nptl/tst-eintr1.c

   1 /* Copyright (C) 2003-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@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 <errno.h>
  20 #include <pthread.h>
  21 #include <signal.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 static int do_test (void);
  27
  28 #define TEST_FUNCTION do_test ()
  29 #include "../test-skeleton.c"
  30
  31 #include "eintr.c"
  32
  33
  34 static void *
  35 tf2 (void *arg)
  36 {
  37   return arg;
  38 }
  39
  40
  41 static void *
  42 tf1 (void *arg)
  43 {
  44   while (1)
  45     {
  46       pthread_t th;
  47
  48       int e = pthread_create (&th, NULL, tf2, NULL);
  49       if (e != 0)
  50         {
  51           if (e == EINTR)
  52             {
  53               puts ("pthread_create returned EINTR");
  54               exit (1);
  55             }
  56
  57           char buf[100];
  58           printf ("tf1: pthread_create failed: %s\n",
  59                   strerror_r (e, buf, sizeof (buf)));
  60           exit (1);
  61         }
  62
  63       e = pthread_join (th, NULL);
  64       if (e != 0)
  65         {
  66           if (e == EINTR)
  67             {
  68               puts ("pthread_join returned EINTR");
  69               exit (1);
  70             }
  71
  72           char buf[100];
  73           printf ("tf1: pthread_join failed: %s\n",
  74                   strerror_r (e, buf, sizeof (buf)));
  75           exit (1);
  76         }
  77     }
  78 }
  79
  80
  81 static int
  82 do_test (void)
  83 {
  84   setup_eintr (SIGUSR1, NULL);
  85
  86   int i;
  87   for (i = 0; i < 10; ++i)
  88     {
  89       pthread_t th;
  90       int e = pthread_create (&th, NULL, tf1, NULL);
  91       if (e != 0)
  92         {
  93           char buf[100];
  94           printf ("main: pthread_create failed: %s\n",
  95                   strerror_r (e, buf, sizeof (buf)));
  96           exit (1);
  97         }
  98     }
  99
 100   delayed_exit (3);
 101   /* This call must never return.  */
 102   (void) tf1 (NULL);
 103   return 1;
 104 }