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e5ef252a PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright 2010-2014 Free Software Foundation, Inc. |
e5ef252a 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 | #include <pthread.h> | |
19 | #include <assert.h> | |
20 | #include <signal.h> | |
21 | ||
22 | #include <asm/unistd.h> | |
23 | #include <unistd.h> | |
24 | #define tgkill(tgid, tid, sig) syscall (__NR_tgkill, (tgid), (tid), (sig)) | |
25 | #define gettid() syscall (__NR_gettid) | |
26 | ||
27 | static volatile int var; | |
28 | ||
29 | static void | |
30 | handler (int signo) /* step-0 */ | |
31 | { /* step-0 */ | |
32 | var++; /* step-1 */ | |
33 | tgkill (getpid (), gettid (), SIGUSR1); /* step-2 */ | |
34 | } | |
35 | ||
36 | static void * | |
37 | start (void *arg) | |
38 | { | |
39 | tgkill (getpid (), gettid (), SIGUSR1); | |
40 | assert (0); | |
41 | return NULL; | |
42 | } | |
43 | ||
44 | int | |
45 | main (void) | |
46 | { | |
47 | pthread_t thread; | |
48 | ||
49 | signal (SIGUSR1, handler); | |
50 | ||
51 | pthread_create (&thread, NULL, start, NULL); | |
52 | start (NULL); /* main-start */ | |
53 | return 0; | |
54 | } |