(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.
  
