34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
//===-- Linux implementation of the pthread_setname_np 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 "pthread_getname_np.h"
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#include "src/__support/CPP/span.h"
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#include "src/__support/CPP/stringstream.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/thread.h"
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#include <pthread.h>
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#include <stddef.h>
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namespace LIBC_NAMESPACE_DECL {
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static_assert(sizeof(pthread_t) == sizeof(LIBC_NAMESPACE::Thread),
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"Mismatch between pthread_t and internal Thread.");
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LLVM_LIBC_FUNCTION(int, pthread_getname_np,
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(pthread_t th, char *buf, size_t len)) {
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auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(&th);
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cpp::span<char> name_buf(buf, len);
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cpp::StringStream name_stream(name_buf);
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return thread->get_name(name_stream);
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}
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} // namespace LIBC_NAMESPACE_DECL
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