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pcntl_sigwaitinfo

(PHP 5 >= 5.3.0)

pcntl_sigwaitinfo — Waits for signals


Описание

int pcntl_sigwaitinfo ( array $set [, array &$siginfo ] )

The pcntl_sigwaitinfo() function suspends execution of the calling script until one of the signals given in set are delivered. If one of the signal is already pending (e.g. blocked by pcntl_sigprocmask()), pcntl_sigwaitinfo() will return immediately.


Список параметров

set -

Array of signals to wait for.

siginfo -

The siginfo parameter is set to an array containing informations about the signal.

The following elements are set for all signals:

  • signo: Signal number
  • errno: An error number
  • code: Signal code

The following elements may be set for the SIGCHLD signal:

  • status: Exit value or signal
  • utime: User time consumed
  • stime: System time consumed
  • pid: Sending process ID
  • uid: Real user ID of sending process

The following elements may be set for the SIGILL, SIGFPE, SIGSEGV and SIGBUS signals:

  • addr: Memory location which caused fault

The following element may be set for the SIGPOLL signal:

  • band: Band event
  • fd: File descriptor number


Возвращаемые значения

On success, pcntl_sigwaitinfo() returns a signal number.


Примеры

Пример #1 pcntl_sigwaitinfo() example
echo "Blocking SIGHUP signal\n";
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
echo "Sending SIGHUP to self\n";
posix_kill(posix_getpid(), SIGHUP);
echo "Waiting for signals\n";
$info = array();
pcntl_sigwaitinfo(array(SIGHUP), $info);


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Описание на ru2.php.net
Описание на php.ru

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