llvm/lib/System, branch release_26

Merge 81655 from mainline.

2009-09-13T19:08:09Z

fix for PR4960. - Could we just always implement this as __clear_cache for __GNUC__? git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81697 91177308-0d34-0410-b5e6-96231b3b80d8

Merge 80863 from mainline.

2009-09-04T19:52:18Z

Improve llvm::getHostTriple for some cases where the LLVM_HOSTTRIPLE is not reliable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81033 91177308-0d34-0410-b5e6-96231b3b80d8

Get rid of a helgrind warning. If this is _actually_ a performance problem,

2009-08-19T21:48:34Z

we can find a way to cache the answer that isn't racy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79472 91177308-0d34-0410-b5e6-96231b3b80d8

Add locking around signal handler registration.

2009-08-17T17:07:22Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79254 91177308-0d34-0410-b5e6-96231b3b80d8

This void is implicit in C++.

2009-08-12T22:10:57Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78848 91177308-0d34-0410-b5e6-96231b3b80d8

improve win32 path support, patch by Baptiste Lepilleur!

2009-08-12T17:47:06Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78823 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bunch of namespace pollution.

2009-08-07T01:32:21Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8

Minor code simplification.

2009-08-05T20:16:55Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78239 91177308-0d34-0410-b5e6-96231b3b80d8

Update a comment to reflect the current code.

2009-08-05T17:32:39Z

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78215 91177308-0d34-0410-b5e6-96231b3b80d8

Remove needless uses of std::flush in the parent process after a

2009-08-05T00:17:00Z

fork call. This eliminates a need for . Also remove needless fsync calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78131 91177308-0d34-0410-b5e6-96231b3b80d8