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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.threads/] [watchthreads.c] - Blame information for rev 840

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Line No. Rev Author Line
1 24 jeremybenn
/* This testcase is part of GDB, the GNU debugger.
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   Copyright 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
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   This file is copied from schedlock.c.  */
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <pthread.h>
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void *thread_function(void *arg); /* Pointer to function executed by each thread */
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#define NUM 5
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unsigned int args[NUM+1];
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int main() {
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    int res;
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    pthread_t threads[NUM];
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    void *thread_result;
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    long i;
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    for (i = 0; i < NUM; i++)
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      {
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        args[i] = 1; /* Init value.  */
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        res = pthread_create(&threads[i],
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                             NULL,
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                             thread_function,
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                             (void *) i);
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      }
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    args[i] = 1;
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    thread_function ((void *) i);
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    exit(EXIT_SUCCESS);
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}
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void *thread_function(void *arg) {
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    int my_number =  (long) arg;
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    int *myp = (int *) &args[my_number];
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    /* Don't run forever.  Run just short of it :)  */
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    while (*myp > 0)
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      {
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        (*myp) ++; usleep (1);  /* Loop increment.  */
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      }
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    pthread_exit(NULL);
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}
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