Important Update: (Massive CPU usage improvement)

- Bug fix: Select timeout not constant, reduces to zero
- Only scan FDs if Select event occured
This commit is contained in:
Charl Wentzel
2016-06-02 12:38:47 +02:00
parent 630583bbc6
commit ac34066f30

View File

@@ -160,13 +160,14 @@ bool CSelect::Test()
TSelectHandle ** HandlePtr = NULL; TSelectHandle ** HandlePtr = NULL;
int TestFD = 0; int TestFD = 0;
int Events = 0; int Events = 0;
timeval STimeout = Timeout;
// Set Test sets // Set Test sets
ReadFDS = ReadTestFDS; ReadFDS = ReadTestFDS;
WriteFDS = WriteTestFDS; WriteFDS = WriteTestFDS;
// Perform select // Perform select
Events = select( MaxFD, &ReadFDS, &WriteFDS, (fd_set*)NULL, &Timeout ); Events = select( MaxFD, &ReadFDS, &WriteFDS, (fd_set*)NULL, &STimeout );
if (Events < 0) if (Events < 0)
{ {
LogMessage( dlHigh, "Select: Select operation failed" ); LogMessage( dlHigh, "Select: Select operation failed" );
@@ -174,6 +175,7 @@ bool CSelect::Test()
} }
// Check all descriptors for events // Check all descriptors for events
if (Events) {
Handle = FirstHandle; Handle = FirstHandle;
while (Handle) while (Handle)
{ {
@@ -216,6 +218,7 @@ bool CSelect::Test()
// Next // Next
Handle = Handle->Next; Handle = Handle->Next;
} }
}
// return success // return success
return (bool)Events; return (bool)Events;