0 != fstat(fd, &stat_res))
-    return false;
-  assert(stat_res.st_size == kShmemSize);
-  if (!Map(fd))
-    return false;
-  for (int i = 0; i < 2; i++) {
-    Semaphore[i] = sem_open(SemName(Name, i).c_str(), 0);
-    if (Semaphore[i] == (void *)-1)
-      return false;
-  }
-  IAmServer = false;
-  return true;
-}
-
-bool SharedMemoryRegion::Destroy(const char *Name) {
-  return 0 == unlink(Path(Name).c_str());
-}
-
-void SharedMemoryRegion::Post(int Idx) {
-  assert(Idx == 0 || Idx == 1);
-  sem_post((sem_t*)Semaphore[Idx]);
-}
-
-void SharedMemoryRegion::Wait(int Idx) {
-  assert(Idx == 0 || Idx == 1);
-  for (int i = 0; i < 10 && sem_wait((sem_t*)Semaphore[Idx]); i++) {
-    // sem_wait may fail if interrupted by a signal.
-    sleep(i);
-    if (i)
-      Printf("%s: sem_wait[%d] failed %s\n", i < 9 ? "WARNING" : "ERROR", i,
-             strerror(errno));
-    if (i == 9) abort();
-  }
-}
-
-}  // namespace fuzzer
-
-#endif  // LIBFUZZER_POSIX