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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "threadSafety.h"
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#include "os.h"
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pthread_t APPKIT_THREAD_ID;
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pthread_t SERVER_THREAD_ID;
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#include <AvailabilityMacros.h>
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
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#include <execinfo.h>
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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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for (i = 0; i < frames; ++i) {
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ErrorF("%s\n", strs[i]);
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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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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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/* 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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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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