VirtualBox

source: vbox/trunk/src/VBox/Runtime/r0drv/os2/assert-r0drv-os2.cpp@ 25724

最後變更 在這個檔案從25724是 25536,由 vboxsync 提交於 15 年 前

iprt/assert.h: Added RTAssertMsg2Add[Weak][V] for dumping the lock deadlock chain and stacks. Added the missing internal/assert.h file to the linux and freebsd kernel source trees.

  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Id
檔案大小: 4.4 KB
 
1/* $Id: assert-r0drv-os2.cpp 25536 2009-12-21 11:06:08Z vboxsync $ */
2/** @file
3 * IPRT - Assertion Workers, Ring-0 Drivers, OS/2.
4 */
5
6/*
7 * Copyright (c) 2007 knut st. osmundsen <[email protected]>
8 *
9 * Permission is hereby granted, free of charge, to any person
10 * obtaining a copy of this software and associated documentation
11 * files (the "Software"), to deal in the Software without
12 * restriction, including without limitation the rights to use,
13 * copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following
16 * conditions:
17 *
18 * The above copyright notice and this permission notice shall be
19 * included in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31
32/*******************************************************************************
33* Header Files *
34*******************************************************************************/
35#include <iprt/assert.h>
36#include <iprt/log.h>
37#include <iprt/string.h>
38#include <iprt/stdarg.h>
39
40#include <VBox/log.h>
41
42#include "internal/assert.h"
43
44
45/*******************************************************************************
46* Global Variables *
47*******************************************************************************/
48/** The last assert message. (in DATA16) */
49extern char g_szRTAssertMsg[2048];
50/** The length of the last assert message. (in DATA16) */
51extern size_t g_cchRTAssertMsg;
52
53
54/*******************************************************************************
55* Internal Functions *
56*******************************************************************************/
57static DECLCALLBACK(size_t) rtR0Os2AssertOutputCB(void *pvArg, const char *pachChars, size_t cbChars);
58
59
60void rtR0AssertNativeMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
61{
62#if defined(DEBUG_bird)
63 RTLogComPrintf("\n!!Assertion Failed!!\n"
64 "Expression: %s\n"
65 "Location : %s(%d) %s\n",
66 pszExpr, pszFile, uLine, pszFunction);
67#endif
68
69 g_cchRTAssertMsg = RTStrPrintf(g_szRTAssertMsg, sizeof(g_szRTAssertMsg),
70 "\r\n!!Assertion Failed!!\r\n"
71 "Expression: %s\r\n"
72 "Location : %s(%d) %s\r\n",
73 pszExpr, pszFile, uLine, pszFunction);
74}
75
76
77void rtR0AssertNativeMsg2V(bool fInitial, const char *pszFormat, va_list va)
78{
79#if defined(DEBUG_bird)
80 va_list vaCopy;
81 va_copy(vaCopy, va);
82 RTLogComPrintfV(pszFormat, vaCopy);
83 va_end(vaCopy);
84#endif
85
86 size_t cch = g_cchRTAssertMsg;
87 char *pch = &g_szRTAssertMsg[cch];
88 cch += RTStrFormatV(rtR0Os2AssertOutputCB, &pch, NULL, NULL, pszFormat, va);
89 g_cchRTAssertMsg = cch;
90
91 NOREF(fInitial);
92}
93
94
95/**
96 * Output callback.
97 *
98 * @returns number of bytes written.
99 * @param pvArg Pointer to a char pointer with the current output position.
100 * @param pachChars Pointer to an array of utf-8 characters.
101 * @param cbChars Number of bytes in the character array pointed to by pachChars.
102 */
103static DECLCALLBACK(size_t) rtR0Os2AssertOutputCB(void *pvArg, const char *pachChars, size_t cbChars)
104{
105 char **ppch = (char **)pvArg;
106 char *pch = *ppch;
107
108 while (cbChars-- > 0)
109 {
110 const char ch = *pachChars++;
111 if (ch == '\r')
112 continue;
113 if (ch == '\n')
114 {
115 if (pch + 1 >= &g_szRTAssertMsg[sizeof(g_szRTAssertMsg)])
116 break;
117 *pch++ = '\r';
118 }
119 if (pch + 1 >= &g_szRTAssertMsg[sizeof(g_szRTAssertMsg)])
120 break;
121 *pch++ = ch;
122 }
123 *pch = '\0';
124
125 size_t cbWritten = pch - *ppch;
126 *ppch = pch;
127 return cbWritten;
128}
129
130
131/* RTR0AssertPanicSystem is implemented in RTR0AssertPanicSystem-r0drv-os2.asm */
132
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