Function InitProcessPhase2

src/backend/storage/lmgr/proc.c:635–649

* InitProcessPhase2 -- make MyProc visible in the shared ProcArray. * * This is separate from InitProcess because we can't acquire LWLocks until * we've created a PGPROC, but in the EXEC_BACKEND case ProcArrayAdd won't * work until after we've done CreateSharedMemoryAndSemaphores. */

 * work until after we've done CreateSharedMemoryAndSemaphores.
 */
void
InitProcessPhase2(void)
{
	Assert(MyProc != NULL);

	/*
	 * Add our PGPROC to the PGPROC array in shared memory.
	 */
	ProcArrayAdd(MyProc);

	/*
	 * Arrange to clean that up at backend exit.
	 */
	on_shmem_exit(RemoveProcFromArray, 0);
}

/*
 * InitAuxiliaryProcess -- create a per-auxiliary-process data structure