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TLCrashReporter.m
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TLCrashReporter.m
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/*
* TLCrashReporter.m
* TLCrashReporter
*
* Created by Nathan Vander Wilt on 1/8/09, orig. Jon Hjelle on 12/8/08.
* Copyright 2009 __MyCompanyName__. All rights reserved.
*
*/
#import <Cocoa/Cocoa.h>
#include "TLCrashReporter.h"
// NOTE: this class helps us find the framework bundle containing the helper app
@interface TLCrashReporter_DummyClass : NSObject {}
@end
@implementation TLCrashReporter_DummyClass
@end
static char* TLCrashReporter_Executable = NULL;
static char* TLCrashReporter_Arguments[] = { NULL, NULL, NULL };
static char* TLCrashReporter_Environment[] = { NULL };
static void TLCrashReporter_SignalGrabber(int signum) {
if (TLCrashReporter_Executable && TLCrashReporter_Arguments[1]) {
pid_t pid = fork();
if (!pid) {
// child process: detach from parent and become crash reporter
(void)setsid();
execve(TLCrashReporter_Executable, TLCrashReporter_Arguments, TLCrashReporter_Environment);
_exit(0);
}
}
signal(signum, NULL);
raise(signum);
}
void TLCrashReporterRegisterSignals() {
@try {
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
NSBundle* frameworkBundle = [NSBundle bundleForClass:[TLCrashReporter_DummyClass class]];
NSString* crashReporterAppPath = [frameworkBundle pathForResource:@"CrashReporter" ofType:@"app"];
NSString* executablePath = [[NSBundle bundleWithPath:crashReporterAppPath] executablePath];
NSCAssert(executablePath, @"CrashReporter executable could not be found.");
TLCrashReporter_Executable = strdup([executablePath UTF8String]);
TLCrashReporter_Arguments[0] = TLCrashReporter_Executable;
NSString* appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString*)kCFBundleNameKey];
NSCAssert(appName, @"Application name could not be found.");
TLCrashReporter_Arguments[1] = strdup([appName UTF8String]);
[pool drain];
}
@catch (id exception) {
NSLog(@"Failed to register crash reporter (%@).", exception);
return;
}
signal(SIGQUIT, TLCrashReporter_SignalGrabber);
signal(SIGILL, TLCrashReporter_SignalGrabber);
signal(SIGTRAP, TLCrashReporter_SignalGrabber);
signal(SIGABRT, TLCrashReporter_SignalGrabber);
signal(SIGEMT, TLCrashReporter_SignalGrabber);
signal(SIGFPE, TLCrashReporter_SignalGrabber);
signal(SIGBUS, TLCrashReporter_SignalGrabber);
signal(SIGSEGV, TLCrashReporter_SignalGrabber);
signal(SIGSYS, TLCrashReporter_SignalGrabber);
}