Varianti

    mtx_timedlock

    Da cppreference.com.
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    <metanoindex/>

     
    C
     
    Discussione libreria di supporto
    Threads
    Original:
    Threads
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    Mutua esclusione
    Original:
    Mutual exclusion
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    Chiama una volta
    Original:
    Call once
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    Condizioni variabili
    Original:
    Condition variables
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    Thread-local storage
    Original:
    Thread-local storage
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    <tbody> </tbody>
    Elemento definito nell'header <threads.h>
    int mtx_timedlock( mtx_t *restrict mutex, const struct timespec *restrict time_point );
    		 (dal C11)
    Blocca il thread corrente fino a quando il mutex puntato da mutex è bloccato o fino al punto di base di tempo TIME_UTC puntato da time_point è stato raggiunto.
    Original:
    Blocks the current thread until the mutex pointed to by mutex is locked or until the TIME_UTC based time point pointed to by time_point has been reached.
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    Il comportamento è indefinito se il thread corrente ha già bloccato il mutex e il mutex non è ricorsiva.
    Original:
    The behavior is undefined if the current thread has already locked the mutex and the mutex is not recursive.
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    Il comportamento è indefinito se il mutex non supporta timeout.
    Original:
    The behavior is undefined if the mutex does not support timeout.
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    Parametri

    mutex -
    puntatore al mutex da bloccare
    Original:
    pointer to the mutex to lock
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    time_point -
    puntatore per il tempo di timeout di attendere
    Original:
    pointer to the timeout time to wait until
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    Valore di ritorno

    thrd_success in caso di successo, thrd_timedout se il tempo di timeout è stato raggiunto prima che il mutex è bloccato, se un thrd_error occurrs errore.
    Original:
    thrd_success if successful, thrd_timedout if the timeout time has been reached before the mutex is locked, thrd_error if an error occurrs.
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    Vedi anche

    (C11)
    blocchi fino a bloccare un mutex
    Original:
    blocks until locks a mutex
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    (funzione) [modifica]
    (C11)
    blocca un mutex o ritorni senza bloccare, se già bloccata
    Original:
    locks a mutex or returns without blocking if already locked
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    (funzione) [modifica]
    (C11)
    sblocca un mutex
    Original:
    unlocks a mutex
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    (funzione) [modifica]