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/*
* tst-syslogd.c - tests concurrent threads calling syslog
*
* build with: gcc -Wall tst-syslogd.c -lpthread
*/
#include <stdio.h>
#include <pthread.h>
#include <syslog.h>
#include <unistd.h>
void *log_func(void *arg)
{
int i;
int thrid = (int)arg;
openlog(NULL, LOG_PERROR | LOG_PID, LOG_USER);
for (i = 0; i < 10; i++) {
syslog(LOG_DEBUG, "thread %i iter %i\n", thrid, i);
sleep(thrid); /* this mixes things up a bit */
}
closelog();
return NULL;
}
int main(int argc, char **argv)
{
pthread_t thr1, thr2, thr3;
int id1 = 1;
int id2 = 2;
int id3 = 3;
pthread_create(&thr1, NULL, log_func, (void *)id1);
pthread_create(&thr2, NULL, log_func, (void *)id2);
pthread_create(&thr3, NULL, log_func, (void *)id3);
pthread_join(thr1, NULL);
pthread_join(thr2, NULL);
pthread_join(thr3, NULL);
return 0;
}
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