libc/src/pthread/pthread_setname_np.cpp

   1 //===-- Linux implementation of the pthread_setname_np function -----------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "pthread_setname_np.h"
  10
  11 #include "src/__support/CPP/string_view.h"
  12 #include "src/__support/common.h"
  13 #include "src/__support/threads/thread.h"
  14
  15 #include <pthread.h>
  16
  17 namespace LIBC_NAMESPACE {
  18
  19 static_assert(sizeof(pthread_t) == sizeof(LIBC_NAMESPACE::Thread),
  20               "Mismatch between pthread_t and internal Thread.");
  21
  22 LLVM_LIBC_FUNCTION(int, pthread_setname_np, (pthread_t th, const char *name)) {
  23   auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(&th);
  24   return thread->set_name(cpp::string_view(name));
  25 }
  26
  27 } // namespace LIBC_NAMESPACE