This module contains Nim's support for locks and condition vars.

Types

Lock = SysLock: Nim lock; whether this is re-entrant or not is unspecified! Source Edit
Cond = SysCond: Nim condition variable Source Edit

Procs

proc initLock(lock: var Lock) {...}{.inline, raises: [], tags: [].}: Initializes the given lock. Source Edit
proc deinitLock(lock: var Lock) {...}{.inline, raises: [], tags: [].}: Frees the resources associated with the lock. Source Edit
proc tryAcquire(lock: var Lock): bool {...}{.raises: [], tags: [].}: Tries to acquire the given lock. Returns true on success. Source Edit
proc acquire(lock: var Lock) {...}{.raises: [], tags: [].}: Acquires the given lock. Source Edit
proc release(lock: var Lock) {...}{.raises: [], tags: [].}: Releases the given lock. Source Edit
proc initCond(cond: var Cond) {...}{.inline, raises: [], tags: [].}: Initializes the given condition variable. Source Edit
proc deinitCond(cond: var Cond) {...}{.inline, raises: [], tags: [].}: Frees the resources associated with the lock. Source Edit
proc wait(cond: var Cond; lock: var Lock) {...}{.inline, raises: [], tags: [].}: waits on the condition variable cond. Source Edit
proc signal(cond: var Cond) {...}{.inline, raises: [], tags: [].}: sends a signal to the condition variable cond. Source Edit

template withLock(a: Lock; body: untyped): Acquires the given lock, executes the statements in body and releases the lock after the statements finish executing. Source Edit