Test for correct enforcement of file rlimits (with a small twist).

2 files changed, 38 insertions, 0 deletions

diff --git a/regress/sys/kern/rlimit-file/Makefile b/regress/sys/kern/rlimit-file/Makefile
new file mode 100644
index 00000000000..0bf3447a702
--- /dev/null
+++ b/regress/sys/kern/rlimit-file/Makefile
@@ -0,0 +1,5 @@
+#	$OpenBSD: Makefile,v 1.1 2002/02/05 16:19:49 art Exp $
+
+PROG=	rlim-file
+
+.include <bsd.regress.mk>
diff --git a/regress/sys/kern/rlimit-file/rlim-file.c b/regress/sys/kern/rlimit-file/rlim-file.c
new file mode 100644
index 00000000000..183c2b64966
--- /dev/null
+++ b/regress/sys/kern/rlimit-file/rlim-file.c
@@ -0,0 +1,33 @@
+/*	$OpenBSD: rlim-file.c,v 1.1 2002/02/05 16:19:49 art 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>
+
+int
+main()
+{
+	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");
+
+	return 0;
+}
+