libc/src/pthread/pthread_key_create.cpp

   1 //===-- Implementation of the pthread_key_create --------------------------===//
   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_key_create.h"
  10
  11 #include "src/__support/common.h"
  12 #include "src/__support/macros/config.h"
  13 #include "src/__support/threads/thread.h"
  14 #include "src/errno/libc_errno.h"
  15
  16 #include <pthread.h>
  17
  18 namespace LIBC_NAMESPACE_DECL {
  19
  20 LLVM_LIBC_FUNCTION(int, pthread_key_create,
  21                    (pthread_key_t * key, __pthread_tss_dtor_t dtor)) {
  22   auto k = LIBC_NAMESPACE::new_tss_key(dtor);
  23   if (!k)
  24     return EINVAL;
  25   *key = *k;
  26   return 0;
  27 }
  28
  29 } // namespace LIBC_NAMESPACE_DECL