ndet_p_death.c

操作系统SunOS 4.1.3版本的源码

#ifndef	lint
#ifdef sccs
static	char sccsid[] = "@(#)ndet_p_death.c 1.1 92/07/30 Copyr 1985 Sun Micro";
#endif
#endif

/*
 * Copyright (c) 1985 by Sun Microsystems, Inc.
 */

/*
 * Ndet_p_death.c - Notify_post_destroy implementation.
 */

#include <sunwindow/ntfy.h>
#include <sunwindow/ndet.h>
#include <sunwindow/ndis.h>

extern Notify_error
notify_post_destroy(nclient, status, when)
	Notify_client nclient;
	Destroy_status status;
	Notify_event_type when;
{
	NTFY_ENUM ndet_immediate_destroy();
	NTFY_ENUM enum_code;
	register NTFY_CLIENT *client;
	register NTFY_CONDITION *condition;
	Notify_error return_code = NOTIFY_OK;

	/* Check arguments */
	if (ndet_check_status(status))
		return(notify_errno);
	NTFY_BEGIN_CRITICAL;
	/* Find client */
	if ((client = ntfy_find_nclient(ndet_clients, nclient,
            &ndet_client_latest)) == NTFY_CLIENT_NULL) {
		ntfy_set_errno(NOTIFY_UNKNOWN_CLIENT);
		goto Error;
	}
	/* Find condition that matches type */
	if ((condition = ntfy_find_condition(client->conditions, NTFY_DESTROY,
	    &(client->condition_latest), NTFY_DATA_NULL, NTFY_IGNORE_DATA)) ==
	    NTFY_CONDITION_NULL) {
		ntfy_set_errno(NOTIFY_NO_CONDITION);
		goto Error;
	}
	if (when == NOTIFY_IMMEDIATE) {
		/* Prepare to dispatch event */
		ntfy_set_errno(NOTIFY_OK);
		enum_code = ndet_immediate_destroy(client, condition,
		    (NTFY_ENUM_DATA)status);
		/* If checking then set notify_errno */
		if (status == DESTROY_CHECKING) {
			if (enum_code == NTFY_ENUM_TERM)
				return_code = NOTIFY_DESTROY_VETOED;
		} else {
			/* remove client (if client hasn't done so himself) */
			if (ntfy_find_nclient(ndet_clients, nclient,
			    &ndet_client_latest) != NTFY_CLIENT_NULL)
				return_code = notify_remove(nclient);
		}
		NTFY_END_CRITICAL;
	} else {
		condition->data.status = status;
		if (ndis_enqueue(client, condition) != NOTIFY_OK) {
			ntfy_set_errno(NOTIFY_INTERNAL_ERROR);
			goto Error;
		}
		NTFY_END_CRITICAL;
		/* Dispatch the notification if not in notifier loop */
		if (!(ndet_flags & NDET_STARTED) &&
		    (ndis_dispatch() != NOTIFY_OK))
				return(notify_errno);
	}
	return(return_code);
Error:
	NTFY_END_CRITICAL;
	return(notify_errno);
}