llvm-6502/include/llvm/Support/Threading.h
Chandler Carruth 39ea80cc56 Re-apply r211287: Remove support for LLVM runtime multi-threading.
I'll fix the problems in libclang and other projects in ways that don't
require <mutex> until we sort out the cygwin situation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211900 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-27 15:13:01 +00:00

39 lines
1.4 KiB
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//===-- llvm/Support/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.
//
//===----------------------------------------------------------------------===//
//
// This file declares helper functions for running LLVM in a multi-threaded
// environment.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_THREADING_H
#define LLVM_SUPPORT_THREADING_H
namespace llvm {
/// Returns true if LLVM is compiled with support for multi-threading, and
/// false otherwise.
bool llvm_is_multithreaded();
/// llvm_execute_on_thread - Execute the given \p UserFn on a separate
/// thread, passing it the provided \p UserData.
///
/// This function does not guarantee that the code will actually be executed
/// on a separate thread or honoring the requested stack size, but tries to do
/// so where system support is available.
///
/// \param UserFn - The callback to execute.
/// \param UserData - An argument to pass to the callback function.
/// \param RequestedStackSize - If non-zero, a requested size (in bytes) for
/// the thread stack.
void llvm_execute_on_thread(void (*UserFn)(void*), void *UserData,
unsigned RequestedStackSize = 0);
}
#endif