Remove cmd_delay config option as it seems to be useless

.reniced.yaml.example

@@ -4,9 +4,6 @@ daemon: true
 # PID file for daemon.
 pidfile: /var/run/reniced.pid
 
-# Delay between addition and execution of tasks to task pool, to lower cpu load peaks.
-cmd_delay: 20
-
 # Delay among iterations.
 loop_delay: 5000
 

README.md

@@ -81,6 +81,16 @@ The lower priority value means higher priority and process will eat more io.
 
 RealTime prio is not available for regular users but for root only.
 
+## Note #2 on ionice operation on Mac OS / Darwin
+
+The only working official method for Apple OS is via taskpolicy utility that comes with Mac OS itself. (Unlimited kernel
+API calls requires that calling binary being signed by Apple Inc itself) In context of this program such method is
+inefficient and beacuse of that mostly likely io task policy for mac os will not be implemented.
+
+## *BSD porting help needed :)
+
+Indeed. If you have some time and will to add this functionality PRs are welcome!
+
 ## Special "thanks"
 
 To security assholes that disrupt workflows and make this world worse.

main.go

@@ -157,8 +157,6 @@ func reniced(cnf Config) {
 			if !ok {
 				log.Printf("Unable to add task to pool")
 			}
-
-			time.Sleep(time.Millisecond * time.Duration(cnf.CmdDelay))
 		}
 
 		time.Sleep(time.Millisecond * time.Duration(cnf.LoopDelay))

types.go

@@ -10,9 +10,6 @@ type Config struct {
 	// LoopDelay in milliseconds - whole set of action delay period.
 	LoopDelay int `yaml:"loop_delay,omitempty"`
 
-	// CmdDelay in milliseconds - delay between each change application.
-	CmdDelay int `yaml:"cmd_delay,omitempty"`
-
 	// Whether to print debug info on stdout.
 	Debug bool `yaml:"debug,omitempty"`