nptl/tst-cancel4-common.c

   1 /* Common file for all tst-cancel4_*
   2
   3    Copyright (C) 2016 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 static int
  21 do_test (void)
  22 {
  23   int val;
  24   socklen_t len;
  25
  26   if (socketpair (AF_UNIX, SOCK_STREAM, PF_UNIX, fds) != 0)
  27     {
  28       perror ("socketpair");
  29       exit (1);
  30     }
  31
  32   val = 1;
  33   len = sizeof(val);
  34   setsockopt (fds[1], SOL_SOCKET, SO_SNDBUF, &val, sizeof(val));
  35   if (getsockopt (fds[1], SOL_SOCKET, SO_SNDBUF, &val, &len) < 0)
  36     {
  37       perror ("getsockopt");
  38       exit (1);
  39     }
  40   if (val >= WRITE_BUFFER_SIZE)
  41     {
  42       puts ("minimum write buffer size too large");
  43       exit (1);
  44     }
  45   setsockopt (fds[1], SOL_SOCKET, SO_SNDBUF, &val, sizeof(val));
  46
  47   if (mktemp (fifoname) == NULL)
  48     {
  49       printf ("%s: cannot generate temp file name: %m\n", __func__);
  50       exit (1);
  51     }
  52
  53   int result = 0;
  54   size_t cnt;
  55   for (cnt = 0; cnt < ntest_tf; ++cnt)
  56     {
  57       if (tests[cnt].only_early)
  58         continue;
  59
  60       if (pthread_barrier_init (&b2, NULL, tests[cnt].nb) != 0)
  61         {
  62           puts ("b2 init failed");
  63           exit (1);
  64         }
  65
  66       /* Reset the counter for the cleanup handler.  */
  67       cl_called = 0;
  68
  69       pthread_t th;
  70       if (pthread_create (&th, NULL, tests[cnt].tf, NULL) != 0)
  71         {
  72           printf ("create for '%s' test failed\n", tests[cnt].name);
  73           result = 1;
  74           continue;
  75         }
  76
  77       int r = pthread_barrier_wait (&b2);
  78       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  79         {
  80           printf ("%s: barrier_wait failed\n", __func__);
  81           result = 1;
  82           continue;
  83         }
  84
  85       struct timespec  ts = { .tv_sec = 0, .tv_nsec = 100000000 };
  86       while (nanosleep (&ts, &ts) != 0)
  87         continue;
  88
  89       if (pthread_cancel (th) != 0)
  90         {
  91           printf ("cancel for '%s' failed\n", tests[cnt].name);
  92           result = 1;
  93           continue;
  94         }
  95
  96       void *status;
  97       if (pthread_join (th, &status) != 0)
  98         {
  99           printf ("join for '%s' failed\n", tests[cnt].name);
 100           result = 1;
 101           continue;
 102         }
 103       if (status != PTHREAD_CANCELED)
 104         {
 105           printf ("thread for '%s' not canceled\n", tests[cnt].name);
 106           result = 1;
 107           continue;
 108         }
 109
 110       if (pthread_barrier_destroy (&b2) != 0)
 111         {
 112           puts ("barrier_destroy failed");
 113           result = 1;
 114           continue;
 115         }
 116
 117       if (cl_called == 0)
 118         {
 119           printf ("cleanup handler not called for '%s'\n", tests[cnt].name);
 120           result = 1;
 121           continue;
 122         }
 123       if (cl_called > 1)
 124         {
 125           printf ("cleanup handler called more than once for '%s'\n",
 126                   tests[cnt].name);
 127           result = 1;
 128           continue;
 129         }
 130
 131       printf ("in-time cancel test of '%s' successful\n", tests[cnt].name);
 132
 133       if (tempfd != -1)
 134         {
 135           close (tempfd);
 136           tempfd = -1;
 137         }
 138       if (tempfd2 != -1)
 139         {
 140           close (tempfd2);
 141           tempfd2 = -1;
 142         }
 143       if (tempfname != NULL)
 144         {
 145           unlink (tempfname);
 146           free (tempfname);
 147           tempfname = NULL;
 148         }
 149       if (tempmsg != -1)
 150         {
 151           msgctl (tempmsg, IPC_RMID, NULL);
 152           tempmsg = -1;
 153         }
 154     }
 155
 156   for (cnt = 0; cnt < ntest_tf; ++cnt)
 157     {
 158       if (pthread_barrier_init (&b2, NULL, tests[cnt].nb) != 0)
 159         {
 160           puts ("b2 init failed");
 161           exit (1);
 162         }
 163
 164       /* Reset the counter for the cleanup handler.  */
 165       cl_called = 0;
 166
 167       pthread_t th;
 168       if (pthread_create (&th, NULL, tests[cnt].tf, (void *) 1l) != 0)
 169         {
 170           printf ("create for '%s' test failed\n", tests[cnt].name);
 171           result = 1;
 172           continue;
 173         }
 174
 175       int r = pthread_barrier_wait (&b2);
 176       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 177         {
 178           printf ("%s: barrier_wait failed\n", __func__);
 179           result = 1;
 180           continue;
 181         }
 182
 183       if (pthread_cancel (th) != 0)
 184         {
 185           printf ("cancel for '%s' failed\n", tests[cnt].name);
 186           result = 1;
 187           continue;
 188         }
 189
 190       r = pthread_barrier_wait (&b2);
 191       if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 192         {
 193           printf ("%s: barrier_wait failed\n", __func__);
 194           result = 1;
 195           continue;
 196         }
 197
 198       void *status;
 199       if (pthread_join (th, &status) != 0)
 200         {
 201           printf ("join for '%s' failed\n", tests[cnt].name);
 202           result = 1;
 203           continue;
 204         }
 205       if (status != PTHREAD_CANCELED)
 206         {
 207           printf ("thread for '%s' not canceled\n", tests[cnt].name);
 208           result = 1;
 209           continue;
 210         }
 211
 212       if (pthread_barrier_destroy (&b2) != 0)
 213         {
 214           puts ("barrier_destroy failed");
 215           result = 1;
 216           continue;
 217         }
 218
 219       if (cl_called == 0)
 220         {
 221           printf ("cleanup handler not called for '%s'\n", tests[cnt].name);
 222           result = 1;
 223           continue;
 224         }
 225       if (cl_called > 1)
 226         {
 227           printf ("cleanup handler called more than once for '%s'\n",
 228                   tests[cnt].name);
 229           result = 1;
 230           continue;
 231         }
 232
 233       printf ("early cancel test of '%s' successful\n", tests[cnt].name);
 234
 235       if (tempfd != -1)
 236         {
 237           close (tempfd);
 238           tempfd = -1;
 239         }
 240       if (tempfd2 != -1)
 241         {
 242           close (tempfd2);
 243           tempfd2 = -1;
 244         }
 245       if (tempfname != NULL)
 246         {
 247           unlink (tempfname);
 248           free (tempfname);
 249           tempfname = NULL;
 250         }
 251       if (tempmsg != -1)
 252         {
 253           msgctl (tempmsg, IPC_RMID, NULL);
 254           tempmsg = -1;
 255         }
 256     }
 257
 258   return result;
 259 }
 260
 261 #define TIMEOUT 60
 262 #define TEST_FUNCTION do_test ()
 263 #include "../test-skeleton.c"