high throughput multithreaded ca client appl thread could be trapped in lib

[Jeff Hill]

While inspecting the code I see a bug where a high throughput multi-threaded CA client application could get one of its threads trapped inside the ca client library

Original Mantis Bug: mantis-357
    http://www.aps.anl.gov/epics/mantis/view_bug_page.php?f_id=357

[Jeff Hill (johill-lanl)]

I committed this fix

diff -u -b -w -b -r1.154.2.44 tcpiiu.cpp
--- tcpiiu.cpp 17 Jul 2009 21:33:18 -0000 1.154.2.44
+++ tcpiiu.cpp 31 Jul 2009 19:33:03 -0000
@@ -1694,7 +1694,7 @@
     guard.assertIdenticalMutex ( this->mutex );
     assert ( this->blockingForFlush > 0u );
     this->blockingForFlush--;
- if ( this->blockingForFlush == 0 ) {
+ if ( this->blockingForFlush > 0 ) {
         this->flushBlockEvent.signal ();
     }
 }

[Jeff Hill (johill-lanl)]

fixed in R3.14.11

[Andrew Johnson (anj)]

R3.14.11 released.