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1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
1d506c26 | 3 | Copyright 2017-2024 Free Software Foundation, Inc. |
e671cd59 PA |
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 | /* This program is intended to be started outside of gdb, and then | |
19 | attached to by gdb. It loops for a while, but not forever. */ | |
20 | ||
21 | #include <unistd.h> | |
22 | #include <stdio.h> | |
23 | #include <sys/types.h> | |
24 | #include <termios.h> | |
25 | #include <unistd.h> | |
26 | #include <signal.h> | |
27 | ||
28 | int | |
29 | main () | |
30 | { | |
31 | /* In case we inherit SIG_IGN. */ | |
32 | signal (SIGTTOU, SIG_DFL); | |
33 | ||
077cad8e | 34 | alarm (240); |
e671cd59 PA |
35 | |
36 | int count = 0; | |
37 | while (1) | |
38 | { | |
39 | struct termios termios; | |
40 | ||
41 | printf ("pid=%ld, count=%d\n", (long) getpid (), count++); | |
42 | ||
43 | /* This generates a SIGTTOU if our progress group is not in the | |
44 | foreground. */ | |
45 | tcgetattr (0, &termios); | |
46 | tcsetattr (0, TCSANOW, &termios); | |
47 | ||
48 | usleep (100000); | |
49 | } | |
50 | ||
51 | return 0; | |
52 | } |