nptl/tst-signal5.c

   1 /* Copyright (C) 2003 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <signal.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <sys/mman.h>
  28 #include <sys/wait.h>
  29
  30
  31 static sigset_t ss;
  32
  33
  34 static void *
  35 tf (void *arg)
  36 {
  37   sigset_t ss2;
  38   if (pthread_sigmask (SIG_SETMASK, NULL, &ss2) != 0)
  39     {
  40       puts ("child: sigmask failed");
  41       exit (1);
  42     }
  43
  44   int i;
  45   for (i = 1; i < 32; ++i)
  46     if (sigismember (&ss, i) && ! sigismember (&ss2, i))
  47       {
  48         printf ("signal %d set in parent mask, but not in child\n", i);
  49         exit (1);
  50       }
  51     else if (! sigismember (&ss, i) && sigismember (&ss2, i))
  52       {
  53         printf ("signal %d set in child mask, but not in parent\n", i);
  54         exit (1);
  55       }
  56
  57   return NULL;
  58 }
  59
  60
  61 static int
  62 do_test (void)
  63 {
  64   sigemptyset (&ss);
  65   sigaddset (&ss, SIGUSR1);
  66   if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
  67     {
  68       puts ("1st sigmask failed");
  69       exit (1);
  70     }
  71
  72   pthread_t th;
  73   if (pthread_create (&th, NULL, tf, NULL) != 0)
  74     {
  75       puts ("1st create failed");
  76       exit (1);
  77     }
  78
  79   void *r;
  80   if (pthread_join (th, &r) != 0)
  81     {
  82       puts ("1st join failed");
  83       exit (1);
  84     }
  85
  86   sigemptyset (&ss);
  87   sigaddset (&ss, SIGUSR2);
  88   sigaddset (&ss, SIGFPE);
  89   if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
  90     {
  91       puts ("2nd sigmask failed");
  92       exit (1);
  93     }
  94
  95   if (pthread_create (&th, NULL, tf, NULL) != 0)
  96     {
  97       puts ("2nd create failed");
  98       exit (1);
  99     }
 100
 101   if (pthread_join (th, &r) != 0)
 102     {
 103       puts ("2nd join failed");
 104       exit (1);
 105     }
 106
 107   return 0;
 108 }
 109
 110 #define TEST_FUNCTION do_test ()
 111 #include "../test-skeleton.c"