libtests/POSIX/sigprocmask.c

0001 /*
0002  * Copyright (c) 2009 by
0003  * Ralf Corsépius, Ulm, Germany. All rights reserved.
0004  *
0005  * Permission to use, copy, modify, and distribute this software
0006  * is freely granted, provided that this notice is preserved.
0007  */
0008
0009 #ifdef HAVE_CONFIG_H
0010 #include "config.h"
0011 #endif
0012
0013 #include <signal.h>
0014
0015 int main(void)
0016 {
0017   int rc;
0018   sigset_t set1 = { 0 };
0019   sigset_t set2 = { 0 };
0020
0021   rc = sigprocmask(SIG_BLOCK, &set1, &set2);
0022   (void) rc;
0023
0024   rc = sigprocmask(SIG_UNBLOCK, &set1, &set2);
0025   (void) rc;
0026
0027   rc = sigprocmask(SIG_SETMASK, &set1, &set2);
0028
0029   return rc;
0030 }