test/misc: Add tst-inotify

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

test/.gitignore

@@ -151,6 +151,7 @@ misc/popen
 misc/seek
 misc/sem
 misc/stdarg
+misc/tst-inotify
 misc/tst-scandir
 misc/tst-seekdir
 misc/tst-utmp

test/misc/tst-inotify.c

@@ -0,0 +1,66 @@
+/* vi: set sw=4 ts=4 sts=4: */
+/*
+ * inotify test for uClibc
+ * Copyright (C) 2012 by Kevin Cernekee <cernekee@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <error.h>
+#include <inttypes.h>
+#include <sys/inotify.h>
+#include <sys/fcntl.h>
+
+static int
+do_test(void)
+{
+	int ifd, fd, ret, result = 0;
+	struct inotify_event e;
+	char tfile[] = "/tmp/inotify.XXXXXX";
+
+	fd = mkstemp(tfile);
+	close(fd);
+
+	ifd = inotify_init1(IN_NONBLOCK);
+	if (ifd < 0) {
+		perror("inotify_init1()");
+		result = 1;
+	}
+	if (inotify_add_watch(ifd, tfile, IN_DELETE_SELF) < 0) {
+		perror("inotify_add_watch()");
+		result = 1;
+	}
+
+	/* nonblocking inotify should return immediately with no events */
+	ret = read(ifd, &e, sizeof(e));
+	if (ret != -1 || errno != EAGAIN) {
+		error(0, 0, "first read() returned %d", ret);
+		result = 1;
+	}
+
+	/* generate an event */
+	unlink(tfile);
+
+	/* now check whether our event was seen */
+	ret = read(ifd, &e, sizeof(e));
+	if (ret != sizeof(e)) {
+		error(0, 0, "second read() returned %d", ret);
+		result = 1;
+	}
+
+	if (!(e.mask & IN_DELETE_SELF)) {
+		error(0, 0, "incorrect event mask: %" PRIx32, e.mask);
+		result = 1;
+	}
+
+	return result;
+}
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"