gdb/testsuite/gdb.arch/arm-pthread_cond_timedwait-bt.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2023-2024 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <sys/time.h>
  20 #include <unistd.h>
  21 #include <assert.h>
  22
  23 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
  24 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  25
  26 static void *fun(void *arg)
  27 {
  28   struct timeval now;
  29   struct timespec until;
  30   int err;
  31
  32   err = gettimeofday(&now, NULL);
  33   assert(!err);
  34
  35   until.tv_sec = now.tv_sec + 60;
  36   until.tv_nsec = now.tv_usec * 1000UL;
  37
  38   pthread_cond_timedwait(&cond, &mutex, &until);
  39   assert(0);
  40   err = pthread_mutex_unlock(&mutex);
  41   assert(!err);
  42
  43   return arg;
  44 }
  45
  46 void breakhere()
  47 {
  48 }
  49
  50 int main()
  51 {
  52   pthread_t thread;
  53   void *ret;
  54   int err;
  55
  56   err = pthread_mutex_lock(&mutex);
  57   assert(!err);
  58   err = pthread_create(&thread, NULL, fun, NULL);
  59   assert(!err);
  60   err = pthread_mutex_lock(&mutex);
  61   assert(!err);
  62   breakhere();
  63   err = pthread_join(thread, &ret);
  64   assert(0);
  65
  66   return 0;
  67 }