From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Sun, 20 Aug 2017 19:25:45 +0000 (+0530)
Subject: Limit max open fds to 20K.
X-Git-Tag: v1.4~52
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=be77094235269c0c95f0459535c20ba68c8845bf;p=nnn.git

Limit max open fds to 20K.
---

diff --git a/nnn.c b/nnn.c
index 4605d191..4199feea 100644
--- a/nnn.c
+++ b/nnn.c
@@ -246,10 +246,16 @@ max_openfds()
 	rl.rlim_cur = rl.rlim_max;
 
 	/* Return ~75% of max possible */
-	if (setrlimit(RLIMIT_NOFILE, &rl) == 0)
-		return (rl.rlim_max - (rl.rlim_max >> 2));
+	if (setrlimit(RLIMIT_NOFILE, &rl) == 0) {
+		limit = rl.rlim_max - (rl.rlim_max >> 2);
+		/*
+		 * 20K is arbitrary> If the limit is set to max possible
+		 * value, the memory usage increases to more than double.
+		 */
+		return limit > 20480 ?  20480 : limit;
+	}
 
-	return 32;
+	return limit;
 }
 
 /*