1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2016-2023 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 <unistd.h> 19 #include <stdlib.h> 20 #include <sys/types.h> 21 #include <sys/wait.h> 22 23 /* GDB sets watchpoint here. */ 24 static volatile int __attribute__ ((used)) globalvar; 25 26 /* Whether it's expected that the child exits with a signal, vs 27 exiting normally. GDB sets this. */ 28 static volatile int expect_signaled; 29 30 static void 31 marker (void) 32 { 33 } 34 35 static void 36 child_function (void) 37 { 38 } 39 40 int 41 main (void) 42 { 43 pid_t child; 44 45 child = fork (); 46 if (child == -1) 47 exit (1); 48 else if (child != 0) 49 { 50 int status, ret; 51 52 ret = waitpid (child, &status, 0); 53 if (ret == -1) 54 exit (2); 55 else if (expect_signaled && !WIFSIGNALED (status)) 56 exit (3); 57 else if (!expect_signaled && !WIFEXITED (status)) 58 exit (4); 59 else 60 marker (); 61 } 62 else 63 child_function (); 64 65 exit (0); 66 } 67