protected static void StaticLeaveCriticalSection(Concurrent <TSubClass> _this = null)
{
if (Monitor.IsEntered(_this?.CriticalSection ?? StaticCriticalSection))
{
Monitor.Exit(_this?.CriticalSection ?? StaticCriticalSection);
}
}
protected static bool StaticAtomic(
Func <bool> test,
Action action,
Action actionElse = null,
Concurrent <TSubClass> _this = null)
{
bool success = false;
lock (_this?.CriticalSection ?? StaticCriticalSection) {
success = test();
if (success)
{
action();
}
else if (actionElse != null)
{
actionElse();
}
}
return(success);
}
protected static T StaticThreadSafeInit <T>(
Func <T> getValue,
Action init,
Concurrent <TSubClass> _this = null)
where T : class
{
// prevent global lock at every call
T value = getValue();
if (value != null)
{
return(value);
}
lock (_this?.CriticalSection ?? StaticCriticalSection) {
// prevent race conditions
value = getValue();
if (value == null)
{
init();
value = getValue();
}
return(value);
}
}
protected static void StaticEnterCriticalSection(Concurrent <TSubClass> _this = null)
{
Monitor.Enter(_this?.CriticalSection ?? StaticCriticalSection);
}
protected static T StaticThreadSafe <T>(Func <T> func, Concurrent <TSubClass> _this = null)
{
lock (_this?.CriticalSection ?? StaticCriticalSection) {
return(func());
}
}
protected static void StaticThreadSafe(Action action, Concurrent <TSubClass> _this = null)
{
lock (_this?.CriticalSection ?? StaticCriticalSection) {
action();
}
}
