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2013-03-15[Support][Path][Windows] Fix dangling else. Don't call CloseHandle when ↵Michael J. Spencer
CloseFD is false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177175 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14[Support] Fix lifetime of file descriptors when using MemoryBuffer.Michael J. Spencer
Clients of MemoryBuffer::getOpenFile expect it not to take ownership of the file descriptor passed in. So don't. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176995 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12[Support][Path] Don't inf loop if creating the parent directory fails.Michael J. Spencer
Patch by Paul Robinson. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176908 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Add static cast to unsigned char whenever a character classification ↵Guy Benyei
function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175006 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Move the internal PrintStackTrace function that is used for ↵Argyrios Kyrtzidis
llvm::sys::PrintStackTraceOnErrorSignal(), into a new function llvm::sys::PrintStackTrace, so that it's available to clients for logging purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171989 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Fix an obvious typo spotted by Reid Kleckner, and breaking windows builds.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171559 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Add time getters to the process interface for requesting the elapsedChandler Carruth
wall time, user time, and system time since a process started. For walltime, we currently use TimeValue's interface and a global initializer to compute a close approximation of total process runtime. For user time, this adds support for an somewhat more precise timing mechanism -- clock_gettime with the CLOCK_PROCESS_CPUTIME_ID clock selected. For system time, we have to do a full getrusage call to extract the system time from the OS. This is expensive but unavoidable. In passing, clean up the implementation of the old APIs and fix some latent bugs in the Windows code. This might have manifested on Windows ARM systems or other systems with strange 64-bit integer behavior. The old API for this both user time and system time simultaneously from a single getrusage call. While this results in fewer system calls, it also results in a lower precision user time and if only user time is desired, it introduces a higher overhead. It may be worthwhile to switch some of the pass timers to not track system time and directly track user and wall time. The old API also tracked walltime in a confusing way -- it just set it to the current walltime rather than providing any measure of wall time since the process started the way buth user and system time are tracked. The new API is more consistent here. The plan is to eventually implement these methods for a *child* process by using the wait3(2) system call to populate an rusage struct representing the whole subprocess execution. That way, after waiting on a child process its stats will become accurate and cheap to query. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171551 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Remove an unused method on Program.Chandler Carruth
I'm simplifying this interface as much as I can before merging it with the new process interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Remove an unused method on the Program class.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171332 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Flesh out a page size accessor in the new API.Chandler Carruth
Implement the old API in terms of the new one. This simplifies the implementation on Windows which can now re-use the self_process's once initialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171330 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Remove an unused function in the old Process interface.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Switch this code to a more idiomatic double using namespace directive.Chandler Carruth
Fix a truly odd namespace qualifier that was flat out wrong in the process. The fully qualified namespace would have been llvm::sys::TimeValue, llvm::TimeValue makes no sense. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Begin sketching out the process interface.Chandler Carruth
The coding style used here is not LLVM's style because this is modeled after a Boost interface and thus done in the style of a candidate C++ standard library interface. I'll probably end up proposing it as a standard C++ library if it proves to be reasonably portable and useful. This is just the most basic parts of the interface -- getting the process ID out of it. However, it helps sketch out some of the boiler plate such as the base class, derived class, shared code, and static factory function. It also introduces a unittest so that I can incrementally ensure this stuff works. However, I've not even compiled this code for Windows yet. I'll try to fix any Windows fallout from the bots, and if I can't fix it I'll revert and get someone on Windows to help out. There isn't a lot more that is mandatory, so soon I'll switch to just stubbing out the Windows side and get Michael Spencer to help with implementation as he can test it directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add a comment about the requirement that the Windows.h header be last.Chandler Carruth
This comment has the dual effect of blocking reorderings with the sort_include script. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03[Support][FileSystem] Fix open mode in resize_file on Windows.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Revert the header sort on this file.Michael J. Spencer
"Windows.h" includes <Windows.h> which defines a bunch of stuff it shouldn't (even with all the restriction macros). We have no control over this file, so make it's scope as small as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169165 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Use the new script to sort the includes of every file under lib.Chandler Carruth
Sooooo many of these had incorrect or strange main module includes. I have manually inspected all of these, and fixed the main module include to be the nearest plausible thing I could find. If you own or care about any of these source files, I encourage you to take some time and check that these edits were sensible. I can't have broken anything (I strictly added headers, and reordered them, never removed), but they may not be the headers you'd really like to identify as containing the API being implemented. Many forward declarations and missing includes were added to a header files to allow them to parse cleanly when included first. The main module rule does in fact have its merits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30Switch LLVM_USE_RVALUE_REFERENCES to LLVM_HAS_RVALUE_REFERENCES.Chandler Carruth
Rationale: 1) This was the name in the comment block. ;] 2) It matches Clang's __has_feature naming convention. 3) It matches other compiler-feature-test conventions. Sorry for the noise. =] I've also switch the comment block to use a \brief tag and not duplicate the name. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Fix a -Wparentheses warning in the mingw buildNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164587 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19This patch adds memory support functions which will later be used to ↵Andrew Kaylor
implement section-specific protection handling in MCJIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Properly test the LLVM_USE_RVALUE_REFERENCES macro.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161978 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15[PathV2] Add mapped_file_region. Implementation for Windows and POSIX.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Try to unbreak the windows build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Process: Add sys::Process::FileDescriptorHasColors().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Unbreak the MSVC build: add return to unimplemented functions.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Add permissions(), map_file_pages(), and unmap_file_pages() to llvm::sys::fs ↵Nick Kledzik
and add unit test. Unix is implemented. Windows side needs to be implemented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158770 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12Satisfy C++ aliasing rules, per suggestion by Chandler.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12For llvm::sys::ThreadLocalImpl instead of malloc'ing the platform-specificArgyrios Kyrtzidis
thread local data, embed them in the class using a uint64_t and make sure we get compiler errors if there's a platform where this is not big enough. This makes ThreadLocal more safe for using it in conjunction with CrashRecoveryContext. Related to crash in rdar://11434201. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-09Disabling a spurious deprecation warning about using PathV1 from within the ↵Aaron Ballman
PathV1 implementation file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-09Fixing a typo in the comments.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-27Path::GetTemporaryDirectory(): Add an assertion if TempDirectory is alive, ↵NAKAMURA Takumi
to check when someone would remove the tempdir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-11Allow unique_file to take a mode for file permissions, but defaultEric Christopher
to user only read/write. Part of rdar://11325849 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Windows/PathV2.inc: Retry rename() for (maximum) 2 seconds.NAKAMURA Takumi
Files might be opend by system scanners (eg. file indexer, virus scanner, &c). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Reapply 'Add reverseColor to raw_ostream'.Benjamin Kramer
To be used in printing unprintable source in clang diagnostics. Patch by Seth Cantrell, with a minor fix for mingw by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154805 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Revert r154800 which breaks windows builders.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154802 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Add reverseColor to raw_ostream.Argyrios Kyrtzidis
To be used in printing unprintable source in clang diagnostics. Patch by Seth Cantrell! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Change default error_code ctor to a 'named ctor' so it's more self-documenting.David Blaikie
Unify default construction of error_code uses on this idiom so that users don't feel compelled to make static globals for naming convenience. (unfortunately I couldn't make the original ctor private as some APIs don't return their result, instead using an out parameter (that makes sense to default construct) - which is a bit of a pity. I did, however, find/fix some cases of unnecessary default construction of error_code before I hit the unfixable cases) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-15Remove SetWorkingDirectory from the Process interface. Nothing in LLVMChandler Carruth
or Clang is using this, and it would be hard to use it correctly given the thread hostility of the function. Also, it never checked the return which is rather dangerous with chdir. If someone was in fact using this, please let me know, as well as what the usecase actually is so that I can add it back and make it more correct and secure to use. (That said, it's never going to be "safe" per-se, but we could at least document the risks...) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Disable the crash reporter when running lit tests.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147965 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05revert r147542 after comments from Joerg SonnenbergerSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147608 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04use getHostTriple instead of getDefaultTargetTriple in getClosestTargetForJITSebastian Pop
Get back getHostTriple. For JIT compilation, use the host triple instead of the default target: this fixes some JIT testcases that used to fail when the compiler has been configured as a cross compiler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147542 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13Support/Program: Make Change<stream>ToBinary return error_code.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Revert r146363 to allow buildbots to make forward progress.Chad Rosier
Original commit message: Support/FileSystem: Implement canonicalize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146378 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/FileSystem: Implement bool equivalent(file_status A, file_status B);Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/FileSystem: Implement canonicalize.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/Windows: Cleanup scoped handles.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Support/FileSystem: Implement recursive_directory_iterator and makeMichael J. Spencer
directory_iterator preserve InputIterator semantics on copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146200 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29[Win32] Catch exceptions (eg. segfault) on waiting for invoked clang from ↵NAKAMURA Takumi
the driver. clang/lib/Driver/Driver.cpp: Don't pass through negative exit status, or parent would be confused. llvm::sys::Program::Wait(): Suppose 0x8000XXXX and 0xC000XXXX as abnormal exit code and pass it as negative value. Win32 Exception Handler: Exit with ExceptionCode on an unhandle exception. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145389 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06Return only the least significant 8 bits of the exit status fromPeter Collingbourne
Process::Wait on Windows (mimicing POSIX behaviour). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143876 91177308-0d34-0410-b5e6-96231b3b80d8
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