1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2010-2020 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program 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 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <signal.h> 19 #include <assert.h> 20 #include <string.h> 21 #include <unistd.h> 22 23 #ifndef SA_SIGINFO 24 # error "SA_SIGINFO is required for this test" 25 #endif 26 27 static int 28 callme (void) 29 { 30 return 42; 31 } 32 33 static int 34 pass (void) 35 { 36 return 1; 37 } 38 39 static int 40 fail (void) 41 { 42 return 1; 43 } 44 45 static void 46 handler (int sig, siginfo_t *siginfo, void *context) 47 { 48 assert (sig == SIGUSR1); 49 assert (siginfo->si_signo == SIGUSR1); 50 if (siginfo->si_pid == getpid ()) 51 pass (); 52 else 53 fail (); 54 } 55 56 int 57 main (void) 58 { 59 struct sigaction sa; 60 int i; 61 62 callme (); 63 64 memset (&sa, 0, sizeof (sa)); 65 sa.sa_sigaction = handler; 66 sa.sa_flags = SA_SIGINFO; 67 68 i = sigemptyset (&sa.sa_mask); 69 assert (i == 0); 70 71 i = sigaction (SIGUSR1, &sa, NULL); 72 assert (i == 0); 73 74 i = raise (SIGUSR1); 75 assert (i == 0); 76 77 sleep (600); 78 return 0; 79 } 80