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[glibc.git] / nptl / tst-signal5.c
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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.
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.
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.
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. */
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>
31 static sigset_t ss;
34 static void *
35 tf (void *arg)
37 sigset_t ss2;
38 if (pthread_sigmask (SIG_SETMASK, NULL, &ss2) != 0)
40 puts ("child: sigmask failed");
41 exit (1);
44 int i;
45 for (i = 1; i < 32; ++i)
46 if (sigismember (&ss, i) && ! sigismember (&ss2, i))
48 printf ("signal %d set in parent mask, but not in child\n", i);
49 exit (1);
51 else if (! sigismember (&ss, i) && sigismember (&ss2, i))
53 printf ("signal %d set in child mask, but not in parent\n", i);
54 exit (1);
57 return NULL;
61 static int
62 do_test (void)
64 sigemptyset (&ss);
65 sigaddset (&ss, SIGUSR1);
66 if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
68 puts ("1st sigmask failed");
69 exit (1);
72 pthread_t th;
73 if (pthread_create (&th, NULL, tf, NULL) != 0)
75 puts ("1st create failed");
76 exit (1);
79 void *r;
80 if (pthread_join (th, &r) != 0)
82 puts ("1st join failed");
83 exit (1);
86 sigemptyset (&ss);
87 sigaddset (&ss, SIGUSR2);
88 sigaddset (&ss, SIGFPE);
89 if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
91 puts ("2nd sigmask failed");
92 exit (1);
95 if (pthread_create (&th, NULL, tf, NULL) != 0)
97 puts ("2nd create failed");
98 exit (1);
101 if (pthread_join (th, &r) != 0)
103 puts ("2nd join failed");
104 exit (1);
107 return 0;
110 #define TEST_FUNCTION do_test ()
111 #include "../test-skeleton.c"