diff options
author | dan miller | 2007-10-20 02:49:29 +0000 |
---|---|---|
committer | dan miller | 2007-10-20 02:49:29 +0000 |
commit | e36d23a85ebff914d74bb541558c2b6082b78edb (patch) | |
tree | 54b58fdf162e78af64055282a6035c8d2443389d /libraries/sqlite/unix/sqlite-3.5.1/src/os_common.h | |
parent | * Fixed an issue whereby avatar chat distances were being calculated against ... (diff) | |
download | opensim-SC_OLD-e36d23a85ebff914d74bb541558c2b6082b78edb.zip opensim-SC_OLD-e36d23a85ebff914d74bb541558c2b6082b78edb.tar.gz opensim-SC_OLD-e36d23a85ebff914d74bb541558c2b6082b78edb.tar.bz2 opensim-SC_OLD-e36d23a85ebff914d74bb541558c2b6082b78edb.tar.xz |
sqlite source (unix build) added to libraries
Diffstat (limited to '')
-rw-r--r-- | libraries/sqlite/unix/sqlite-3.5.1/src/os_common.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libraries/sqlite/unix/sqlite-3.5.1/src/os_common.h b/libraries/sqlite/unix/sqlite-3.5.1/src/os_common.h new file mode 100644 index 0000000..8de4be9 --- /dev/null +++ b/libraries/sqlite/unix/sqlite-3.5.1/src/os_common.h | |||
@@ -0,0 +1,127 @@ | |||
1 | /* | ||
2 | ** 2004 May 22 | ||
3 | ** | ||
4 | ** The author disclaims copyright to this source code. In place of | ||
5 | ** a legal notice, here is a blessing: | ||
6 | ** | ||
7 | ** May you do good and not evil. | ||
8 | ** May you find forgiveness for yourself and forgive others. | ||
9 | ** May you share freely, never taking more than you give. | ||
10 | ** | ||
11 | ****************************************************************************** | ||
12 | ** | ||
13 | ** This file contains macros and a little bit of code that is common to | ||
14 | ** all of the platform-specific files (os_*.c) and is #included into those | ||
15 | ** files. | ||
16 | ** | ||
17 | ** This file should be #included by the os_*.c files only. It is not a | ||
18 | ** general purpose header file. | ||
19 | */ | ||
20 | |||
21 | /* | ||
22 | ** At least two bugs have slipped in because we changed the MEMORY_DEBUG | ||
23 | ** macro to SQLITE_DEBUG and some older makefiles have not yet made the | ||
24 | ** switch. The following code should catch this problem at compile-time. | ||
25 | */ | ||
26 | #ifdef MEMORY_DEBUG | ||
27 | # error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead." | ||
28 | #endif | ||
29 | |||
30 | |||
31 | /* | ||
32 | * When testing, this global variable stores the location of the | ||
33 | * pending-byte in the database file. | ||
34 | */ | ||
35 | #ifdef SQLITE_TEST | ||
36 | unsigned int sqlite3_pending_byte = 0x40000000; | ||
37 | #endif | ||
38 | |||
39 | #ifdef SQLITE_DEBUG | ||
40 | int sqlite3_os_trace = 0; | ||
41 | #define OSTRACE1(X) if( sqlite3_os_trace ) sqlite3DebugPrintf(X) | ||
42 | #define OSTRACE2(X,Y) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y) | ||
43 | #define OSTRACE3(X,Y,Z) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z) | ||
44 | #define OSTRACE4(X,Y,Z,A) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A) | ||
45 | #define OSTRACE5(X,Y,Z,A,B) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A,B) | ||
46 | #define OSTRACE6(X,Y,Z,A,B,C) \ | ||
47 | if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C) | ||
48 | #define OSTRACE7(X,Y,Z,A,B,C,D) \ | ||
49 | if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C,D) | ||
50 | #else | ||
51 | #define OSTRACE1(X) | ||
52 | #define OSTRACE2(X,Y) | ||
53 | #define OSTRACE3(X,Y,Z) | ||
54 | #define OSTRACE4(X,Y,Z,A) | ||
55 | #define OSTRACE5(X,Y,Z,A,B) | ||
56 | #define OSTRACE6(X,Y,Z,A,B,C) | ||
57 | #define OSTRACE7(X,Y,Z,A,B,C,D) | ||
58 | #endif | ||
59 | |||
60 | /* | ||
61 | ** Macros for performance tracing. Normally turned off. Only works | ||
62 | ** on i486 hardware. | ||
63 | */ | ||
64 | #ifdef SQLITE_PERFORMANCE_TRACE | ||
65 | __inline__ unsigned long long int hwtime(void){ | ||
66 | unsigned long long int x; | ||
67 | __asm__("rdtsc\n\t" | ||
68 | "mov %%edx, %%ecx\n\t" | ||
69 | :"=A" (x)); | ||
70 | return x; | ||
71 | } | ||
72 | static unsigned long long int g_start; | ||
73 | static unsigned int elapse; | ||
74 | #define TIMER_START g_start=hwtime() | ||
75 | #define TIMER_END elapse=hwtime()-g_start | ||
76 | #define TIMER_ELAPSED elapse | ||
77 | #else | ||
78 | #define TIMER_START | ||
79 | #define TIMER_END | ||
80 | #define TIMER_ELAPSED 0 | ||
81 | #endif | ||
82 | |||
83 | /* | ||
84 | ** If we compile with the SQLITE_TEST macro set, then the following block | ||
85 | ** of code will give us the ability to simulate a disk I/O error. This | ||
86 | ** is used for testing the I/O recovery logic. | ||
87 | */ | ||
88 | #ifdef SQLITE_TEST | ||
89 | int sqlite3_io_error_hit = 0; | ||
90 | int sqlite3_io_error_pending = 0; | ||
91 | int sqlite3_io_error_persist = 0; | ||
92 | int sqlite3_diskfull_pending = 0; | ||
93 | int sqlite3_diskfull = 0; | ||
94 | #define SimulateIOError(CODE) \ | ||
95 | if( sqlite3_io_error_pending || sqlite3_io_error_hit ) \ | ||
96 | if( sqlite3_io_error_pending-- == 1 \ | ||
97 | || (sqlite3_io_error_persist && sqlite3_io_error_hit) ) \ | ||
98 | { local_ioerr(); CODE; } | ||
99 | static void local_ioerr(){ | ||
100 | IOTRACE(("IOERR\n")); | ||
101 | sqlite3_io_error_hit = 1; | ||
102 | } | ||
103 | #define SimulateDiskfullError(CODE) \ | ||
104 | if( sqlite3_diskfull_pending ){ \ | ||
105 | if( sqlite3_diskfull_pending == 1 ){ \ | ||
106 | local_ioerr(); \ | ||
107 | sqlite3_diskfull = 1; \ | ||
108 | sqlite3_io_error_hit = 1; \ | ||
109 | CODE; \ | ||
110 | }else{ \ | ||
111 | sqlite3_diskfull_pending--; \ | ||
112 | } \ | ||
113 | } | ||
114 | #else | ||
115 | #define SimulateIOError(A) | ||
116 | #define SimulateDiskfullError(A) | ||
117 | #endif | ||
118 | |||
119 | /* | ||
120 | ** When testing, keep a count of the number of open files. | ||
121 | */ | ||
122 | #ifdef SQLITE_TEST | ||
123 | int sqlite3_open_file_count = 0; | ||
124 | #define OpenCounter(X) sqlite3_open_file_count+=(X) | ||
125 | #else | ||
126 | #define OpenCounter(X) | ||
127 | #endif | ||