Class threads.thread.cond
Create and manipulate lua thread wait conditions (pthread_cond)
Functions
| new ( ) | Create a new wait conditon |
| wait ( cond ) | Wait for a signal on wait condition |
| timedwait ( cond, sec, nsec ) | Wait for a signal on a wait condition with a timeout |
| signal ( cond ) | Signal a wait condtion to notify thread waiting on it |
| brodcast ( cond ) | Brodcast signal to multiple threads waitng on wait conditon |
| destroy ( cond ) | Destroy an initialized wait contion to free resources |
Functions
- new ( )
- Create a new wait conditon (pthread_cond)
Usage:
This function cannot fail and will never return nil.Return value:
An intialized wait condtion - wait ( cond )
- Wait for a signal on wait condition
Parameters
- cond: An initialized wait condition
Usage
Return values:
1 while waiting, 0 once signal is recieved - timedwait (cond, sec, nsec)
- Wait for a signal on wait condition
Parameters
- cond: Initilized wait condition
- sec: Seconds to wait (optional)
- nsec: Nanoseconds to wait (optional)
Usage
Return values:
1 while waiting, 0 once signal is recieved, or ETIMEDOUT (110) on timeout - signal ( cond )
- Signal a wait condtion to notify thread waiting on it
Parameters
- cond: Wait condtion to signal.
Usage:
Return value:
0 success, 1 on failure. - brodcast ( cond )
- Brodcast signal to multiple threads waitng on wait conditon
Parameters
- cond: Wait condtion to brodcast
Usage:
Return value:
0 success, 1 on failure. - destroy ( cond )
- Destroy an initialized wait contion to free resources
Parameters
- cond: Wait condition to destroy
Usage:
Return value:
0 success, 1 on failure.