gdb.threads/multi-create-ns-info-thr.exp and native-extended-remote board
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.threads / clone-thread_db.c
1 /* This testcase is part of GDB, the GNU debugger.
2
3 Copyright 2015 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 Test that GDB doesn't lose an event for a thread it didn't know
19 about, until an event is reported for it. */
20
21 #define _GNU_SOURCE
22 #include <sched.h>
23 #include <assert.h>
24 #include <stdlib.h>
25 #include <sys/types.h>
26 #include <sys/wait.h>
27
28 #define STACK_SIZE 0x1000
29
30 int clone_pid;
31
32 static int
33 clone_fn (void *unused)
34 {
35 return 0;
36 }
37
38 void *
39 thread_fn (void *arg)
40 {
41 unsigned char *stack;
42 int res;
43
44 stack = malloc (STACK_SIZE);
45 assert (stack != NULL);
46
47 #ifdef __ia64__
48 clone_pid = __clone2 (clone_fn, stack, STACK_SIZE, CLONE_VM, NULL);
49 #else
50 clone_pid = clone (clone_fn, stack + STACK_SIZE, CLONE_VM, NULL);
51 #endif
52
53 assert (clone_pid > 0);
54
55 /* Wait for child. */
56 res = waitpid (clone_pid, NULL, __WCLONE);
57 assert (res != -1);
58
59 return NULL;
60 }
61
62 int
63 main (int argc, char **argv)
64 {
65 pthread_t child;
66
67 alarm (300);
68
69 pthread_create (&child, NULL, thread_fn, NULL);
70 pthread_join (child);
71
72 return 0;
73 }
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