libc/src/pthread/pthread_setspecific.cpp

   1 //===-- Linux implementation of the pthread_setspecific 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_setspecific.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_setspecific,
  21                    (pthread_key_t key, const void *data)) {
  22   if (set_tss_value(key, const_cast<void *>(data)))
  23     return 0;
  24   else
  25     return EINVAL;
  26 }
  27
  28 } // namespace LIBC_NAMESPACE_DECL