(PHP3 >= 3.0.10, PHP4 >= 4.0b4)
posix_getsid -- Get the current sid of the process
Description
int posix_getsid (int pid)
Return the sid of the process pid.
If pid is 0, the sid of the
current process is returned.
This is not a POSIX function, but is common on System V
systems. If your system does not support this function at system
level, this PHP function will always return FALSE.