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* Add AIX support to Path.inc, Host.h, and CMake.Chandler Carruth2016-07-191-2/+3
| | | | | | | | Patch by Andrew Paprocki! Differential Revision: https://reviews.llvm.org/D18359 llvm-svn: 276045
* Use posix_fallocate instead of ftruncate.Rafael Espindola2016-07-191-0/+9
| | | | | | | | | | | This makes sure that space is actually available. With this change running lld on a full file system causes it to exit with failed to open foo: No space left on device instead of crashing with a sigbus. llvm-svn: 276017
* In openFileForRead, attempt to fetch the actual name of the file on disk -- ↵Taewook Oh2016-06-131-1/+86
| | | | | | | | | | | | | including case -- so that clang can later warn about non-portable #include and #import directives. Differential Revision: http://reviews.llvm.org/D19842 Corresponding clang patch: http://reviews.llvm.org/D19843 Re-commit after addressing issues with of generating too many warnings for Windows and asan test failures Patch by Eric Niebler llvm-svn: 272555
* Revert commit r271704, a patch that enables warnings for non-portable ↵Taewook Oh2016-06-041-86/+1
| | | | | | #include and #import paths (Corresponding clang patch has been reverted by r271761). Patches are reverted because they generate lots of unadressable warnings for windows and fail tests under ASAN. llvm-svn: 271764
* In openFileForRead, attempt to fetch the actual name of the file on disk -- ↵Taewook Oh2016-06-031-1/+86
| | | | | | | | | | including case -- so that clang can later warn about non-portable #include and #import directives. Differential Revision: http://reviews.llvm.org/D19842 Patch by Eric Niebler llvm-svn: 271704
* Fix missing include on OpenBSDMehdi Amini2016-04-081-0/+1
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265803
* Revert "Fix Clang-tidy modernize-deprecated-headers warnings in remaining ↵Duncan P. N. Exon Smith2016-04-051-30/+11
| | | | | | | | | | files; other minor fixes." This reverts commit r265454 since it broke the build. E.g.: http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/22413/ llvm-svn: 265459
* Fix Clang-tidy modernize-deprecated-headers warnings in remaining files; ↵Eugene Zelenko2016-04-051-11/+30
| | | | | | | | | | | | other minor fixes. Some Include What You Use suggestions were used too. Use anonymous namespaces in source files. Differential revision: http://reviews.llvm.org/D18778 llvm-svn: 265454
* Add disk_space() to llvm::fsMehdi Amini2016-04-011-1/+31
| | | | | | | | | | Summary: Adapted from Boost::filesystem. (This is a reapply by reverting commit r265080 and fixing the WinAPI part) Differential Revision: http://reviews.llvm.org/D18467 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265082
* Revert "Add disk_space() to llvm::fs"Mehdi Amini2016-04-011-31/+1
| | | | | | | | This reverts commit r265074 and r265068. Breaks windows build From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265080
* Use const ref instead of value for Twine in the disk_space() APIMehdi Amini2016-03-311-1/+1
| | | | | | | Thanks Rui for noticing! From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265074
* Add disk_space() to llvm::fsMehdi Amini2016-03-311-1/+31
| | | | | | | | | | Summary: Adapted from Boost::filesystem. (This is a reapply by reverting commit r265062 and fixing the WinAPI part) Differential Revision: http://reviews.llvm.org/D18467 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265068
* Revert "Add disk_space() to llvm::fs"Mehdi Amini2016-03-311-31/+1
| | | | | | | | | Breaks windows bot. This reverts commit r265050. This reverts commit r265055. From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265062
* Add disk_space() to llvm::fsMehdi Amini2016-03-311-1/+31
| | | | | | | | | | | | | Summary: Adapted from Boost::filesystem. Reviewers: bruno, silvas Subscribers: tberghammer, danalbert, llvm-commits, srhines Differential Revision: http://reviews.llvm.org/D18467 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265050
* Add lastAccessedTime to file_statusMehdi Amini2016-03-251-2/+9
| | | | | | | | | Differential Revision: http://reviews.llvm.org/D18456 This is a re-commit of r264387 and r264388 after fixing a typo. From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264392
* Revert "Add lastAccessedTime to file_status"Mehdi Amini2016-03-251-9/+2
| | | | | | | | This reverts commit r264387. Bots are broken in various ways, I need to take one commit at a time... From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264390
* Add lastAccessedTime to file_statusMehdi Amini2016-03-251-2/+9
| | | | | | | | | | | Reviewers: silvas Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D18456 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264387
* Fix typo: XDS -> XDGSean Silva2016-03-241-3/+3
| | | | | | Patch by Robert Ma <bob1211@gmail.com>! llvm-svn: 264352
* Use static instead of anonymous namespace for helper functions. NFC.Pawel Bylica2015-11-021-5/+2
| | | | llvm-svn: 251801
* [Support] Extend sys::path with user_cache_directory function.Pawel Bylica2015-11-021-21/+53
| | | | | | | | | | | | | | | | | | | | Summary: The new function sys::path::user_cache_directory tries to discover a directory suitable for cache storage for current system user. On Windows and Darwin it returns a path to system-specific user cache directory. On Linux it follows XDG Base Directory Specification, what is: - use non-empty $XDG_CACHE_HOME env var, - use $HOME/.cache. Reviewers: chapuni, aaron.ballman, rafael Subscribers: rafael, aaron.ballman, llvm-commits Differential Revision: http://reviews.llvm.org/D13801 llvm-svn: 251784
* Fix Clang-tidy modernize-use-nullptr warnings in source directories and ↵Hans Wennborg2015-10-061-20/+20
| | | | | | | | | | generated files; other minor cleanups. Patch by Eugene Zelenko! Differential Revision: http://reviews.llvm.org/D13321 llvm-svn: 249482
* ScanDirForExecutable on Windows fails to find executables with the "exe" ↵Reid Kleckner2015-09-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | extension in name When the driver tries to locate a program by its name, e.g. a linker, it scans the paths provided by the toolchain using the ScanDirForExecutable function. If the lookup fails, the driver uses llvm::sys::findProgramByName. Unlike llvm::sys::findProgramByName, ScanDirForExecutable is not aware of file extensions. If the program has the "exe" extension in its name, which is very common on Windows, ScanDirForExecutable won't find it under the toolchain-provided paths. This patch changes the Windows version of the "`can_execute`" function called by ScanDirForExecutable to respect file extensions, similarly to llvm::sys::findProgramByName. Patch by Oleg Ranevskyy Reviewers: rnk Differential Revision: http://reviews.llvm.org/D12711 llvm-svn: 247358
* Thread premissions through sys::fs::create_director{y|ies}Frederic Riss2015-08-061-2/+3
| | | | llvm-svn: 244268
* Remove unnecessary StringRef->std::string conversion.Alexey Samsonov2014-12-291-1/+1
| | | | llvm-svn: 224953
* MAP_FILE is the default. We don't need to add it.Rafael Espindola2014-12-121-3/+0
| | | | llvm-svn: 224144
* Move the resize file feature from mapped_file_region to the only user.Rafael Espindola2014-12-121-13/+1
| | | | | | This removes a duplicated stat on every file that llvm-ar looks at. llvm-svn: 224138
* Pass a FD to resise_file and add a testcase.Rafael Espindola2014-12-121-5/+2
| | | | | | I will add a real use in another commit. llvm-svn: 224136
* Remove a convoluted way of calling close by moving the call to the only caller.Rafael Espindola2014-12-111-46/+6
| | | | | | As a bonus we can actually check the return value. llvm-svn: 224046
* Remove dead code. NFC.Rafael Espindola2014-12-111-33/+0
| | | | llvm-svn: 224029
* Remove dead code. NFC.Rafael Espindola2014-12-041-1/+1
| | | | | | This interface was added 2 years ago but users never developed. llvm-svn: 223368
* Misc cleanups to the FileSytem api.Rafael Espindola2014-09-111-26/+23
| | | | | | | | | | | | | | | | The main difference is the removal of std::error_code exists(const Twine &path, bool &result); It was an horribly redundant interface since a file not existing is also a valid error_code. Now we have an access function that returns just an error_code. This is the only function that has to be implemented for Unix and Windows. The functions can_write, exists and can_execute an now just wrappers. One still has to be very careful using these function to avoid introducing race conditions (Time of check to time of use). llvm-svn: 217625
* Add an explicit cast to pacify implicit boolean conversion warnings.Benjamin Kramer2014-08-271-1/+1
| | | | llvm-svn: 216539
* Merge TempDir and system_temp_directory.Rafael Espindola2014-08-261-16/+60
| | | | | | | | | We had two functions for finding the temp or cache directory. Each had a different set of smarts about OS specific APIs. With this patch system_temp_directory becomes the only way to do it. llvm-svn: 216460
* Remove dead code. Fixes pr20544.Rafael Espindola2014-08-081-13/+0
| | | | llvm-svn: 215243
* Build fix for systems without futimes/futimensAlp Toker2014-06-301-1/+1
| | | | | | | | | Some versions of Android don't have futimes/futimens and this code wasn't updated during the recent errc refactoring. Patch by Luqman Aden! llvm-svn: 212055
* Finishing touch for the std::error_code transition.Rafael Espindola2014-06-131-5/+5
| | | | | | | | | | | While std::error_code itself seems to work OK in all platforms, there are few annoying differences with regards to the std::errc enumeration. This patch adds a simple llvm enumeration, which will hopefully avoid build breakages in other platforms and surprises as we get more uses of std::error_code. llvm-svn: 210920
* Remove 'using std::errro_code' from lib.Rafael Espindola2014-06-131-63/+65
| | | | llvm-svn: 210871
* Don't put generic_category in the llvm namespace.Rafael Espindola2014-06-121-19/+19
| | | | llvm-svn: 210737
* Implement get_magic with generic tools and inline it.Rafael Espindola2014-06-111-31/+0
| | | | llvm-svn: 210716
* Use std::error_code instead of llvm::error_code.Rafael Espindola2014-06-111-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea of this patch is to turn llvm/Support/system_error.h into a transitional header that just brings in the erorr_code api to the llvm namespace. I will remove it shortly afterwards. The cases where the general idea needed some tweaking: * std::errc is a namespace in msvc, so we cannot use "using std::errc". I could add an #ifdef, but there were not that many uses, so I just added std:: to them in this patch. * Template specialization had to be moved to the std namespace in this patch set already. * The msvc implementation of default_error_condition doesn't seem to provide the same transformations as we need. Not too surprising since the standard doesn't actually say what "equivalent" means. I fixed the problem by keeping our old mapping and using it at error_code construction time. Despite these shortcomings I think this is still a good thing. Some reasons: * The different implementations of system_error might improve over time. * It removes 925 lines of code from llvm already. * It removes 6313 bytes from the text segment of the clang binary when it is built with gcc and 2816 bytes when building with clang and libstdc++. llvm-svn: 210687
* Uses generic_category instead of system_category.Rafael Espindola2014-06-111-21/+21
| | | | | | | Some c++ libraries (libstdc++ at least) don't seem to map to the generic category in in the system_category's default_error_condition. llvm-svn: 210635
* Turn errc and windows_error into enum classes.Rafael Espindola2014-05-311-5/+5
| | | | llvm-svn: 209957
* Use error_code() instead of error_code::succes()Rafael Espindola2014-05-311-21/+21
| | | | | | | There is no std::error_code::success, so this removes much of the noise in transitioning to std::error_code. llvm-svn: 209952
* delete dead code.Rafael Espindola2014-05-311-29/+0
| | | | llvm-svn: 209938
* [C++] Use 'nullptr'.Craig Topper2014-04-281-11/+11
| | | | llvm-svn: 207394
* [Support] Make sure sys::fs::remove can remove symbolic links and make sure ↵Argyrios Kyrtzidis2014-03-211-2/+2
| | | | | | LockFileManager can handle a symbolic link that points nowhere. llvm-svn: 204422
* support: add a utility function to normalise path separatorsSaleem Abdulrasool2014-03-111-0/+13
| | | | | | | | Add a utility function to convert the Windows path separator to Unix style path separators. This is used by a subsequent change in clang to enable the use of Windows SDK headers on Linux. llvm-svn: 203611
* Cleanup the interface for creating soft or hard links.Rafael Espindola2014-03-111-2/+4
| | | | | | | | | | | | Before this patch the unix code for creating hardlinks was unused. The code for creating symbolic links was implemented in lib/Support/LockFileManager.cpp and the code for creating hard links in lib/Support/*/Path.inc. The only use we have for these is in LockFileManager.cpp and it can use both soft and hard links. Just have a create_link function that creates one or the other depending on the platform. llvm-svn: 203596
* Revert create_symbolic_link and both depending changesReid Kleckner2014-03-061-13/+0
| | | | | | | | | | This reverts commits r203136, r203137, and r203138. This code doesn't build on Windows. Even on Vista+, Windows requires elevated privileges to create a symlink. Therefore we can't use symlinks in the compiler. We'll have to find another approach. llvm-svn: 203143
* [Support/FileSystem] Introduce llvm::sys::fs::create_symbolic_link().Argyrios Kyrtzidis2014-03-061-0/+13
| | | | llvm-svn: 203136
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