nptl/tst-tls4.c

   1 /* Copyright (C) 2003-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <dlfcn.h>
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <stdint.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26
  27 #define N 3
  28
  29 void (*test1) (void), (*test2) (void);
  30
  31 pthread_barrier_t b2, b3;
  32
  33 static void *
  34 tf (void *arg)
  35 {
  36   int i;
  37
  38   for (i = 0; i <= (uintptr_t) arg; ++i)
  39     {
  40       int r = pthread_barrier_wait (&b3);
  41       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  42         {
  43           puts ("tf: barrier_wait failed");
  44           exit (1);
  45         }
  46     }
  47
  48   test1 ();
  49
  50   for (i = 0; i < 3; ++i)
  51     {
  52       int r = pthread_barrier_wait (&b3);
  53       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  54         {
  55           puts ("tf: barrier_wait failed");
  56           exit (1);
  57         }
  58     }
  59
  60   test2 ();
  61
  62   for (i = 0; i < 3 - (uintptr_t) arg; ++i)
  63     {
  64       int r = pthread_barrier_wait (&b3);
  65       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  66         {
  67           puts ("tf: barrier_wait failed");
  68           exit (1);
  69         }
  70     }
  71
  72   return NULL;
  73 }
  74
  75 static void *
  76 tf2 (void *arg)
  77 {
  78   int r = pthread_barrier_wait (&b2);
  79   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  80     {
  81       puts ("tf2: barrier_wait failed");
  82       exit (1);
  83     }
  84
  85   int i;
  86   for (i = 0; i < N; ++i)
  87     tf (arg);
  88   return NULL;
  89 }
  90
  91 int
  92 do_test (void)
  93 {
  94   pthread_t th[2];
  95   const char *modules[N]
  96     = { "tst-tls4moda.so", "tst-tls4moda.so", "tst-tls4modb.so" };
  97
  98   if (pthread_barrier_init (&b2, NULL, 2) != 0)
  99     {
 100       puts ("barrier_init failed");
 101       return 1;
 102     }
 103
 104   if (pthread_barrier_init (&b3, NULL, 3) != 0)
 105     {
 106       puts ("barrier_init failed");
 107       return 1;
 108     }
 109
 110   if (pthread_create (&th[0], NULL, tf2, (void *) (uintptr_t) 1))
 111     {
 112       puts ("pthread_create failed");
 113       return 1;
 114     }
 115
 116   int r = pthread_barrier_wait (&b2);
 117   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 118     {
 119       puts ("barrier_wait failed");
 120       return 1;
 121     }
 122
 123   int i;
 124   for (i = 0; i < N; ++i)
 125     {
 126       void *h = dlopen (modules[i], RTLD_LAZY);
 127       if (h == NULL)
 128         {
 129           printf ("dlopen failed %s\n", dlerror ());
 130           return 1;
 131         }
 132
 133       test1 = dlsym (h, "test1");
 134       if (test1 == NULL)
 135         {
 136           printf ("dlsym for test1 failed %s\n", dlerror ());
 137           return 1;
 138         }
 139
 140       test2 = dlsym (h, "test2");
 141       if (test2 == NULL)
 142         {
 143           printf ("dlsym for test2 failed %s\n", dlerror ());
 144           return 1;
 145         }
 146
 147       if (pthread_create (&th[1], NULL, tf, (void *) (uintptr_t) 2))
 148         {
 149           puts ("pthread_create failed");
 150           return 1;
 151         }
 152
 153       tf ((void *) (uintptr_t) 0);
 154
 155       if (pthread_join (th[1], NULL) != 0)
 156         {
 157           puts ("join failed");
 158           return 1;
 159         }
 160
 161       if (dlclose (h))
 162         {
 163           puts ("dlclose failed");
 164           return 1;
 165         }
 166
 167       printf ("test %d with %s succeeded\n", i, modules[i]);
 168     }
 169
 170   if (pthread_join (th[0], NULL) != 0)
 171     {
 172       puts ("join failed");
 173       return 1;
 174     }
 175
 176   return 0;
 177 }
 178
 179 #define TIMEOUT 5
 180 #define TEST_FUNCTION do_test ()
 181 #include "../test-skeleton.c"