1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2020 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/* Support program for testing handling of inferior function calls 19 in the presence of signals. */ 20 21#include <signal.h> 22#include <unistd.h> 23 24void 25handle_signal (int sig) 26{ 27} 28 29void 30gen_signal () 31{ 32 /* According to sigall.exp, SIGABRT is always supported. */ 33 kill (getpid (), SIGABRT); 34} 35 36/* Easy place to set a breakpoint. */ 37 38void 39stop_one () 40{ 41} 42 43void 44stop_two () 45{ 46} 47 48void 49null_hand_call () 50{ 51} 52 53int 54main () 55{ 56#ifdef SIG_SETMASK 57 /* Ensure all the signals aren't blocked. 58 The environment in which the testsuite is run may have blocked some 59 for whatever reason. */ 60 { 61 sigset_t newset; 62 sigemptyset (&newset); 63 sigprocmask (SIG_SETMASK, &newset, NULL); 64 } 65#endif 66 67 signal (SIGABRT, handle_signal); 68 69 /* Stop here so we can hand-call gen_signal. */ 70 stop_one (); 71 72 /* When we're resumed stop here. */ 73 stop_two (); 74 75 /* When we're resumed we generate a signal ourselves. */ 76 gen_signal (); 77 78 return 0; 79} 80