From dde1d66ddc3236d076858736fb6faaf06a3c7d8c Mon Sep 17 00:00:00 2001
From: Raghuram Subramani <raghus2247@gmail.com>
Date: Sun, 7 Jul 2024 18:42:35 +0530
Subject: updstream

---
 util.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index cca7c19..51130af 100644
--- a/util.c
+++ b/util.c
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <fcntl.h>
 
 #include "util.h"
 
@@ -33,3 +34,18 @@ ecalloc(size_t nmemb, size_t size)
 		die("calloc:");
 	return p;
 }
+
+int
+fd_set_nonblock(int fd) {
+	int flags = fcntl(fd, F_GETFL);
+    if (flags < 0) {
+		perror("fcntl(F_GETFL):");
+        return -1;
+    }
+    if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0) {
+		perror("fcntl(F_SETFL):");
+		return -1;
+    }
+
+	return 0;
+}
-- 
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