1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* 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";
}
}
|
