This enables setting up a single "self" thread object to be returned by API like thrd_self and pthread_self.
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
//===-- Linux implementation of the thrd_create 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/thrd_create.h"
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#include "src/__support/common.h"
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#include "src/__support/threads/thread.h"
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#include <errno.h>
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#include <threads.h> // For thrd_* type definitions.
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namespace __llvm_libc {
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static_assert(sizeof(thrd_t) == sizeof(__llvm_libc::Thread),
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"Mismatch between thrd_t and internal Thread.");
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LLVM_LIBC_FUNCTION(int, thrd_create,
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(thrd_t * th, thrd_start_t func, void *arg)) {
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auto *thread = reinterpret_cast<__llvm_libc::Thread *>(th);
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int result = thread->run(func, arg, nullptr, 0);
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if (result == 0)
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return thrd_success;
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else if (result == ENOMEM)
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return thrd_nomem;
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else
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return thrd_error;
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}
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} // namespace __llvm_libc
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