| 1 | //===-- Linux implementation of the thrd_create function ------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/threads/thrd_create.h" |
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| 10 | #include "src/__support/common.h" |
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| 11 | #include "src/__support/libc_errno.h" |
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| 12 | #include "src/__support/macros/config.h" |
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| 13 | #include "src/__support/threads/thread.h" |
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| 14 | |
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| 15 | #include <threads.h> // For thrd_* type definitions. |
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| 16 | |
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| 17 | namespace LIBC_NAMESPACE_DECL { |
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| 18 | |
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| 19 | static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread), |
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| 20 | "Mismatch between thrd_t and internal Thread." ); |
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| 21 | |
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| 22 | LLVM_LIBC_FUNCTION(int, thrd_create, |
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| 23 | (thrd_t * th, thrd_start_t func, void *arg)) { |
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| 24 | auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(th); |
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| 25 | int result = thread->run(func, arg); |
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| 26 | if (result == 0) |
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| 27 | return thrd_success; |
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| 28 | else if (result == ENOMEM) |
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| 29 | return thrd_nomem; |
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| 30 | else |
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| 31 | return thrd_error; |
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| 32 | } |
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| 33 | |
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| 34 | } // namespace LIBC_NAMESPACE_DECL |
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| 35 | |
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