79 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2008 Apple, Inc.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell 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 conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * 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, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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|  * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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|  * DEALINGS IN THE SOFTWARE.
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|  *
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|  * Except as contained in this notice, the name(s) of the above copyright
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|  * holders shall not be used in advertising or otherwise to promote the sale,
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|  * use or other dealings in this Software without prior written authorization.
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|  */
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "threadSafety.h"
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| #include "os.h"
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| 
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| pthread_t APPKIT_THREAD_ID;
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| pthread_t SERVER_THREAD_ID;
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| 
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| #include <AvailabilityMacros.h>
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| 
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| #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
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| #include <execinfo.h>
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| 
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| void spewCallStack(void) {
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|     void* callstack[128];
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|     int i, frames = backtrace(callstack, 128);
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|     char** strs = backtrace_symbols(callstack, frames);
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|     
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|     for (i = 0; i < frames; ++i) {
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|         ErrorF("%s\n", strs[i]);
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|     }
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|     
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|     free(strs);
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| }
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| #else
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| void spewCallStack(void) {
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| 	return;
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| }
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| #endif
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| 
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| void _threadSafetyAssert(pthread_t tid, const char *file, const char *fun, int line) {
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|     if(pthread_equal(pthread_self(), tid))
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|         return;
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|     
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|     /* NOOOO! */
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|     ErrorF("Thread Assertion Failed: self=%s, expected=%s\n%s:%s:%d\n",
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|            threadSafetyID(pthread_self()), threadSafetyID(tid),
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|            file, fun, line);
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|     spewCallStack();
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| }
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| 
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| const char *threadSafetyID(pthread_t tid) {
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|     if(pthread_equal(tid, APPKIT_THREAD_ID)) {
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|         return "Appkit Thread";
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|     } else if(pthread_equal(tid, SERVER_THREAD_ID)) {
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|         return "Xserver Thread";
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|     } else {        
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|         return "Unknown Thread";
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|     }
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| }
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