1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008, 2010, 2011 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 25void 26handle_signal (int sig) 27{ 28} 29 30void 31gen_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 43void 44stop_one () 45{ 46} 47 48void 49stop_two () 50{ 51} 52 53void 54null_hand_call () 55{ 56} 57 58int 59main () 60{ 61#ifdef usestubs 62 set_debug_traps (); 63 breakpoint (); 64#endif 65 66#ifdef SIG_SETMASK 67 /* Ensure all the signals aren't blocked. 68 The environment in which the testsuite is run may have blocked some 69 for whatever reason. */ 70 { 71 sigset_t newset; 72 sigemptyset (&newset); 73 sigprocmask (SIG_SETMASK, &newset, NULL); 74 } 75#endif 76 77 signal (SIGABRT, handle_signal); 78 79 /* Stop here so we can hand-call gen_signal. */ 80 stop_one (); 81 82 /* When we're resumed stop here. */ 83 stop_two (); 84 85 /* When we're resumed we generate a signal ourselves. */ 86 gen_signal (); 87 88 return 0; 89} 90