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520 Commits

Author SHA1 Message Date
Owen Anderson
5bda03a404 Add atomic multiply and divide operations, built on top of CompareAndSwap. 
llvm-svn: 74004
 2009-06-23 21:19:04 +00:00
Owen Anderson
c11dfb46c1 Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets 
we care about are capable of supporting it.

llvm-svn: 73993
 2009-06-23 20:17:22 +00:00
Owen Anderson
c2d02066d0 Atomic ops that do arithmetic use signed arithmetic. 
llvm-svn: 73980
 2009-06-23 18:30:27 +00:00
Owen Anderson
1bea9b9158 Label the existing atomic functions as 32-bit specific, and add a 64-bit one that will be useful in 
the near future.

llvm-svn: 73971
 2009-06-23 18:01:04 +00:00
Owen Anderson
e0ff9fb130 Add an atomic add operation. 
llvm-svn: 73964
 2009-06-23 17:39:31 +00:00
Owen Anderson
c1a4bbe1c8 Workaround for an... interesting bug in Darwin's pthread_rwlock_init. 
llvm-svn: 73806
 2009-06-20 00:32:27 +00:00
Owen Anderson
47968a6dec Fix bad paste-o in the MSVC atomics. 
Patch by Иван Сорокин.

llvm-svn: 73779
 2009-06-19 18:37:50 +00:00
Owen Anderson
4760da0a7a Give RWMutex the SmartRWMutex treatment too. 
llvm-svn: 73710
 2009-06-18 18:26:15 +00:00
Owen Anderson
9aaa6b8958 Insert a SmartMutex templated class into the class hierarchy, which takes a template parameter specifying whether this mutex 
should become a no-op when not running in multithreaded mode.  Make sys::Mutex a typedef of SmartMutex<false>, to preserve source compatibility.

llvm-svn: 73709
 2009-06-18 17:53:17 +00:00
Ted Kremenek
e88e953645 Update CMake files to account for new location of Threading.cpp. 
llvm-svn: 73708
 2009-06-18 17:47:09 +00:00
Owen Anderson
a59f91c08d Move Threading.[h|cpp] from Support to System. 
llvm-svn: 73707
 2009-06-18 16:54:52 +00:00
Owen Anderson
f71490c586 Fix build when disable thread support. 
Patch by Howard Su.

llvm-svn: 73680
 2009-06-18 04:44:46 +00:00
Douglas Gregor
b1764a0bef Add RWMutex.cpp to the CMake makefiles 
llvm-svn: 73615
 2009-06-17 17:01:30 +00:00
Owen Anderson
c40f3f2752 Improve the Win32 reader-writer lock implementation by making it just a normal 
lock.  This is obviously bad, but at least it's threadsafe!  If you know how
to improve this in a pre-Vista friendly well, patches welcome!

Patch by Max Burke.

llvm-svn: 73607
 2009-06-17 09:10:42 +00:00
Owen Anderson
3637fc65bd Use atomic increment/decrement for reference counting of Type's. 
llvm-svn: 73588
 2009-06-17 00:28:49 +00:00
Owen Anderson
430f18d2db Add an atomic increment and decrement implementation, which will be used for 
thread-safe reference counting.

llvm-svn: 73587
 2009-06-17 00:13:00 +00:00
Owen Anderson
aaf83d86b8 Accidentally broke this file. 
llvm-svn: 73552
 2009-06-16 20:57:51 +00:00
Owen Anderson
208c38b522 Remove the Win32 implementation, since it doesn't compile pre-Vista. 
llvm-svn: 73550
 2009-06-16 20:49:20 +00:00
Owen Anderson
30a1b2528a Fix/cleanup trailing newlines. 
llvm-svn: 73546
 2009-06-16 20:23:05 +00:00
Owen Anderson
48d53f2c53 Add a portable wrapper for reader-writer locks. 
llvm-svn: 73545
 2009-06-16 20:19:28 +00:00
Dan Gohman
d0637707c5 glibc has two versions of strerror_r, a standards compliant one and a GNU 
specific one. The GNU one is chosen when _GNU_SOURCE is defined. g++ always
defines _GNU_SOURCE on linux platforms because glibc's headers won't compile
in C++ mode without it. The GNU strerror_r doesn't always modify the buffer
which causes empty error messages on linux.

This patch changes MakeErrMsg to use the return value of strerror_r to get
the string instead of assuming the buffer will be modified, on GLIBC.

Patch by Benjamin Kramer!

llvm-svn: 73396
 2009-06-15 18:05:46 +00:00
Chris Lattner
9e81498d2d "This patch implements the method with the GetModuleFileName function for windows." 
Patch by Benjamin Kramer!

llvm-svn: 73379
 2009-06-15 05:38:04 +00:00
Chris Lattner
dfaaf63aff add a new static method to portably determine whether a patch is 
absolute or not, based on a patch by Gregory Curfman!

llvm-svn: 73368
 2009-06-15 04:17:07 +00:00
Torok Edwin
a10c3b9bc6 Fix comments. 
llvm-svn: 72858
 2009-06-04 08:18:25 +00:00
Torok Edwin
5da9f51d1e Add support for outputting ANSI colors to raw_fd_ostream. 
llvm-svn: 72854
 2009-06-04 07:09:50 +00:00
Duncan Sands
1f0ecf9952 At a newline at the end of this file. 
llvm-svn: 72767
 2009-06-03 11:54:28 +00:00
Owen Anderson
6a94d2450e Undef MemoryFence when compiling on MSVC. 
llvm-svn: 72732
 2009-06-02 17:35:55 +00:00
Bill Wendling
8235a05c1a Untabification. 
llvm-svn: 72604
 2009-05-30 01:09:53 +00:00
Jay Foad
ccae25d83b Work around a page size issue on Cygwin. 
llvm-svn: 72332
 2009-05-23 17:57:59 +00:00
Owen Anderson
3e3206324b Add Atomic.cpp to the CMake build system. 
llvm-svn: 72202
 2009-05-21 00:48:56 +00:00
Owen Anderson
07513122f5 Tabs, be gone! 
llvm-svn: 72180
 2009-05-20 19:06:49 +00:00
Owen Anderson
b3e9d10028 I just fail today. 
Hopefully this fixes the last build errors on systems with GCC < 4.1.

llvm-svn: 72179
 2009-05-20 19:01:50 +00:00
Owen Anderson
0bc99bd557 Copy-and-paste-o. 
llvm-svn: 72177
 2009-05-20 18:47:53 +00:00
Owen Anderson
2753821fab Move atomic operations' definitions out of line. While this seems kind of silly, 
all kinds of problems caused by including windows.h and/or config.h in an LLVM header.

llvm-svn: 72174
 2009-05-20 18:26:15 +00:00
Douglas Gregor
1ad25cdc99 termios.h contains the winsize structure we need to determine the 
width of a terminal. Don't try to get the width of a terminal if we
don't have this header.

llvm-svn: 72018
 2009-05-18 17:21:34 +00:00
Douglas Gregor
26745696ef Add terminal width detection to llvm::sys::Process. This is needed to 
fix Clang PRs 4148 and 4183.

llvm-svn: 71448
 2009-05-11 18:05:52 +00:00
Stefanus Du Toit
984008e1d7 Fix choice of version of Windows callback to use to consider not only the Visual Studio version, but also the Windows SDK version. 
Patch by Tareq Siraj.

llvm-svn: 70299
 2009-04-28 16:37:58 +00:00
Torok Edwin
285a5fb1d5 Fix g++-4.4.0 warning, it was causing llvm-nm to fail on wrapped BC files: 
Path.cpp:59: warning: case label value exceeds maximum value for type
magic[0] is a (signed) char, but some case values are unsigned (e.g. 0xde).
When magic[0] was 0xde, the switch has taken the default branch instead of case
0xde branch.
Apparently this was the behaviour with older versions of gcc too, but not with g++.
Now g++-4.4 behaves as gcc, and ignores unsigned case values out of range signed
range.

llvm-svn: 70038
 2009-04-25 10:25:12 +00:00
Anton Korobeynikov
b53ac333d7 Silence warnings. 
Patch by Jay Foad!

llvm-svn: 69679
 2009-04-21 16:04:56 +00:00
Anton Korobeynikov
0a64083f49 Drop obsolete reference to __eprintf. 
Patch by Jay Foad!

llvm-svn: 69678
 2009-04-21 16:04:41 +00:00
Daniel Dunbar
024320d274 Make Unix.h:MakeErrMsg separate the prefix and errno string, so we get: 
clang: error: unable to make temporary file: /etc/cc: can't make
  unique filename: Permission denied

instead of 

  clang: error: unable to make temporary file: /etc/cc: can't make
  unique filenamePermission denied

for example.

Also, audited the uses of MakeErrMsg to make the prefix strings
consistent (not end with newline/punctuation/space/": ").

llvm-svn: 69626
 2009-04-20 20:50:13 +00:00
Mikhail Glushenkov
df9499583d Call CreateProcess with bInheritHandles = TRUE. 
Makes llvmc show error messages printed by child processes when run from the
Cygwin/MSYS shell. Since ExecuteAndWait does not return until the child program
has finished execution, this change should be harmless.

llvm-svn: 69082
 2009-04-14 21:31:36 +00:00
Mikhail Glushenkov
c249ce5be4 Delete trailing whitespace. 
llvm-svn: 69081
 2009-04-14 21:31:14 +00:00
Chris Lattner
76d47b6629 fix PR3965:SIGINT handler not restored after calling ParseAST(), 
patch by Alexei Svitkine!

llvm-svn: 68929
 2009-04-12 23:33:13 +00:00
Daniel Dunbar
7682ffcabb Add sys::Path::makeAbsolute(). 
llvm-svn: 68663
 2009-04-09 00:33:08 +00:00
Chris Lattner
437755672d hopefully fix an apparent build error on windows. 
llvm-svn: 68175
 2009-04-01 02:03:38 +00:00
Daniel Dunbar
aec3d9857f Add llvm::sys::getHostTriple and remove 
llvm::sys::getOS{Name,Version}.

Right now the implementation just derives from LLVM_HOSTTRIPLE (which
is wrong, but it doesn't look like we have a define for the target
triple). Ideally this routine would actually be able to compute the
triple for targets we care about.

llvm-svn: 68118
 2009-03-31 17:30:15 +00:00
Chris Lattner
095a3938e4 fix a bug Alexei Svitkine pointed out. 
llvm-svn: 67510
 2009-03-23 06:46:20 +00:00
Chris Lattner
910f31715e When we restore signal handlers, restore them back to what they 
were when we came around, not to their default handler.  This 
should fix PR3848

llvm-svn: 67509
 2009-03-23 05:55:36 +00:00
Chris Lattner
429a82ad30 factorize signal registration, part of PR3848. 
llvm-svn: 67508
 2009-03-23 05:42:29 +00:00