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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/threads/prof1.c */
/*
* Copyright (C) 2004 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <assert.h>
#include <sys/types.h>
#include <time.h>
#include <sys/time.h>
#include <utime.h>
#include <com_err.h>
#include <profile.h>
int nthreads = 10;
unsigned int delay = 3600;
volatile int done = 0; /* XXX hack */
const char *path = "/tmp/foo1.conf:/tmp/foo.conf";
const char *filename = "/tmp/foo.conf";
const char *prog;
static void *worker(void *arg)
{
profile_t p;
long err;
int i;
const char *const names[] = {
"one", "two", "three", 0
};
char **values;
const char *mypath = (random() & 1) ? path : filename;
while (!done) {
err = profile_init_path(mypath, &p);
if (err) {
com_err(prog, err, "calling profile_init(\"%s\")", mypath);
exit(1);
}
for (i = 0; i < 10; i++) {
values = 0;
err = profile_get_values(p, names, &values);
if (err == 0 && values != 0)
profile_free_list(values);
}
profile_release(p);
}
return 0;
}
static void *modifier(void *arg)
{
struct timespec req;
while (!done) {
req.tv_sec = 0;
req.tv_nsec = random() & 499999999;
nanosleep(&req, 0);
utime(filename, 0);
/* printf("."), fflush(stdout); */
}
return 0;
}
int main(int argc, char *argv[])
{
int i;
pthread_t thr;
prog = argv[0];
for (i = 0; i < nthreads; i++) {
assert(0 == pthread_create(&thr, 0, worker, 0));
}
sleep(1);
pthread_create(&thr, 0, modifier, 0);
sleep(delay);
done = 1;
sleep(2);
return 0;
}
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