gn_opencnt Subroutine

Purpose

Maintains the using count on a gnode structure.

Syntax

#include <sys/vnode.h>
#include <sys/fcntl.h>

void gn_opencnt (gnode, flags) struct gnode * gnode; long flags;

Parameters

Item	Description
gnode	Points to a gnode structure.
flags	Specifies the open mode (FREAD, FWRITE, FEXEC, FRSHARE) from the open file flags.

Description

The gn_opencnt subroutine uses the passed in flags value to determine the appropriate using counts to increase in the gnode structure. The following table shows the mapping of the flags value to the counts field in the gnode structure:

Item	Description
FREAD	gn_rdcnt
FWRITE	gn_wrcnt
FEXEC	gn_excnt
FRSHARE	gn_rshcnt

Return Values

The gn_opencnt subroutine returns no return values.

Error Codes

The gn_opencnt subroutine returns no error codes.