Commit | Line | Data |
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8cf6e61a | 1 | /* Test program for non-stop debugging. |
618f726f | 2 | Copyright 1996-2016 Free Software Foundation, Inc. |
8cf6e61a VP |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
21 | #include <pthread.h> | |
37bc665e | 22 | #include <unistd.h> |
8cf6e61a | 23 | |
8cf6e61a VP |
24 | int exit_first_thread = 0; |
25 | ||
26 | void break_at_me (int id, int i) | |
27 | { | |
28 | } | |
29 | ||
30 | void * | |
31 | worker (void *arg) | |
32 | { | |
80f73d71 | 33 | int id = *(int *)arg; |
8cf6e61a VP |
34 | int i = 0; |
35 | ||
36 | /* When gdb is running, it sets hidden breakpoints in the thread | |
37 | library. The signals caused by these hidden breakpoints can | |
38 | cause system calls such as 'sleep' to return early. Pay attention | |
39 | to the return value from 'sleep' to get the full sleep. */ | |
40 | for (;;++i) | |
41 | { | |
42 | int unslept = 1; | |
43 | while (unslept > 0) | |
44 | unslept = sleep (unslept); | |
45 | ||
46 | if (exit_first_thread && id == 0) | |
41f1ada5 | 47 | return NULL; |
8cf6e61a VP |
48 | |
49 | break_at_me (id, i); | |
50 | } | |
51 | } | |
52 | ||
53 | pthread_t | |
54 | create_thread (int id) | |
55 | { | |
56 | pthread_t tid; | |
80f73d71 VP |
57 | /* This memory will be leaked, we don't care for a test. */ |
58 | int *id2 = malloc (sizeof (int)); | |
59 | *id2 = id; | |
8cf6e61a | 60 | |
3ca22649 | 61 | if (pthread_create (&tid, NULL, worker, (void *) id2)) |
8cf6e61a VP |
62 | { |
63 | perror ("pthread_create 1"); | |
64 | exit (1); | |
65 | } | |
66 | return tid; | |
67 | } | |
68 | ||
69 | int | |
70 | main (int argc, char *argv[]) | |
71 | { | |
72 | pthread_t tid; | |
73 | create_thread (0); | |
74 | sleep (1); | |
75 | tid = create_thread (1); | |
76 | pthread_join (tid, NULL); | |
77 | ||
78 | return 0; | |
79 | } | |
80 |