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//===-- Linux implementation of the pthread_setname_np function -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "pthread_getname_np.h"
#include "src/__support/CPP/span.h"
#include "src/__support/CPP/stringstream.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
#include "src/__support/threads/thread.h"
#include <pthread.h>
#include <stddef.h>
namespace LIBC_NAMESPACE_DECL {
static_assert(sizeof(pthread_t) == sizeof(LIBC_NAMESPACE::Thread),
"Mismatch between pthread_t and internal Thread.");
LLVM_LIBC_FUNCTION(int, pthread_getname_np,
(pthread_t th, char *buf, size_t len)) {
auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(&th);
cpp::span<char> name_buf(buf, len);
cpp::StringStream name_stream(name_buf);
return thread->get_name(name_stream);
}
} // namespace LIBC_NAMESPACE_DECL
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