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posix_setpgid
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posix_setpgid

Name

posix_setpgid — Sets the process group ID for a process (POSIX.1, 4.3.3)

Synopsis

int posix_setpgid(pid, pgid); int pid: Process ID of process to change int pgid: Process group to change pid to

Returns

0 on success and FALSE on failure.

Description

This function sets the process group ID for the process given by pid to the value given by pgid . The calling process must have adequate permissions to perform this operation.

If pid is 0, then the call will attempt to set the process group ID for the current process.

If pgid is 0, then the call will use the process ID of the process identified by pid .

A process may only be moved between process groups which are in the same session.

Version

PHP 3.0.13+, PHP 4.0b4+

Example

Example 1087. Setting the process group ID

if (FALSE === posix_setpgid(3805, 1001)) {
    echo "Could not set new process group ID.\n";
} else {
    echo "Process group ID successfully changed.\n";
}

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