sysdeps/pthread/tst-join15.c

   1 /* Check pthread_clockjoin_np clock support.
   2    Copyright (C) 2020-2023 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <sys/time.h>
  21 #include <unistd.h>
  22 #include <errno.h>
  23
  24 #include <array_length.h>
  25 #include <support/check.h>
  26 #include <support/timespec.h>
  27 #include <support/xthread.h>
  28
  29 static void *
  30 tf (void *arg)
  31 {
  32   pause ();
  33   return NULL;
  34 }
  35
  36
  37 static int
  38 do_test (void)
  39 {
  40   const clockid_t clocks[] = {
  41     CLOCK_REALTIME,
  42     CLOCK_MONOTONIC,
  43     CLOCK_PROCESS_CPUTIME_ID,
  44     CLOCK_THREAD_CPUTIME_ID,
  45     CLOCK_THREAD_CPUTIME_ID,
  46     CLOCK_MONOTONIC_RAW,
  47     CLOCK_REALTIME_COARSE,
  48     CLOCK_MONOTONIC_COARSE,
  49 #ifdef CLOCK_BOOTTIME
  50     CLOCK_BOOTTIME,
  51 #endif
  52 #ifdef CLOCK_REALTIME_ALARM
  53     CLOCK_REALTIME_ALARM,
  54 #endif
  55 #ifdef CLOCK_BOOTTIME_ALARM
  56     CLOCK_BOOTTIME_ALARM,
  57 #endif
  58 #ifdef CLOCK_TAI
  59     CLOCK_TAI
  60 #endif
  61   };
  62
  63   pthread_t thr = xpthread_create (NULL, tf, NULL);
  64
  65   for (int t = 0; t < array_length (clocks); t++)
  66     {
  67       /* Create a valid timeout to check for ETIMEDOUT on valid clocks.  */
  68       struct timespec tmo;
  69       if (clock_gettime (clocks[t], &tmo) == -1)
  70         /* For clocks not supported, create a large timeout (it should
  71            fail early with EINVAL).  */
  72         tmo = make_timespec (-1, 0);
  73       else
  74         tmo = timespec_add (tmo, make_timespec (0, 100000000));
  75
  76       int ret = clocks[t] == CLOCK_REALTIME || clocks[t] == CLOCK_MONOTONIC
  77                 ? ETIMEDOUT : EINVAL;
  78
  79       TEST_COMPARE (pthread_clockjoin_np (thr, NULL, clocks[t], &tmo), ret);
  80     }
  81
  82   return 0;
  83 }
  84
  85 #include <support/test-driver.c>