sysdeps/pthread/tst-pt-tls4.c

   1 /* Copyright (C) 2003-2022 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C 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 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C 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 Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <dlfcn.h>
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <stdint.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25
  26 #define N 3
  27
  28 void (*test1) (void), (*test2) (void);
  29
  30 pthread_barrier_t b2, b3;
  31
  32 static void *
  33 tf (void *arg)
  34 {
  35   int i;
  36
  37   for (i = 0; i <= (uintptr_t) arg; ++i)
  38     {
  39       int r = pthread_barrier_wait (&b3);
  40       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  41         {
  42           puts ("tf: barrier_wait failed");
  43           exit (1);
  44         }
  45     }
  46
  47   test1 ();
  48
  49   for (i = 0; i < 3; ++i)
  50     {
  51       int r = pthread_barrier_wait (&b3);
  52       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  53         {
  54           puts ("tf: barrier_wait failed");
  55           exit (1);
  56         }
  57     }
  58
  59   test2 ();
  60
  61   for (i = 0; i < 3 - (uintptr_t) arg; ++i)
  62     {
  63       int r = pthread_barrier_wait (&b3);
  64       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  65         {
  66           puts ("tf: barrier_wait failed");
  67           exit (1);
  68         }
  69     }
  70
  71   return NULL;
  72 }
  73
  74 static void *
  75 tf2 (void *arg)
  76 {
  77   int r = pthread_barrier_wait (&b2);
  78   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  79     {
  80       puts ("tf2: barrier_wait failed");
  81       exit (1);
  82     }
  83
  84   int i;
  85   for (i = 0; i < N; ++i)
  86     tf (arg);
  87   return NULL;
  88 }
  89
  90 int
  91 do_test (void)
  92 {
  93   pthread_t th[2];
  94   const char *modules[N]
  95     = { "tst-tls4moda.so", "tst-tls4moda.so", "tst-tls4modb.so" };
  96
  97   if (pthread_barrier_init (&b2, NULL, 2) != 0)
  98     {
  99       puts ("barrier_init failed");
 100       return 1;
 101     }
 102
 103   if (pthread_barrier_init (&b3, NULL, 3) != 0)
 104     {
 105       puts ("barrier_init failed");
 106       return 1;
 107     }
 108
 109   if (pthread_create (&th[0], NULL, tf2, (void *) (uintptr_t) 1))
 110     {
 111       puts ("pthread_create failed");
 112       return 1;
 113     }
 114
 115   int r = pthread_barrier_wait (&b2);
 116   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 117     {
 118       puts ("barrier_wait failed");
 119       return 1;
 120     }
 121
 122   int i;
 123   for (i = 0; i < N; ++i)
 124     {
 125       void *h = dlopen (modules[i], RTLD_LAZY);
 126       if (h == NULL)
 127         {
 128           printf ("dlopen failed %s\n", dlerror ());
 129           return 1;
 130         }
 131
 132       test1 = dlsym (h, "test1");
 133       if (test1 == NULL)
 134         {
 135           printf ("dlsym for test1 failed %s\n", dlerror ());
 136           return 1;
 137         }
 138
 139       test2 = dlsym (h, "test2");
 140       if (test2 == NULL)
 141         {
 142           printf ("dlsym for test2 failed %s\n", dlerror ());
 143           return 1;
 144         }
 145
 146       if (pthread_create (&th[1], NULL, tf, (void *) (uintptr_t) 2))
 147         {
 148           puts ("pthread_create failed");
 149           return 1;
 150         }
 151
 152       tf ((void *) (uintptr_t) 0);
 153
 154       if (pthread_join (th[1], NULL) != 0)
 155         {
 156           puts ("join failed");
 157           return 1;
 158         }
 159
 160       if (dlclose (h))
 161         {
 162           puts ("dlclose failed");
 163           return 1;
 164         }
 165
 166       printf ("test %d with %s succeeded\n", i, modules[i]);
 167     }
 168
 169   if (pthread_join (th[0], NULL) != 0)
 170     {
 171       puts ("join failed");
 172       return 1;
 173     }
 174
 175   return 0;
 176 }
 177
 178 #define TEST_FUNCTION do_test ()
 179 #include "../test-skeleton.c"