<Li> The process scheduling state: The state of the process in terms of "ready", "suspended", etc., and other scheduling information as well, like priority value, the amount of time elapsed since the process gained control of the CPU or since it was suspended . Also, in case of a suspended process, event identification data must be recorded for the event the process is waiting for . </Li> <Li> Process structuring information: process's children id's, or the id's of other processes related to the current one in some functional way, which may be represented as a queue, a ring or other data structures . </Li> <Li> Interprocess communication information: various flags, signals and messages associated with the communication among independent processes may be stored in the PCB . </Li> <Li> Process Privileges in terms of allowed / disallowed access to system resources . </Li>

A process control block (pcb) does not contain which of the following