69 строки
2.6 KiB
Objective-C
69 строки
2.6 KiB
Objective-C
/*
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* Author: Landon Fuller <landonf@plausiblelabs.com>
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*
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* Copyright (c) 2008-2009 Plausible Labs Cooperative, Inc.
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#import <Foundation/Foundation.h>
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#import "PLCrashMacros.h"
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PLCR_C_BEGIN_DECLS
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typedef struct PLCrashSignalHandlerCallback PLCrashSignalHandlerCallback;
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/**
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* @internal
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* Signal handler callback function
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*
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* @param signo The received signal.
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* @param info The signal info.
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* @param uap The signal thread context.
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* @param context The previously specified context for this handler.
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* @param next A borrowed reference to the next signal handler's callback, or NULL if this is the final registered callback.
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* May be used to forward the signal via PLCrashSignalHandlerForward.
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*
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* @return Return true if the signal was handled and execution should continue, false if the signal was not handled.
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*/
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typedef bool (*PLCrashSignalHandlerCallbackFunc)(int signo, siginfo_t *info, ucontext_t *uap, void *context, PLCrashSignalHandlerCallback *next);
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void plcrash_signal_handler (int signo, siginfo_t *info, void *uapVoid);
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bool PLCrashSignalHandlerForward (PLCrashSignalHandlerCallback *next, int signal, siginfo_t *info, ucontext_t *uap);
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@interface PLCrashSignalHandler : NSObject
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+ (PLCrashSignalHandler *) sharedHandler;
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+ (void) resetHandlers;
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- (BOOL) registerHandlerForSignal: (int) signo
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callback: (PLCrashSignalHandlerCallbackFunc) callback
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context: (void *) context
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error: (NSError **) outError;
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@end
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PLCR_C_END_DECLS
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