/* holder: open a device node and hold it open forever (pause loop).
 * Used to keep an evdev client (and thus ums_ev_open / the intr xfer)
 * active across a device unplug. Usage: holdopen <path> */
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <signal.h>

int main(int argc, char **argv)
{
	int fd;

	if (argc != 2)
		return (2);
	fd = open(argv[1], O_RDONLY);
	if (fd < 0) {
		perror("open");
		return (1);
	}
	fprintf(stderr, "holding %s fd=%d pid=%d\n", argv[1], fd, getpid());
	fflush(stderr);
	for (;;)
		pause();
	return (0);
}