threadSafety.h revision 706f2543 
1/*
2 * Copyright (C) 2008 Apple, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the name(s) of the above copyright
23 * holders shall not be used in advertising or otherwise to promote the sale,
24 * use or other dealings in this Software without prior written authorization.
25 */
26
27#ifndef _XQ_THREAD_SAFETY_H_
28#define _XQ_THREAD_SAFETY_H_
29
30#define DEBUG_THREADS 1
31
32#include <pthread.h>
33
34extern pthread_t APPKIT_THREAD_ID;
35extern pthread_t SERVER_THREAD_ID;
36
37/* Dump the call stack */
38void spewCallStack(void);
39
40/* Print message to ErrorF if we're in the wrong thread */
41void _threadSafetyAssert(pthread_t tid, const char *file, const char *fun, int line);
42
43/* Get a string that identifies our thread nicely */
44const char *threadSafetyID(pthread_t tid);
45
46#define threadSafetyAssert(tid) _threadSafetyAssert(tid, __FILE__, __FUNCTION__, __LINE__)
47
48#ifdef DEBUG_THREADS
49#define TA_APPKIT() threadSafetyAssert(APPKIT_THREAD_ID)
50#define TA_SERVER() threadSafetyAssert(SERVER_THREAD_ID)
51#else
52#define TA_SERVER()
53#define TA_APPKIT()
54#endif
55
56#endif _XQ_THREAD_SAFETY_H_
57