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1 /* This testcase is part of GDB, the GNU debugger. | 1 /* This testcase is part of GDB, the GNU debugger. |
2 | 2 |
3 Copyright 2008-2012 Free Software Foundation, Inc. | 3 Copyright 2010-2012 Free Software Foundation, Inc. |
4 | 4 |
5 This program is free software; you can redistribute it and/or modify | 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 | 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 | 7 the Free Software Foundation; either version 3 of the License, or |
8 (at your option) any later version. | 8 (at your option) any later version. |
9 | 9 |
10 This program is distributed in the hope that it will be useful, | 10 This program is distributed in the hope that it will be useful, |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 GNU General Public License for more details. | 13 GNU General Public License for more details. |
14 | 14 |
15 You should have received a copy of the GNU General Public License | 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/>. */ | 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
17 | 17 |
18 #include <pthread.h> | 18 #include <pthread.h> |
19 #include <assert.h> | 19 #include <assert.h> |
| 20 #include <signal.h> |
| 21 |
| 22 #include <asm/unistd.h> |
20 #include <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 } |
21 | 35 |
22 static void * | 36 static void * |
23 start (void *arg) | 37 start (void *arg) |
24 { | 38 { |
| 39 tgkill (getpid (), gettid (), SIGUSR1); |
25 assert (0); | 40 assert (0); |
26 return arg; | 41 return NULL; |
27 } | 42 } |
28 | 43 |
29 int main(void) | 44 int |
| 45 main (void) |
30 { | 46 { |
31 pthread_t thread; | 47 pthread_t thread; |
32 int i; | |
33 | 48 |
34 switch (fork ()) | 49 signal (SIGUSR1, handler); |
35 { | |
36 case -1: | |
37 assert (0); | |
38 default: | |
39 break; | |
40 case 0: | |
41 i = pthread_create (&thread, NULL, start, NULL); | |
42 assert (i == 0); | |
43 i = pthread_join (thread, NULL); | |
44 assert (i == 0); | |
45 | 50 |
46 assert (0); | 51 pthread_create (&thread, NULL, start, NULL); |
47 } | 52 start (NULL);»/* main-start */ |
48 | |
49 return 0; | 53 return 0; |
50 } | 54 } |
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