test-thread.c

/**
 * Make sure that processes with multiple threads don't have old
 * file descriptor tables freed.
 */ 
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>

void *dupfds()
{
	int i, fd;

	for (i=0; i<64; i++) {
		fd = dup(2);
		if (fd<0) {
			perror("dup");
		}
	}

	pthread_exit(NULL);
}

int main()
{
	pthread_t threads[10];
	int i, res;

	for (i=0;i<10;i++) {
		res = pthread_create(&threads[i], NULL, dupfds, NULL);
	}

	pthread_exit(NULL);
}