PHP - Manual: pcntl_setcpuaffinity
2025-10-24
(PHP 8 >= 8.4.0)
pcntl_setcpuaffinity — Set the cpu affinity of a process
Sets the cpu affinity for the pid with the cpu affinity mask given by
hmask.
pidnull, the current process ID is used.
hmask
A TypeError is thrown if one
of the cpu id from the hmask is invalid.
A ValueError is thrown if
pid is an invalid process id
or the cpu mask had failed to be created.
官方地址:https://www.php.net/manual/en/function.pcntl-setcpuaffinity.php