/*
* Copyright (c) 2025 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/*!
* @header kern_event.h
* This header defines in-kernel functions for generating kernel events as
* well as functions for receiving kernel events using a kernel event
* socket.
*/
#ifndef SYS_KERN_EVENT_PRIVATE_H
#define SYS_KERN_EVENT_PRIVATE_H
#include <sys/kern_event.h>
struct xkevtpcb {
u_int32_t kep_len;
u_int32_t kep_kind;
u_int64_t kep_evtpcb;
u_int32_t kep_vendor_code_filter;
u_int32_t kep_class_filter;
u_int32_t kep_subclass_filter;
};
struct kevtstat {
u_int64_t kes_pcbcount __attribute__((aligned(8)));
u_int64_t kes_gencnt __attribute__((aligned(8)));
u_int64_t kes_badvendor __attribute__((aligned(8)));
u_int64_t kes_toobig __attribute__((aligned(8)));
u_int64_t kes_nomem __attribute__((aligned(8)));
u_int64_t kes_fullsock __attribute__((aligned(8)));
u_int64_t kes_posted __attribute__((aligned(8)));
};
#ifdef KERNEL
/*
* Internal version of kev_msg_post. Allows posting Apple vendor code kernel
* events.
*/
int kev_post_msg(struct kev_msg *event);
int kev_post_msg_nowait(struct kev_msg *event);
LIST_HEAD(kern_event_head, kern_event_pcb);
struct kern_event_pcb {
decl_lck_mtx_data(, evp_mtx); /* per-socket mutex */
LIST_ENTRY(kern_event_pcb) evp_link; /* glue on list of all PCBs */
struct socket *evp_socket; /* pointer back to socket */
u_int32_t evp_vendor_code_filter;
u_int32_t evp_class_filter;
u_int32_t evp_subclass_filter;
};
#define sotoevpcb(so) ((struct kern_event_pcb *)((so)->so_pcb))
#endif /* KERNEL */
#endif /* SYS_KERN_EVENT_PRIVATE_H */