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/* $OpenBSD: rlim-file.c,v 1.4 2014/05/20 01:25:24 guenther Exp $ */
/*
* Written by Artur Grabowski <art@openbsd.org> (2002) Public Domain.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <err.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
int
main(int argc, char *argv[])
{
int lim, fd, fds[2];
struct rlimit rl;
if (getrlimit(RLIMIT_NOFILE, &rl) < 0)
err(1, "getrlimit");
lim = rl.rlim_cur;
fd = -1;
while (fd < lim - 2)
if ((fd = open("/dev/null", O_RDONLY)) < 0)
err(1, "open");
if (pipe(fds) == 0)
errx(1, "pipe was allowed");
if (errno == ENFILE)
errx(1, "try to do the test on a less loaded system");
if (errno != EMFILE)
err(1, "bad errno (%d)", errno);
return 0;
}
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