1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2023 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 <unistd.h> 20 #include <string.h> 21 #include <stdio.h> 22 #include <stdlib.h> 23 #ifdef USE_THREADS 24 #include <pthread.h> 25 #endif 26 27 void action(int sig, siginfo_t * info, void *uc) 28 { 29 raise (SIGALRM); 30 } 31 32 static void *func (void *arg) 33 { 34 struct sigaction act; 35 36 memset (&act, 0, sizeof(struct sigaction)); 37 act.sa_sigaction = action; 38 act.sa_flags = SA_RESTART; 39 sigaction (SIGALRM, &act, 0); 40 41 raise (SIGALRM); 42 43 /* We must not get past this point, either in a free standing or debugged 44 state. */ 45 46 abort (); 47 /* NOTREACHED */ 48 return NULL; 49 } 50 51 int main () 52 { 53 54 #ifndef USE_THREADS 55 56 func (NULL); 57 58 #else 59 60 pthread_t th; 61 pthread_create (&th, NULL, func, NULL); 62 pthread_join (th, NULL); 63 64 #endif 65 66 return 0; 67 } 68