1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2016 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 /* Check that GDB isn't messing the SIGCHLD mask while creating an 19 inferior. */ 20 21 #include <signal.h> 22 #include <stdlib.h> 23 24 int 25 main () 26 { 27 sigset_t mask; 28 29 sigemptyset (&mask); 30 sigprocmask (SIG_BLOCK, NULL, &mask); 31 32 if (!sigismember (&mask, SIGCHLD)) 33 return 0; /* good, not blocked */ 34 else 35 return 1; /* bad, blocked */ 36 } 37