1 /* 2 * Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at) gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <stdio.h> 29 #include <signal.h> 30 #include <unistd.h> 31 32 int 33 main (void) 34 { 35 struct sigaction sa = { 36 .sa_handler = SIG_IGN 37 }; 38 union sigval value = { 39 .sival_ptr = (void *) (unsigned long) 0xdeadbeefbadc0ded 40 }; 41 pid_t pid = getpid(); 42 43 if (sigaction(SIGUSR1, &sa, NULL) == -1) 44 return 77; 45 if (sigqueue(pid, SIGUSR1, value) == -1) 46 return 77; 47 printf("rt_sigqueueinfo(%u, SIGUSR1, {si_signo=SIGUSR1, " 48 "si_code=SI_QUEUE, si_pid=%u, si_uid=%u, " 49 "si_value={int=%d, ptr=%p}}) = 0\n", 50 pid, pid, getuid(), value.sival_int, value.sival_ptr); 51 printf("+++ exited with 0 +++\n"); 52 53 return 0; 54 } 55
