libc/src/pthread/pthread_rwlockattr_init.cpp

   1 //===-- Implementation of the pthread_rwlockattr_init ---------------------===//
   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_rwlockattr_init.h"
  10
  11 #include "src/__support/common.h"
  12 #include "src/__support/macros/config.h"
  13
  14 #include <pthread.h> // pthread_rwlockattr_t, PTHREAD_PROCESS_PRIVATE
  15
  16 namespace LIBC_NAMESPACE_DECL {
  17
  18 LLVM_LIBC_FUNCTION(int, pthread_rwlockattr_init,
  19                    (pthread_rwlockattr_t * attr)) {
  20   attr->pshared = PTHREAD_PROCESS_PRIVATE;
  21   attr->pref = PTHREAD_RWLOCK_PREFER_READER_NP;
  22   return 0;
  23 }
  24
  25 } // namespace LIBC_NAMESPACE_DECL