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increase sleep time on idling

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Maxim.Mossienko
2013-01-22 12:32:14 +01:00
parent b61eaeed4f
commit 8f78690c51
1 changed files with 22 additions and 1 deletions
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platform/util/src/com/intellij/util/io/BaseOutputReader.java
+22 -1
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@@ -57,6 +57,13 @@ public abstract class BaseOutputReader {
protected void doRun() {
try {
final int sleepTimeWhenRead = 1;
final int initialSleepTimeWhenIdle = 5;
final int maxSleepTimeWhenIdle = 200;
final int maxIterationsWithCurrentSleepTime = 50;
int iterationsWithCurrentTime = 0;
int currentSleepTime = initialSleepTimeWhenIdle;
while (true) {
boolean read = readAvailable();
@@ -64,7 +71,21 @@ public abstract class BaseOutputReader {
break;
}
TimeoutUtil.sleep(read ? 1 : 5); // give other threads a chance
// give other threads a chance
if (read) currentSleepTime = sleepTimeWhenRead;
else if (currentSleepTime == sleepTimeWhenRead) {
currentSleepTime = initialSleepTimeWhenIdle;
iterationsWithCurrentTime = 0;
}
else {
++iterationsWithCurrentTime;
if (iterationsWithCurrentTime == maxIterationsWithCurrentSleepTime) {
iterationsWithCurrentTime = 0;
currentSleepTime = Math.min(2* currentSleepTime, maxSleepTimeWhenIdle);
}
}
TimeoutUtil.sleep(currentSleepTime);
}
}
catch (IOException e) {