binutils-gdb/gdb/testsuite/gdb.python/py-evthreads.c

53 lines
1.4 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2010-2017 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 <stdio.h>
#include <pthread.h>
#include <unistd.h>
#include <signal.h>
pthread_t thread2_id;
pthread_t thread3_id;
void* thread3 (void* d)
{
raise (SIGUSR1);
return NULL;
}
void* thread2 (void* d)
{
/* Do not quit thread3 asynchronously wrt thread2 stop - wait first on
thread3_id to stop. It would complicate testcase receiption of the
events. */
pthread_create (&thread3_id, NULL, thread3, NULL); pthread_join (thread3_id, NULL);
return NULL;
}
int main (void)
{
/* Use single line to not to race whether `thread2' breakpoint or `next' over
pthread_create will stop first. */
pthread_create (&thread2_id, NULL, thread2, NULL); pthread_join (thread2_id, NULL);
return 12;
}