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/threads/thread.h"
  13
  14 #include <errno.h>
  15 #include <pthread.h>
  16
  17 namespace __llvm_libc {
  18
  19 LLVM_LIBC_FUNCTION(int, pthread_setspecific,
  20                    (pthread_key_t key, const void *data)) {
  21   if (set_tss_value(key, const_cast<void *>(data)))
  22     return 0;
  23   else
  24     return EINVAL;
  25 }
  26
  27 } // namespace __llvm_libc