30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
//===-- Linux implementation of the mtx_init function ---------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/threads/mtx_init.h"
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#include "src/__support/common.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/threads/mutex.h"
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#include <threads.h> // For mtx_t definition.
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namespace LIBC_NAMESPACE_DECL {
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static_assert(sizeof(Mutex) <= sizeof(mtx_t),
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"The public mtx_t type cannot accommodate the internal mutex "
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"type.");
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LLVM_LIBC_FUNCTION(int, mtx_init, (mtx_t * m, int type)) {
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auto err = Mutex::init(reinterpret_cast<Mutex *>(m), type & mtx_timed,
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type & mtx_recursive, /* is_robust */ false,
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/* is_pshared */ false);
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return err == MutexError::NONE ? thrd_success : thrd_error;
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}
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} // namespace LIBC_NAMESPACE_DECL
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