tests/concurrency-stress-test.c

   1 /* babl - dynamically extendable universal pixel conversion library.
   2  * Copyright (C) 2009 Martin Nordholts
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 3 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, see
  16  * <https://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include <math.h>
  23 #include <pthread.h>
  24
  25 #include "babl.h"
  26
  27
  28 #define N_THREADS               10
  29 #define N_ITERATIONS_PER_THREAD 100
  30
  31
  32 static void *
  33 babl_fish_path_stress_test_thread_func (void *not_used)
  34 {
  35   int i;
  36
  37   for (i = 0; i < N_ITERATIONS_PER_THREAD; i++)
  38     {
  39       /* Try to get a fish with an as complex conversion path as
  40        * possible
  41        */
  42       const Babl *fish = babl_fish ("R'G'B'A u16", "YA double");
  43
  44       /* Just do something random with the fish */
  45       babl_get_name (fish);
  46     }
  47
  48   return NULL;
  49 }
  50
  51 int
  52 main (void)
  53 {
  54   pthread_t threads[N_THREADS];
  55   int       i;
  56
  57   babl_init ();
  58
  59   /* Run a few threads at the same time */
  60   for (i = 0; i < N_THREADS; i++)
  61     {
  62       pthread_create (&threads[i],
  63                       NULL, /* attr */
  64                       babl_fish_path_stress_test_thread_func,
  65                       NULL /* arg */);
  66      }
  67
  68   /* Wait for them all to finish */
  69   for (i = 0; i < N_THREADS; i++)
  70     {
  71       pthread_join (threads[i],
  72                     NULL /* thread_return */);
  73     }
  74
  75   babl_exit ();
  76
  77   /* If we didn't crash we assume we're OK. We might want to add more
  78    * asserts in the test later
  79    */
  80   return 0;
  81 }