posix_kill

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_killSend a signal to a process

Description

posix_kill(int $process_id, int $signal): bool

Send the signal signal to the process with the process identifier process_id.

Parameters

process_id

The process identifier.

signal

One of the PCNTL signals constants.

Return Values

Returns true on success or false on failure.

See Also

  • The kill(2) manual page of the POSIX system, which contains additional information about negative process identifiers, the special pid 0, the special pid -1, and the signal number 0.

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