test/inet: Add tst-sock-nonblock

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

test/.gitignore

@@ -47,6 +47,7 @@ inet/tst-ethers
 inet/tst-ethers-line
 inet/tst-network
 inet/tst-ntoa
+inet/tst-sock-nonblock
 inet/gethostid
 inet/getnetent
 librt/shmtest

test/inet/tst-sock-nonblock.c

@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4 sts=4: */
+/*
+ * Nonblocking socket 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 <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/fcntl.h>
+
+static int
+do_test(void)
+{
+	int fd, ret, result = 0;
+	struct sockaddr_un sa;
+	char buf;
+
+	fd = socket(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
+	if (fd < 0) {
+		perror("socket()");
+		result = 1;
+	}
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sun_family = AF_UNIX;
+	strcpy(sa.sun_path, "socktest");
+	unlink("socktest");
+	if (bind(fd, (const struct sockaddr *)&sa, sizeof(sa)) < 0) {
+		perror("bind()");
+		result = 1;
+	}
+
+	ret = read(fd, &buf, sizeof(buf));
+	if (ret != -1 || errno != EAGAIN) {
+		error(0, 0, "Nonblocking read returned %d", ret);
+		result = 1;
+	}
+
+	return result;
+}
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"