epics/pcas
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improved client scedualing fro fdManager based apps

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This commit is contained in:
Jeff Hill
2003-02-20 17:27:04 +00:00
parent 077fe6e1f3
commit 3f680362bb
11 changed files with 353 additions and 217 deletions
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49
src/ca/cac.cpp
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@@ -625,7 +625,7 @@ bool cac::lookupChannelAndTransferToTCP (
}
if ( newIIU ) {
piiu->start ( cbGuard );
piiu->start ();
}
return true;
@@ -1497,16 +1497,6 @@ void cac::selfTest () const
this->beaconTable.verify ();
}
void cac::notifyNewFD ( epicsGuard < callbackMutex > &, SOCKET sock ) const
{
this->notify.fdWasCreated ( sock );
}
void cac::notifyDestroyFD ( epicsGuard < callbackMutex > &, SOCKET sock ) const
{
this->notify.fdWasDestroyed ( sock );
}
void cac::disconnectNotify ( tcpiiu & iiu )
{
epicsGuard < cacMutex > guard ( this->mutex );
@@ -1620,34 +1610,15 @@ void cac::pvMultiplyDefinedNotify ( msgForMultiplyDefinedPV & mfmdpv,
void cac::waitUntilNoRecvThreadsPending ()
{
if ( ! this->preemptiveCallbackEnabled ) {
{
fd_set mask;
FD_ZERO ( & mask );
SOCKET maxFD = 0;
epicsGuard < cacMutex > guard ( this->mutex );
tsDLIter < tcpiiu > iter = this->serverList.firstIter ();
if ( this->pudpiiu ) {
this->pudpiiu->fdMaskSet ( mask, maxFD );
}
while ( iter.valid() ) {
iter->fdMaskSet ( mask, maxFD );
iter++;
}
struct timeval delay = { 0, 0 };
int status = select ( maxFD+1, & mask, 0, 0, & delay );
if ( status <= 0 ) {
return;
}
this->nRecvThreadsPending =
static_cast < unsigned > ( status );
epicsGuard < cacMutex > guard ( this->mutex );
while ( this->nRecvThreadsPending > 0 ) {
epicsGuardRelease < cacMutex > unguard ( guard );
this->recvThreadActivityComplete.wait ( 30.0 );
}
this->recvThreadActivityComplete.wait ( 0.1 );
}
}
void cac::signalRecvThreadActivity ()
void cac::messageProcessingCompleteNotify ()
{
if ( ! this->preemptiveCallbackEnabled ) {
bool signalNeeded = false;
@@ -1669,5 +1640,13 @@ void cac::signalRecvThreadActivity ()
}
}
void cac::messageArrivalNotify ()
{
if ( ! this->preemptiveCallbackEnabled ) {
epicsGuard < cacMutex > guard ( this->mutex );
this->nRecvThreadsPending++;
}
this->notify.messageArrivalNotify ();
}