From c8a77b86b4f8c91314222a8e12e6e37cf182ee10 Mon Sep 17 00:00:00 2001
From: Toby Goodwin <LibreSoftwareDesign@gmail.com>
Date: Mon, 1 Oct 2012 20:46:40 +0100
Subject: initial commit

---
 nonblock.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 nonblock.c

(limited to 'nonblock.c')

diff --git a/nonblock.c b/nonblock.c
new file mode 100644
index 0000000..dbe31d3
--- /dev/null
+++ b/nonblock.c
@@ -0,0 +1,14 @@
+/* Set stdin to nonblocking. */
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+int main(void) {
+	int flags;
+	flags = fcntl(0, F_GETFL);
+	flags |= O_NONBLOCK;
+	fcntl(0, F_SETFL, (long) flags);
+	flags = read(0, &flags, 1);
+	printf("read returns %d, errno == %d\n", flags, errno);
+	return 0;
+}
-- 
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