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    pcntl_sigprocmask

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    pcntl_sigprocmask — Sets and retrieves blocked signals

    Descrição

    pcntl_sigprocmask(int $mode, array $signals, array &$old_signals = null): bool

    The pcntl_sigprocmask() function adds, removes or sets blocked signals, depending on the mode parameter.

    Parâmetros

    mode

    Sets the behavior of pcntl_sigprocmask(). Possible values:

    • SIG_BLOCK: Add the signals to the currently blocked signals.
    • SIG_UNBLOCK: Remove the signals from the currently blocked signals.
    • SIG_SETMASK: Replace the currently blocked signals by the given list of signals.

    signals

    List of signals.

    old_signals

    The old_signals parameter is set to an array containing the list of the previously blocked signals.

    Valor Retornado

    Retorna true em caso de sucesso ou false em caso de falha.

    Exemplos

    Exemplo #1 pcntl_sigprocmask() example

    <?php
    pcntl_sigprocmask    (SIG_BLOCK, array(SIGHUP));
    $oldset = array();
    pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
    ?>

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