mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2010-2014 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <pthread.h>
|
|
#include <assert.h>
|
|
#include <signal.h>
|
|
|
|
#include <asm/unistd.h>
|
|
#include <unistd.h>
|
|
#define tgkill(tgid, tid, sig) syscall (__NR_tgkill, (tgid), (tid), (sig))
|
|
#define gettid() syscall (__NR_gettid)
|
|
|
|
static volatile int var;
|
|
|
|
static void
|
|
handler (int signo) /* step-0 */
|
|
{ /* step-0 */
|
|
var++; /* step-1 */
|
|
tgkill (getpid (), gettid (), SIGUSR1); /* step-2 */
|
|
}
|
|
|
|
static void *
|
|
start (void *arg)
|
|
{
|
|
tgkill (getpid (), gettid (), SIGUSR1);
|
|
assert (0);
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
pthread_t thread;
|
|
|
|
signal (SIGUSR1, handler);
|
|
|
|
pthread_create (&thread, NULL, start, NULL);
|
|
start (NULL); /* main-start */
|
|
return 0;
|
|
}
|