/* * Copyright (c) 2000, 2001, 2004, 2005, 2009-2011, 2015, 2016 Apple Inc. All rights reserved. * * @APPLE_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. 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 * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Modification History * * June 1, 2001 Allan Nathanson <ajn@apple.com> * - public API conversion * * March 31, 2000 Allan Nathanson <ajn@apple.com> * - initial revision */ #include "SCDynamicStoreInternal.h" #include "config.h" /* MiG generated file */ Boolean SCDynamicStoreNotifySignal(SCDynamicStoreRef store, pid_t pid, int sig) { SCDynamicStorePrivateRef storePrivate = (SCDynamicStorePrivateRef)store; kern_return_t status; int sc_status; task_t task; if (store == NULL) { /* sorry, you must provide a session */ _SCErrorSet(kSCStatusNoStoreSession); return FALSE; } if (storePrivate->server == MACH_PORT_NULL) { /* sorry, you must have an open session to play */ _SCErrorSet(kSCStatusNoStoreServer); return FALSE; } if (storePrivate->notifyStatus != NotifierNotRegistered) { /* sorry, you can only have one notification registered at once */ _SCErrorSet(kSCStatusNotifierActive); return FALSE; } status = task_for_pid(mach_task_self(), pid, &task); if (status != KERN_SUCCESS) { SC_log(LOG_ERR, "task_for_pid() failed: %s", mach_error_string(status)); _SCErrorSet(status); return FALSE; } os_activity_scope(storePrivate->activity); retry : status = notifyviasignal(storePrivate->server, task, sig, (int *)&sc_status); if (__SCDynamicStoreCheckRetryAndHandleError(store, status, &sc_status, "SCDynamicStoreNotifySignal notifyviasignal()")) { goto retry; } if (status != KERN_SUCCESS) { _SCErrorSet(status); return FALSE; } /* set notifier active */ storePrivate->notifyStatus = Using_NotifierInformViaSignal; return TRUE; }