bool IOFWWorkLoop::init( void )
{
bool success = true;
if( success )
{
// create a unique lock group for this instance of the FireWire workloop
// this helps elucidate lock statistics
SInt32 count = OSIncrementAtomic( &sLockGroupCount );
char name[64];
snprintf( name, sizeof(name), "FireWire %d", (int)count );
fLockGroup = lck_grp_alloc_init( name, LCK_GRP_ATTR_NULL );
if( !fLockGroup )
{
success = false;
}
}
if( success )
{
gateLock = IORecursiveLockAllocWithLockGroup( fLockGroup );
}
if( success )
{
fRemoveSourceDeferredSet = OSSet::withCapacity( 1 );
if( fRemoveSourceDeferredSet == NULL )
{
success = false;
}
}
if( success )
{
success = IOWorkLoop::init();
}
return success;
}
bool
SCSIParallelWorkLoop::InitWithLockGroupName ( const char * lockGroupName )
{
bool result = false;
fLockGroup = lck_grp_alloc_init ( lockGroupName, LCK_GRP_ATTR_NULL );
require_nonzero ( fLockGroup, ErrorExit );
// Allocate the gateLock before calling the super class. This allows
// us to profile contention on our workloop lock.
gateLock = IORecursiveLockAllocWithLockGroup ( fLockGroup );
result = super::init ( );
ErrorExit:
return result;
}
