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pcntl_sigwaitinfo()

pcntl_sigwaitinfo - Waits for signals

Syntax

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

Arguments

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

Description

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.

Version

PHP 5.3.0

Return value

On success, pcntl_sigwaitinfo() returns a signal number.