nptl/pthread_clockjoin.c

   1 /* Join with a terminated thread using an specific clock.
   2    Copyright (C) 2019-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <time.h>
  20 #include <futex-internal.h>
  21 #include "pthreadP.h"
  22
  23 int
  24 __pthread_clockjoin_np64 (pthread_t threadid, void **thread_return,
  25                           clockid_t clockid, const struct __timespec64 *abstime)
  26 {
  27   if (!futex_abstimed_supported_clockid (clockid))
  28     return EINVAL;
  29
  30   return __pthread_clockjoin_ex (threadid, thread_return,
  31                                  clockid, abstime, true);
  32 }
  33
  34 #if __TIMESIZE != 64
  35 libpthread_hidden_def (__pthread_clockjoin_np64)
  36
  37 int
  38 __pthread_clockjoin_np (pthread_t threadid, void **thread_return,
  39                         clockid_t clockid, const struct timespec *abstime)
  40 {
  41   if (abstime != NULL)
  42     {
  43       struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime);
  44       return __pthread_clockjoin_np64 (threadid, thread_return, clockid,
  45                                        &ts64);
  46     }
  47   else
  48       return __pthread_clockjoin_np64 (threadid, thread_return, clockid,
  49                                        NULL);
  50 }
  51 #endif
  52 weak_alias (__pthread_clockjoin_np, pthread_clockjoin_np)