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| sysdecode_kevent(3) | FreeBSD Library Functions Manual | sysdecode_kevent(3) |
NAME
sysdecode_kevent,
sysdecode_kevent_fflags,
sysdecode_kevent_filter,
sysdecode_kevent_flags —
LIBRARY
System Argument Decoding Library (libsysdecode, -lsysdecode)SYNOPSIS
#include <sys/types.h>
#include <stdbool.h>
#include <stdio.h>
#include <sysdecode.h>
void
sysdecode_kevent_fflags(FILE
*fp, short filter,
int fflags,
int base);
bool
sysdecode_kevent_flags(FILE
*fp, int flags,
int *rem);
const char *
sysdecode_kevent_filter(int
filter);
DESCRIPTION
These functions provide text descriptions of struct kevent fields.The sysdecode_kevent_fflags() function
outputs a text description of the fflags member of a
struct kevent to the stream fp.
For the EVFILT_READ,
EVFILT_WRITE, EVFILT_VNODE,
EVFILT_PROC,
EVFILT_PROCDESC,
EVFILT_TIMER, and
EVFILT_USER filters,
sysdecode_kevent_fflags() outputs a bitmask of
filter-specific NOTE_* flags as documented in
kevent(2).
For other values of filter, the value of
fflags is output in the indicated
base (one of 8, 10, or 16).
The sysdecode_kevent_filter() function
returns a text description of the filter member of a
struct kevent. NULL is
returned if the filter value is unknown.
The sysdecode_kevent_flags() function
outputs a text description of the flags member of a
struct kevent to the stream fp.
This function uses the same calling convention and formatting as the other
functions described in
sysdecode_mask(3).
RETURN VALUES
Thesysdecode_kevent_filter function returns the name of
a filter or NULL if the filter value is unknown.
The sysdecode_kevent_flags function
returns true if any flags in the
flags field were decoded and
false if no flags were decoded.
SEE ALSO
sysdecode(3), sysdecode_enum(3), sysdecode_mask(3)| November 24, 2017 | FreeBSD 13.1-RELEASE |
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