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8cf6e61a | 1 | /* Test program for non-stop debugging. |
ecd75fc8 | 2 | Copyright 1996-2014 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> | |
22 | ||
23 | /* Under OSF 2.0 & 3.0 and HPUX 10, the second arg of pthread_create | |
24 | is prototyped to be just a "pthread_attr_t", while under Solaris it | |
25 | is a "pthread_attr_t *". Arg! */ | |
26 | ||
27 | #if defined (__osf__) || defined (__hpux__) | |
28 | #define PTHREAD_CREATE_ARG2(arg) arg | |
29 | #define PTHREAD_CREATE_NULL_ARG2 null_attr | |
30 | static pthread_attr_t null_attr; | |
31 | #else | |
32 | #define PTHREAD_CREATE_ARG2(arg) &arg | |
33 | #define PTHREAD_CREATE_NULL_ARG2 NULL | |
34 | #endif | |
35 | ||
36 | int exit_first_thread = 0; | |
37 | ||
38 | void break_at_me (int id, int i) | |
39 | { | |
40 | } | |
41 | ||
42 | void * | |
43 | worker (void *arg) | |
44 | { | |
80f73d71 | 45 | int id = *(int *)arg; |
8cf6e61a VP |
46 | int i = 0; |
47 | ||
48 | /* When gdb is running, it sets hidden breakpoints in the thread | |
49 | library. The signals caused by these hidden breakpoints can | |
50 | cause system calls such as 'sleep' to return early. Pay attention | |
51 | to the return value from 'sleep' to get the full sleep. */ | |
52 | for (;;++i) | |
53 | { | |
54 | int unslept = 1; | |
55 | while (unslept > 0) | |
56 | unslept = sleep (unslept); | |
57 | ||
58 | if (exit_first_thread && id == 0) | |
59 | return; | |
60 | ||
61 | break_at_me (id, i); | |
62 | } | |
63 | } | |
64 | ||
65 | pthread_t | |
66 | create_thread (int id) | |
67 | { | |
68 | pthread_t tid; | |
80f73d71 VP |
69 | /* This memory will be leaked, we don't care for a test. */ |
70 | int *id2 = malloc (sizeof (int)); | |
71 | *id2 = id; | |
8cf6e61a | 72 | |
80f73d71 | 73 | if (pthread_create (&tid, PTHREAD_CREATE_NULL_ARG2, worker, (void *) id2)) |
8cf6e61a VP |
74 | { |
75 | perror ("pthread_create 1"); | |
76 | exit (1); | |
77 | } | |
78 | return tid; | |
79 | } | |
80 | ||
81 | int | |
82 | main (int argc, char *argv[]) | |
83 | { | |
84 | pthread_t tid; | |
85 | create_thread (0); | |
86 | sleep (1); | |
87 | tid = create_thread (1); | |
88 | pthread_join (tid, NULL); | |
89 | ||
90 | return 0; | |
91 | } | |
92 |