2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
20 * @APPLE_LICENSE_HEADER_END@
23 #include <mach/mach.h>
24 #include <mach/mach_error.h>
26 #include <SystemConfiguration/SCD.h>
27 #include "config.h" /* MiG generated file */
28 #include "SCDPrivate.h"
32 SCDNotifierInformViaSignal(SCDSessionRef session
, pid_t pid
, int sig
)
34 SCDSessionPrivateRef sessionPrivate
= (SCDSessionPrivateRef
)session
;
40 SCDLog(LOG_DEBUG
, CFSTR("SCDNotifierInformViaSignal:"));
41 SCDLog(LOG_DEBUG
, CFSTR(" pid = %d"), pid
);
42 SCDLog(LOG_DEBUG
, CFSTR(" sig = %d"), sig
);
44 if ((session
== NULL
) || (sessionPrivate
->server
== MACH_PORT_NULL
)) {
45 return SCD_NOSESSION
; /* you must have an open session to play */
48 if (SCDOptionGet(NULL
, kSCDOptionIsServer
)) {
49 /* sorry, neither the server nor any plug-ins can "wait" */
53 if (sessionPrivate
->notifyStatus
!= NotifierNotRegistered
) {
54 /* sorry, you can only have one notification registered at once */
55 return SCD_NOTIFIERACTIVE
;
58 if ((sig
<= 0) || (sig
> NSIG
)) {
59 /* sorry, you must specify a valid signal */
60 return SCD_INVALIDARGUMENT
;
63 status
= task_for_pid(mach_task_self(), pid
, &task
);
64 if (status
!= KERN_SUCCESS
) {
65 SCDLog(LOG_DEBUG
, CFSTR("task_for_pid(): %s"), mach_error_string(status
));
69 status
= notifyviasignal(sessionPrivate
->server
, task
, sig
, (int *)&scd_status
);
71 if (status
!= KERN_SUCCESS
) {
72 if (status
!= MACH_SEND_INVALID_DEST
)
73 SCDLog(LOG_DEBUG
, CFSTR("notifyviasignal(): %s"), mach_error_string(status
));
74 (void) mach_port_destroy(mach_task_self(), sessionPrivate
->server
);
75 sessionPrivate
->server
= MACH_PORT_NULL
;
79 /* set notifier active */
80 sessionPrivate
->notifyStatus
= Using_NotifierInformViaSignal
;