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author | Ed Schouten <ed@FreeBSD.org> | 2009-06-22 08:08:12 +0000 |
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committer | Ed Schouten <ed@FreeBSD.org> | 2009-06-22 08:08:12 +0000 |
commit | b2f21fb044b6b5c52cff6227f9f79ca4ed42b18f (patch) | |
tree | 86c1bc482baa6c81fc70b8d715153bfa93377186 /include/llvm/System/Threading.h | |
parent | 600c6fa13de5c407dc36dbb0ab73807868741ae0 (diff) | |
download | src-b2f21fb044b6b5c52cff6227f9f79ca4ed42b18f.tar.gz src-b2f21fb044b6b5c52cff6227f9f79ca4ed42b18f.zip |
Update LLVM sources to r73879.vendor/llvm/llvm-r73879
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=194612
svn path=/vendor/llvm/llvm-r73879/; revision=194614; tag=vendor/llvm/llvm-r73879
Diffstat (limited to 'include/llvm/System/Threading.h')
-rw-r--r-- | include/llvm/System/Threading.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/llvm/System/Threading.h b/include/llvm/System/Threading.h new file mode 100644 index 000000000000..42d2f89bcb82 --- /dev/null +++ b/include/llvm/System/Threading.h @@ -0,0 +1,45 @@ +//===-- llvm/System/Threading.h - Control multithreading mode --*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// TThis file defines llvm_start_multithreaded() and friends. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SYSTEM_THREADING_H +#define LLVM_SYSTEM_THREADING_H + +namespace llvm { + /// llvm_start_multithreaded - Allocate and initialize structures needed to + /// make LLVM safe for multithreading. The return value indicates whether + /// multithreaded initialization succeeded. LLVM will still be operational + /// on "failed" return, and will still be safe for hosting threading + /// applications in the JIT, but will not be safe for concurrent calls to the + /// LLVM APIs. + /// THIS MUST EXECUTE IN ISOLATION FROM ALL OTHER LLVM API CALLS. + bool llvm_start_multithreaded(); + + /// llvm_stop_multithreaded - Deallocate structures necessary to make LLVM + /// safe for multithreading. + /// THIS MUST EXECUTE IN ISOLATION FROM ALL OTHER LLVM API CALLS. + void llvm_stop_multithreaded(); + + /// llvm_is_multithreaded - Check whether LLVM is executing in thread-safe + /// mode or not. + bool llvm_is_multithreaded(); + + /// acquire_global_lock - Acquire the global lock. This is a no-op if called + /// before llvm_start_multithreaded(). + void llvm_acquire_global_lock(); + + /// release_global_lock - Release the global lock. This is a no-op if called + /// before llvm_start_multithreaded(). + void llvm_release_global_lock(); +} + +#endif |