sysdeps/pthread/tst-cond11.c

   1 /* Copyright (C) 2003-2020 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   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 <errno.h>
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <time.h>
  23 #include <unistd.h>
  24 #include <support/check.h>
  25 #include <support/test-driver.h>
  26 #include <support/timespec.h>
  27 #include <support/xthread.h>
  28 #include <support/xtime.h>
  29
  30 /* A bogus clock value that tells run_test to use pthread_cond_timedwait
  31    rather than pthread_condclockwait.  */
  32 #define CLOCK_USE_ATTR_CLOCK (-1)
  33
  34 #if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0
  35 static int
  36 run_test (clockid_t attr_clock, clockid_t wait_clock)
  37 {
  38   pthread_condattr_t condattr;
  39   pthread_cond_t cond;
  40   pthread_mutexattr_t mutattr;
  41   pthread_mutex_t mut;
  42
  43   verbose_printf ("attr_clock = %d\n", (int) attr_clock);
  44
  45   TEST_COMPARE (pthread_condattr_init (&condattr), 0);
  46   TEST_COMPARE (pthread_condattr_setclock (&condattr, attr_clock), 0);
  47
  48   clockid_t attr_clock_read;
  49   TEST_COMPARE (pthread_condattr_getclock (&condattr, &attr_clock_read), 0);
  50   TEST_COMPARE (attr_clock, attr_clock_read);
  51
  52   TEST_COMPARE (pthread_cond_init (&cond, &condattr), 0);
  53   TEST_COMPARE (pthread_condattr_destroy (&condattr), 0);
  54
  55   xpthread_mutexattr_init (&mutattr);
  56   xpthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK);
  57   xpthread_mutex_init (&mut, &mutattr);
  58   xpthread_mutexattr_destroy (&mutattr);
  59
  60   xpthread_mutex_lock (&mut);
  61   TEST_COMPARE (pthread_mutex_lock (&mut), EDEADLK);
  62
  63   struct timespec ts_timeout;
  64   xclock_gettime (wait_clock == CLOCK_USE_ATTR_CLOCK ? attr_clock : wait_clock,
  65                   &ts_timeout);
  66
  67   /* Wait one second.  */
  68   ++ts_timeout.tv_sec;
  69
  70   if (wait_clock == CLOCK_USE_ATTR_CLOCK) {
  71     TEST_COMPARE (pthread_cond_timedwait (&cond, &mut, &ts_timeout), ETIMEDOUT);
  72     TEST_TIMESPEC_BEFORE_NOW (ts_timeout, attr_clock);
  73   } else {
  74     TEST_COMPARE (pthread_cond_clockwait (&cond, &mut, wait_clock, &ts_timeout),
  75                   ETIMEDOUT);
  76     TEST_TIMESPEC_BEFORE_NOW (ts_timeout, wait_clock);
  77   }
  78
  79   xpthread_mutex_unlock (&mut);
  80   xpthread_mutex_destroy (&mut);
  81   TEST_COMPARE (pthread_cond_destroy (&cond), 0);
  82
  83   return 0;
  84 }
  85 #endif
  86
  87
  88 static int
  89 do_test (void)
  90 {
  91 #if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1
  92
  93   FAIL_UNSUPPORTED ("_POSIX_CLOCK_SELECTION not supported, test skipped");
  94
  95 #else
  96
  97   run_test (CLOCK_REALTIME, CLOCK_USE_ATTR_CLOCK);
  98
  99 # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
 100 #  if _POSIX_MONOTONIC_CLOCK == 0
 101   int e = sysconf (_SC_MONOTONIC_CLOCK);
 102   if (e < 0)
 103     puts ("CLOCK_MONOTONIC not supported");
 104   else if (e == 0)
 105       FAIL_RET ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0");
 106   else
 107     {
 108 #  endif
 109       run_test (CLOCK_MONOTONIC, CLOCK_USE_ATTR_CLOCK);
 110       run_test (CLOCK_REALTIME, CLOCK_MONOTONIC);
 111       run_test (CLOCK_MONOTONIC, CLOCK_MONOTONIC);
 112       run_test (CLOCK_MONOTONIC, CLOCK_REALTIME);
 113     }
 114 # else
 115   puts ("_POSIX_MONOTONIC_CLOCK not defined");
 116 # endif
 117
 118   return 0;
 119 #endif
 120 }
 121
 122 #include <support/test-driver.c>