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auto mutex release now requires an auto mutex

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This commit is contained in:
Jeff Hill
2002-02-28 00:16:18 +00:00
parent 3d24376430
commit 18e9d2a299
8 changed files with 180 additions and 133 deletions
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107
src/ca/searchTimer.cpp
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@@ -67,31 +67,38 @@ void searchTimer::resetPeriod ( double delayToNextTry )
{
bool start;
// upper bound
double newPeriod = this->roundTripDelayEstimate * 2.0;
if ( newPeriod > initialRoundTripEstimate * 2.0 ) {
newPeriod = initialRoundTripEstimate * 2.0;
}
// lower bound
if ( newPeriod < minSearchPeriod ) {
newPeriod = minSearchPeriod;
}
this->retry = 0;
if ( this->iiu.channelCount() > 0 ) {
if ( ! this->active ) {
this->active = true;
this->noDelay = ( delayToNextTry == 0.0 );
start = true;
{
epicsAutoMutex locker ( this->mutex );
// upper bound
double newPeriod = this->roundTripDelayEstimate * 2.0;
if ( newPeriod > initialRoundTripEstimate * 2.0 ) {
newPeriod = initialRoundTripEstimate * 2.0;
}
else if ( this->period > newPeriod ) {
double delay = this->timer.getExpireDelay();
if ( delay > newPeriod ) {
// lower bound
if ( newPeriod < minSearchPeriod ) {
newPeriod = minSearchPeriod;
}
this->retry = 0;
if ( this->iiu.channelCount() > 0 ) {
if ( ! this->active ) {
this->active = true;
this->noDelay = ( delayToNextTry == 0.0 );
delayToNextTry = newPeriod;
start = true;
}
else if ( this->period > newPeriod ) {
double delay = this->timer.getExpireDelay();
if ( delay > newPeriod ) {
this->active = true;
this->noDelay = ( delayToNextTry == 0.0 );
delayToNextTry = newPeriod;
start = true;
}
else {
start = false;
}
}
else {
start = false;
}
@@ -99,15 +106,11 @@ void searchTimer::resetPeriod ( double delayToNextTry )
else {
start = false;
}
}
else {
start = false;
}
this->period = newPeriod;
this->period = newPeriod;
}
if ( start ) {
epicsAutoMutexRelease autoRelease ( this->mutex );
this->timer.start ( *this, delayToNextTry );
// debugPrintf ( ("rescheduled search timer for completion in %f sec\n", delayToNextTry) );
}
@@ -115,6 +118,7 @@ void searchTimer::resetPeriod ( double delayToNextTry )
/*
* searchTimer::setRetryInterval ()
* (lock must be applied)
*/
void searchTimer::setRetryInterval ( unsigned retryNo )
{
@@ -152,35 +156,38 @@ void searchTimer::notifySearchResponse ( unsigned short retrySeqNoIn,
{
bool reschedualNeeded;
if ( this->retrySeqAtPassBegin <= retrySeqNoIn ) {
if ( this->searchResponses < UINT_MAX ) {
this->searchResponses++;
{
epicsAutoMutex locker ( this->mutex );
if ( this->retrySeqAtPassBegin <= retrySeqNoIn ) {
if ( this->searchResponses < UINT_MAX ) {
this->searchResponses++;
}
}
if ( retrySeqNoIn == this->retrySeqNo && ! this->noDelay ) {
double curRTT = currentTime - this->timeAtLastRetry;
this->roundTripDelayEstimate =
( this->roundTripDelayEstimate + curRTT ) / 2.0;
this->period = this->roundTripDelayEstimate * 2.0;
this->period = tsMin ( maxSearchPeriod, this->period );
this->period = tsMax ( minSearchPeriod, this->period );
reschedualNeeded = true;
this->active = true;
this->noDelay = true;
}
}
if ( retrySeqNoIn == this->retrySeqNo && ! this->noDelay ) {
double curRTT = currentTime - this->timeAtLastRetry;
this->roundTripDelayEstimate =
( this->roundTripDelayEstimate + curRTT ) / 2.0;
this->period = this->roundTripDelayEstimate * 2.0;
this->period = tsMin ( maxSearchPeriod, this->period );
this->period = tsMax ( minSearchPeriod, this->period );
reschedualNeeded = true;
this->active = true;
this->noDelay = true;
}
if ( this->searchResponses == this->searchAttempts ) {
reschedualNeeded = true;
this->active = true;
this->noDelay = true;
}
else {
reschedualNeeded = false;
if ( this->searchResponses == this->searchAttempts ) {
reschedualNeeded = true;
this->active = true;
this->noDelay = true;
}
else {
reschedualNeeded = false;
}
}
if ( reschedualNeeded ) {
epicsAutoMutexRelease autoRelease (this->mutex );
# if defined(DEBUG) && 0
char buf[64];
epicsTime ts = epicsTime::getCurrent();