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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitbcb704366cb5e333a626c18c308c7e0448a8e69f (patch)
treef0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /kopete/plugins/statistics/sqlite/os_common.h
downloadtdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz
tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+** 2004 May 22
+**
+** The author disclaims copyright to this source code. In place of
+** a legal notice, here is a blessing:
+**
+** May you do good and not evil.
+** May you find forgiveness for yourself and forgive others.
+** May you share freely, never taking more than you give.
+**
+******************************************************************************
+**
+** This file contains macros and a little bit of code that is common to
+** all of the platform-specific files (os_*.c) and is #included into those
+** files.
+**
+** This file should be #included by the os_*.c files only. It is not a
+** general purpose header file.
+*/
+
+/*
+** At least two bugs have slipped in because we changed the MEMORY_DEBUG
+** macro to SQLITE_DEBUG and some older makefiles have not yet made the
+** switch. The following code should catch this problem at compile-time.
+*/
+#ifdef MEMORY_DEBUG
+# error "The MEMORY_DEBUG macro is obsolete. Use SQLITE_DEBUG instead."
+#endif
+
+
+int sqlite3_os_trace = 0;
+#ifdef SQLITE_DEBUG
+static int last_page = 0;
+#define SEEK(X) last_page=(X)
+#define TRACE1(X) if( sqlite3_os_trace ) sqlite3DebugPrintf(X)
+#define TRACE2(X,Y) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y)
+#define TRACE3(X,Y,Z) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z)
+#define TRACE4(X,Y,Z,A) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A)
+#define TRACE5(X,Y,Z,A,B) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A,B)
+#define TRACE6(X,Y,Z,A,B,C) if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C)
+#define TRACE7(X,Y,Z,A,B,C,D) \
+ if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C,D)
+#else
+#define SEEK(X)
+#define TRACE1(X)
+#define TRACE2(X,Y)
+#define TRACE3(X,Y,Z)
+#define TRACE4(X,Y,Z,A)
+#define TRACE5(X,Y,Z,A,B)
+#define TRACE6(X,Y,Z,A,B,C)
+#define TRACE7(X,Y,Z,A,B,C,D)
+#endif
+
+/*
+** Macros for performance tracing. Normally turned off. Only works
+** on i486 hardware.
+*/
+#ifdef SQLITE_PERFORMANCE_TRACE
+__inline__ unsigned long long int hwtime(void){
+ unsigned long long int x;
+ __asm__("rdtsc\n\t"
+ "mov %%edx, %%ecx\n\t"
+ :"=A" (x));
+ return x;
+}
+static unsigned long long int g_start;
+static unsigned int elapse;
+#define TIMER_START g_start=hwtime()
+#define TIMER_END elapse=hwtime()-g_start
+#define TIMER_ELAPSED elapse
+#else
+#define TIMER_START
+#define TIMER_END
+#define TIMER_ELAPSED 0
+#endif
+
+/*
+** If we compile with the SQLITE_TEST macro set, then the following block
+** of code will give us the ability to simulate a disk I/O error. This
+** is used for testing the I/O recovery logic.
+*/
+#ifdef SQLITE_TEST
+int sqlite3_io_error_pending = 0;
+int sqlite3_diskfull_pending = 0;
+#define SimulateIOError(A) \
+ if( sqlite3_io_error_pending ) \
+ if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); return A; }
+static void local_ioerr(){
+ sqlite3_io_error_pending = 0; /* Really just a place to set a breakpoint */
+}
+#define SimulateDiskfullError \
+ if( sqlite3_diskfull_pending ) \
+ if( sqlite3_diskfull_pending-- == 1 ){ local_ioerr(); return SQLITE_FULL; }
+#else
+#define SimulateIOError(A)
+#define SimulateDiskfullError
+#endif
+
+/*
+** When testing, keep a count of the number of open files.
+*/
+#ifdef SQLITE_TEST
+int sqlite3_open_file_count = 0;
+#define OpenCounter(X) sqlite3_open_file_count+=(X)
+#else
+#define OpenCounter(X)
+#endif