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