1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2014 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 /* Support program for testing handling of inferior function calls 19 in the presence of signals. */ 20 21 #include <stdio.h> 22 #include <signal.h> 23 #include <unistd.h> 24 25 void 26 handle_signal (int sig) 27 { 28 } 29 30 void 31 gen_signal () 32 { 33 /* According to sigall.exp, SIGABRT is always supported. */ 34 #ifdef SIGABRT 35 kill (getpid (), SIGABRT); 36 #endif 37 /* If we get here we couldn't generate a signal, tell dejagnu. */ 38 printf ("no signal\n"); 39 } 40 41 /* Easy place to set a breakpoint. */ 42 43 void 44 stop_one () 45 { 46 } 47 48 void 49 stop_two () 50 { 51 } 52 53 void 54 null_hand_call () 55 { 56 } 57 58 int 59 main () 60 { 61 #ifdef SIG_SETMASK 62 /* Ensure all the signals aren't blocked. 63 The environment in which the testsuite is run may have blocked some 64 for whatever reason. */ 65 { 66 sigset_t newset; 67 sigemptyset (&newset); 68 sigprocmask (SIG_SETMASK, &newset, NULL); 69 } 70 #endif 71 72 signal (SIGABRT, handle_signal); 73 74 /* Stop here so we can hand-call gen_signal. */ 75 stop_one (); 76 77 /* When we're resumed stop here. */ 78 stop_two (); 79 80 /* When we're resumed we generate a signal ourselves. */ 81 gen_signal (); 82 83 return 0; 84 } 85