nptl/tst-cond-except.c

   1 /* Verify that exception table for pthread_cond_wait is correct.
   2    Copyright (C) 2012-2017 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 <pthread.h>
  20 #include <stdio.h>
  21 #include <stdint.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24
  25 pthread_mutex_t mutex;
  26 pthread_cond_t cond;
  27
  28 #define CHECK_RETURN_VAL_OR_FAIL(ret,str) \
  29   ({ if ((ret) != 0) \
  30        { \
  31          printf ("%s failed: %s\n", (str), strerror (ret)); \
  32          ret = 1; \
  33          goto out; \
  34        } \
  35   })
  36
  37
  38 void
  39 clean (void *arg)
  40 {
  41   puts ("clean: Unlocking mutex...");
  42   pthread_mutex_unlock ((pthread_mutex_t *) arg);
  43   puts ("clean: Mutex unlocked...");
  44 }
  45
  46 void *
  47 thr (void *arg)
  48 {
  49   int ret = 0;
  50   pthread_mutexattr_t mutexAttr;
  51   ret = pthread_mutexattr_init (&mutexAttr);
  52   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_mutexattr_init");
  53
  54   ret = pthread_mutexattr_setprotocol (&mutexAttr, PTHREAD_PRIO_INHERIT);
  55   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_mutexattr_setprotocol");
  56
  57   ret = pthread_mutex_init (&mutex, &mutexAttr);
  58   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_mutex_init");
  59
  60   ret = pthread_cond_init (&cond, 0);
  61   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_cond_init");
  62
  63   puts ("th: Init done, entering wait...");
  64
  65   pthread_cleanup_push (clean, (void *) &mutex);
  66   ret = pthread_mutex_lock (&mutex);
  67   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_mutex_lock");
  68   while (1)
  69     {
  70       ret = pthread_cond_wait (&cond, &mutex);
  71       CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_cond_wait");
  72     }
  73   pthread_cleanup_pop (1);
  74
  75 out:
  76   return (void *) (uintptr_t) ret;
  77 }
  78
  79 int
  80 do_test (void)
  81 {
  82   pthread_t thread;
  83   int ret = 0;
  84   void *thr_ret = 0;
  85   ret = pthread_create (&thread, 0, thr, &thr_ret);
  86   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_create");
  87
  88   puts ("main: Thread created, waiting a bit...");
  89   sleep (2);
  90
  91   puts ("main: Cancelling thread...");
  92   ret = pthread_cancel (thread);
  93   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_cancel");
  94
  95   puts ("main: Joining th...");
  96   ret = pthread_join (thread, NULL);
  97   CHECK_RETURN_VAL_OR_FAIL (ret, "pthread_join");
  98
  99   if (thr_ret != NULL)
 100     return 1;
 101
 102   puts ("main: Joined thread, done!");
 103
 104 out:
 105   return ret;
 106 }
 107
 108 #define TEST_FUNCTION do_test ()
 109 #define TIMEOUT 5
 110 #include "../test-skeleton.c"