Retrieves the node number associated with starting the given Process ID in the BProc unified process space. Typically, this will be the master node, but may be another node if a node process called a BProc move function.
Return the node number that the pid started on.
BPROC_NODE_NONE if the pid isn't one that was moved through BProc or isn't a valid pid.
This functions returns
BPROC_NODE_NONE if there was an error accessing the BProc status file, or if pid was not found in the status file. There is currently no way to tell if
BPROC_NODE_NONE resulted from an error or from pid not being masqueraded by BProc.
The program does not have access to read the BProc status file.
The BProc status file does not exist.
Insufficient kernel memory.
The limit of files that can be opened by the process has been reached.
The limit of files that can be opened by the system has been reached.
The BProc status file has been locked.