NAME
kinfo_getvmmap —
function for getting
per-process memory map information
LIBRARY
System Utilities Library (libutil, -lutil)
SYNOPSIS
#include <sys/types.h>
#include <sys/sysctl.h>
#include <util.h>
struct kinfo_vmentry *
kinfo_getvmmap(
pid_t
pid,
size_t *cntp);
DESCRIPTION
This function is used for obtaining virtual memory mapping information of a
particular process.
The
pid field contains the process identifier. This should
be the a process that you have privilege to access. The
cntp field is allows the caller to know how many records
are returned.
This function is a wrapper around
sysctl(3) with the
KERN_PROC_VMMAP
mib. While the kernel returns a packed
structure, this function expands the data into a fixed record format.
RETURN VALUES
On success the
kinfo_getvmmap() function returns a pointer to
an array of
struct kinfo_vmentry structures as defined
by
<sys/sysctl.h>. The array 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_getvmmap() function returns
NULL
.
SEE ALSO
free(3),
malloc(3)