Lock type

Methods

acquire(l:Lock) Source: stdlib.ngs:2549

Block till the lock is avaiable and then acquire the lock.

Example

l = Lock()
...
l.acquire()
modify_global_state_safely(...)
l.release()

acquire(l:Lock, cb:Fun) Source: stdlib.ngs:2571

Call cb with lock l held. Releases the lock after cb returns or throws.

Example

l = Lock()
...
l.acquire(F() {
  modify_global_state_safely(...)
})

init(l:Lock) Source: stdlib.ngs:2537

Initialize Lock. Creates and initializes pthread_mutex.

release(l:Lock) Source: stdlib.ngs:2560

Release the lock

Example

l = Lock()
...
l.acquire()
modify_global_state_safely(...)
l.release()