# locks

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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

# Templates

    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