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Added lock/unlock around MAXnetPoller() flush and read calls.

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This commit is contained in:
Ron Sluiter
2010-05-11 20:59:32 +00:00
parent d8b20645d0
commit d4c96a103d
1 changed files with 4 additions and 0 deletions
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motorApp/OmsSrc/drvMAXnetAsyn.cc
+4
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@@ -874,12 +874,16 @@ static void MAXnetPoller(MAXnetController *pController)
waiting may be interrupted by pollEvent */
epicsTimeGetCurrent(&now);
timeToWait = timeout - epicsTimeDiffInSeconds(&now, &loopStart);
pasynManager->lockPort(pController->pasynUserSyncIO);
pController->pasynOctet->flush(pController->octetPvt, pController->pasynUser);
pasynManager->unlockPort(pController->pasynUserSyncIO);
while ( timeToWait > 0){
/* reading with bufferlength 0 and timeout 0.0 triggers a callback and
* poll event if a notification is outstanding */
pasynManager->lockPort(pController->pasynUserSyncIO);
status = pController->pasynOctet->read(pController->octetPvt, pController->pasynUser, inputBuffer,
0, &nRead, &eomReason);
pasynManager->unlockPort(pController->pasynUserSyncIO);
if (epicsEventWaitWithTimeout(pController->pollEventId, pollWait) == epicsEventWaitOK) {
if (motorMAXnetdebug > 3) asynPrint(pController->pasynUser, ASYN_TRACE_FLOW,
"MAXnetPoller wakeup call received\n");