libc/src/pthread/pthread_condattr_setclock.cpp

   1 //===-- Implementation of the pthread_condattr_setclock -------------------===//
   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_condattr_setclock.h"
  10
  11 #include "src/__support/common.h"
  12 #include "src/__support/macros/config.h"
  13 #include "src/errno/libc_errno.h"
  14
  15 #include "hdr/time_macros.h" // CLOCK_MONOTONIC, CLOCK_REALTIME
  16 #include <pthread.h>         // pthread_condattr_t
  17 #include <sys/types.h>       // clockid_t
  18
  19 namespace LIBC_NAMESPACE_DECL {
  20
  21 LLVM_LIBC_FUNCTION(int, pthread_condattr_setclock,
  22                    (pthread_condattr_t * attr, clockid_t clock)) {
  23
  24   if (clock != CLOCK_MONOTONIC && clock != CLOCK_REALTIME)
  25     return EINVAL;
  26
  27   attr->clock = clock;
  28   return 0;
  29 }
  30
  31 } // namespace LIBC_NAMESPACE_DECL