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Users of the llvm global mutex must now acquire it manually.

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This allows the mutex to be acquired in a guarded, RAII fashion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211066 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zachary Turner
2014-06-16 22:39:38 +00:00
parent 8b3a8d6343
commit 9be5c8ca6b
5 changed files with 16 additions and 26 deletions
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13
include/llvm/Support/Threading.h
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@ -14,7 +14,12 @@
#ifndef LLVM_SUPPORT_THREADING_H
#define LLVM_SUPPORT_THREADING_H
#include "llvm/Support/Mutex.h"
namespace llvm {
/// llvm_get_global_lock - returns the llvm global lock object.
sys::Mutex& llvm_get_global_lock();
/// 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
@ -33,14 +38,6 @@ namespace llvm {
/// 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();
/// llvm_execute_on_thread - Execute the given \p UserFn on a separate
/// thread, passing it the provided \p UserData.
///