old-cross-binutils/gdb/testsuite/gdb.threads/watchthreads.c
Jeff Johnston e1923096a1 2004-10-12 Jeff Johnston <jjohnstn@redhat.com>
* gdb.threads/schedlock.c: Add comment markers to use to find
        line numbers.
        * gdb.threads/schedlock.exp: Adjust regex to handle the new
        comments.
        * gdb.threads/watchthreads.exp: Use gdb_get_line_number to find
        breakpoint lines.
2004-10-12 22:49:17 +00:00

66 lines
1.7 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2002, 2003, 2004 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
This file is copied from schedlock.c. */
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
void *thread_function(void *arg); /* Pointer to function executed by each thread */
#define NUM 5
unsigned int args[NUM+1];
int main() {
int res;
pthread_t threads[NUM];
void *thread_result;
long i;
for (i = 0; i < NUM; i++)
{
args[i] = 1; /* Init value. */
res = pthread_create(&threads[i],
NULL,
thread_function,
(void *) i);
}
args[i] = 1;
thread_function ((void *) i);
exit(EXIT_SUCCESS);
}
void *thread_function(void *arg) {
int my_number = (long) arg;
int *myp = (int *) &args[my_number];
/* Don't run forever. Run just short of it :) */
while (*myp > 0)
{
(*myp) ++; /* Loop increment. */
}
pthread_exit(NULL);
}