| /* This testcase is part of GDB, the GNU debugger. | |
| Copyright 2023 Free Software Foundation, Inc. | |
| This program is free software; you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation; either version 3 of the License, or | |
| (at your option) any later version. | |
| This program is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| #include <unistd.h> | |
| #include <sys/types.h> | |
| #include <assert.h> | |
| #include <sys/wait.h> | |
| /* This gives the inferior something to do. */ | |
| volatile int global_var = 0; | |
| void | |
| breakpt () | |
| { /* Nothing. */ } | |
| void | |
| do_child_stuff () | |
| { | |
| breakpt (); | |
| ++global_var; | |
| } | |
| void | |
| do_parent_stuff () | |
| { | |
| breakpt (); | |
| ++global_var; | |
| } | |
| void | |
| create_child () | |
| { | |
| int stat; | |
| pid_t wpid; | |
| breakpt (); | |
| pid_t pid = fork (); | |
| assert (pid != -1); | |
| if (pid == 0) | |
| { | |
| /* Child. */ | |
| do_child_stuff (); | |
| return; | |
| } | |
| /* Parent. */ | |
| do_parent_stuff (); | |
| wpid = waitpid (pid, &stat, 0); | |
| assert (wpid == pid); | |
| } | |
| int | |
| main () | |
| { | |
| create_child (); | |
| return 0; | |
| } |