Double the system idle interval when running in client mode, make it adjustable from the config file.

git-svn-id: http://voip.null.ro/svn/yate@3163 acf43c95-373e-0410-b603-e72c3f656dc1

conf.d/yate.conf.sample

@@ -33,6 +33,11 @@
 ;  of zero disables such warnings
 ;warntime=0
 
+; idlemsec: int: System idle time in milliseconds
+;  Set to zero to use platform default
+;  If not set the platform default is doubled only in client mode
+;idlemsec=
+
 ; wintimer: int: Requested timer resolution in milliseconds (Windows only, does
 ;  not work on 9x and ME). The default resolution depends on hardware, Windows
 ;  version and currently running programs

engine/Engine.cpp

@@ -989,6 +989,7 @@ int Engine::run()
 	    Debug(DebugWarn,"Timer resolution not set: %s",err.c_str());
     }
 #endif
+    Thread::idleMsec(s_cfg.getIntValue("general","idlemsec",(clientMode() ? 2 * Thread::idleMsec() : 0)));
     SysUsage::init();
 
     s_runid = Time::secNow();

engine/Thread.cpp

@@ -51,6 +51,8 @@ static int pthread_attr_setinheritsched(pthread_attr_t *,int) { return 0; }
 #ifndef THREAD_IDLE_MSEC
 #define THREAD_IDLE_MSEC 5
 #endif
+#define THREAD_IDLE_MIN  1
+#define THREAD_IDLE_MAX 20
 
 namespace TelEngine {
 
@@ -132,6 +134,7 @@ static TokenDict s_prio[] = {
     { 0, 0 }
 };
 
+static unsigned long s_idleMs = 1000 * THREAD_IDLE_MSEC;
 static ObjList s_threads;
 static Mutex s_tmutex(true,"Thread");
 
@@ -659,7 +662,7 @@ void Thread::idle(bool exitCheck)
 	Debug(DebugMild,"Thread '%s' idling with %d mutex locks held [%p]",
 	    t->name(),t->locks(),t);
 #endif
-    msleep(THREAD_IDLE_MSEC,exitCheck);
+    msleep(s_idleMs,exitCheck);
 }
 
 void Thread::sleep(unsigned int sec, bool exitCheck)
@@ -702,12 +705,23 @@ void Thread::usleep(unsigned long usec, bool exitCheck)
 
 unsigned long Thread::idleUsec()
 {
-    return THREAD_IDLE_MSEC * 1000;
+    return s_idleMs * 1000;
 }
 
 unsigned long Thread::idleMsec()
 {
-    return THREAD_IDLE_MSEC;
+    return s_idleMs;
+}
+
+void Thread::idleMsec(unsigned long msec)
+{
+    if (msec == 0)
+	msec = THREAD_IDLE_MSEC;
+    else if (msec < THREAD_IDLE_MIN)
+	msec = THREAD_IDLE_MIN;
+    else if (msec > THREAD_IDLE_MAX)
+	msec = THREAD_IDLE_MAX;
+    s_idleMs = msec;
 }
 
 Thread::Priority Thread::priority(const char* name, Thread::Priority defvalue)

yateclass.h

@@ -4620,6 +4620,12 @@ public:
      */
     static unsigned long idleMsec();
 
+    /**
+     * Set the idle sleep interval or reset to platform default
+     * @param msec Sleep interval in milliseconds, platform default if zero
+     */
+    static void idleMsec(unsigned long msec);
+
     /**
      * Get a pointer to the currently running thread
      * @return A pointer to the current thread or NULL for the main thread