This is step 4 of https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
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 LIBC_NAMESPACE {
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static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::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<LIBC_NAMESPACE::Thread *>(th);
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int result = thread->run(func, arg);
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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 LIBC_NAMESPACE
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