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