From 1ca0a2515416a37acdf0adde8e051fc09edd480b Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 2 Jun 2008 06:23:51 +0000
Subject: [PATCH] Don't use named pipes when we don't need them. Named pipes
 have been reported to cause trouble on some systems. This closes ticket
 #2319.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5272 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 CHANGES             | 1 +
 prog/pwm/fancontrol | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 3b0e561f..5533ef35 100644
--- a/CHANGES
+++ b/CHANGES
@@ -12,6 +12,7 @@ SVN-HEAD
   Module i2c-sis5595: Minor cleanups (2.6 backport)
   Module lm75: Fix an incorrect comment (2.6 backport)
   Module w83l785ts: Don't ask user to report failures (2.6 backport)
+  Program fancontrol: Don't use named pipes when we don't need them (#2319)
   Program sensord: Add lm90, adm1032, lm99, lm86, max6657, adt7461 support
   Program sensors-detect: New device ID for the SMSC SCH5317
                           Add SMSC SCH5127 detection
diff --git a/prog/pwm/fancontrol b/prog/pwm/fancontrol
index b479b5a1..15c084ef 100755
--- a/prog/pwm/fancontrol
+++ b/prog/pwm/fancontrol
@@ -338,7 +338,8 @@ function UpdateFanSpeeds {
 		  then # if fan was stopped start it using a safe value
 		  	echo $minsa > $pwmo
 			# Sleep while still handling signals
-			read < <(exec sleep 1)
+			sleep 1 &
+			wait $!
 		  fi
 		fi
 		echo $pwmval > $pwmo # write new value to pwm output
@@ -376,5 +377,6 @@ while true
 do
 	UpdateFanSpeeds
 	# Sleep while still handling signals
-	read < <(exec sleep $INTERVAL)
+	sleep $INTERVAL &
+	wait $!
 done