PROC_FIND(9) |
Kernel Developer's Manual |
PROC_FIND(9) |
NAME
proc_find, pgrp_find — find process or process group
SYNOPSIS
#include <sys/proc.h>
struct proc *
proc_find(pid_t pid);
struct pgrp *
pgrp_find(pid_t pgid);
extern kmutex_t *proc_lock;
DESCRIPTION
The
proc_find() and
pgrp_find() functions retrieve process and process group structures from process ID
pid and process group ID
pgid. Both functions must be called by holding a
mutex(9) on
proc_lock.
RETURN VALUES
Upon successful completion, the described functions return a pointer to either struct proc or struct pgrp. Otherwise, if the requested ID was not found, NULL is returned.