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/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/wait.h>
static sigset_t ss;
static void *
tf (void *arg)
{
sigset_t ss2;
if (pthread_sigmask (SIG_SETMASK, NULL, &ss2) != 0)
{
puts ("child: sigmask failed");
exit (1);
}
int i;
for (i = 1; i < 32; ++i)
if (sigismember (&ss, i) && ! sigismember (&ss2, i))
{
printf ("signal %d set in parent mask, but not in child\n", i);
exit (1);
}
else if (! sigismember (&ss, i) && sigismember (&ss2, i))
{
printf ("signal %d set in child mask, but not in parent\n", i);
exit (1);
}
return NULL;
}
static int
do_test (void)
{
sigemptyset (&ss);
sigaddset (&ss, SIGUSR1);
if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
{
puts ("1st sigmask failed");
exit (1);
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("1st create failed");
exit (1);
}
void *r;
if (pthread_join (th, &r) != 0)
{
puts ("1st join failed");
exit (1);
}
sigemptyset (&ss);
sigaddset (&ss, SIGUSR2);
sigaddset (&ss, SIGFPE);
if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
{
puts ("2nd sigmask failed");
exit (1);
}
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("2nd create failed");
exit (1);
}
if (pthread_join (th, &r) != 0)
{
puts ("2nd join failed");
exit (1);
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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