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Manual Pages  — KINFO_GETPROC

NAME

kinfo_getproc – function for getting process information from kernel

CONTENTS

LIBRARY

System Utilities Library (libutil, -lutil)

SYNOPSIS

#include <sys/types.h>
#include <sys/user.h>
#include <libutil.h>

struct kinfo_proc *
kinfo_getproc(pid_t pid);

DESCRIPTION

This function is used for obtaining process information from the kernel.

The pid field contains the process identifier. This should be a process that you have privilege to access. This function is a wrapper around sysctl(3) with the KERN_PROC_PID mib. While the kernel returns a packed structure, this function expands the data into a fixed record format.

RETURN VALUES

On success the kinfo_getproc() function returns a pointer to a struct kinfo_proc structure as defined by <sys/user.h>. The pointer was obtained by an internal call to malloc(3) and must be freed by the caller with a call to free(3). On failure the kinfo_getproc() function returns NULL.

SEE ALSO

free(3), malloc(3), sysctl(3)

HISTORY

The kinfo_getproc() function first appeared in FreeBSD 7.0 .
KINFO_GETPROC (3) May 10, 2020
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