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Overview
| Comment: | Windows implementation of the thread-specific data interface. (CVS 2864) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3aa8befedf4534cd100a7309997a4ad2 |
| User & Date: | drh 2006-01-06 00:36:01 |
Context
|
2006-01-06
| ||
| 01:42 | Formatting changes in btree.c. (CVS 2865) check-in: f1922da2 user: drh tags: trunk | |
| 00:36 | Windows implementation of the thread-specific data interface. (CVS 2864) check-in: 3aa8befe user: drh tags: trunk | |
|
2006-01-05
| ||
| 23:42 | Disable the update hook for the truncation optimization used by DELETE. (CVS 2863) check-in: 448b3b9d user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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return 0;
}
keyInit = 1;
}
sqlite3Os.xLeaveMutex();
}
pTsd = (SqliteTsd *)pthread_getspecific(key);
if( !pTsd ){
pTsd = sqlite3Os.xMalloc(sizeof(SqliteTsd));
if( pTsd ){
memset(pTsd, 0, sizeof(SqliteTsd));
pthread_setspecific(key, pTsd);
}
}
return pTsd;
#else
static char tsd[sizeof(SqliteTsd)];
static int isInit = 0;
assert( nByte==sizeof(SqliteTsd) );
if( !isInit ){
memset(tsd, 0, sizeof(SqliteTsd));
isInit = 1;
}
return (void *)tsd;
#endif
}
/*
** The following variable, if set to a non-zero value, becomes the result
** returned from sqlite3Os.xCurrentTime(). This is used for testing.
*/
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return 0;
}
keyInit = 1;
}
sqlite3Os.xLeaveMutex();
}
pTsd = pthread_getspecific(key);
if( !pTsd ){
pTsd = sqlite3Os.xMalloc(nByte);
if( pTsd ){
memset(pTsd, 0, nByte);
pthread_setspecific(key, pTsd);
}
}
return pTsd;
#else
static void *pTsd = 0;
if( !pTsd ){
pTsd = sqlite3Os.xMalloc(nByte);
if( pTsd ){
memset(pTsd, 0, nByte);
}
}
return pTsd;
#endif
}
/*
** The following variable, if set to a non-zero value, becomes the result
** returned from sqlite3Os.xCurrentTime(). This is used for testing.
*/
|
Changes to src/os_win.c.
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if( sqlite3_current_time ){
*prNow = sqlite3_current_time/86400.0 + 2440587.5;
}
#endif
return 0;
}
/*
** Todo: This is a place-holder only
*/
static void *winThreadSpecificData(int nByte){
static char tsd[sizeof(SqliteTsd)];
static isInit = 0;
assert( nByte==sizeof(SqliteTsd) );
if( !isInit ){
memset(tsd, 0, sizeof(SqliteTsd));
isInit = 1;
}
return (void *)tsd;
}
/* Macro used to comment out routines that do not exists when there is
** no disk I/O
*/
#ifdef SQLITE_OMIT_DISKIO
# define IF_DISKIO(X) 0
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if( sqlite3_current_time ){
*prNow = sqlite3_current_time/86400.0 + 2440587.5;
}
#endif
return 0;
}
/*
** The first time this function is called from a specific thread, nByte
** bytes of data area are allocated and zeroed. A pointer to the new
** allocation is returned to the caller.
**
** Each subsequent call to this function from the thread returns the same
** pointer. The argument is ignored in this case.
*/
static void *winThreadSpecificData(int nByte){
static void *pTsd = 0;
static int key;
static int keyInit = 0;
if( !keyInit ){
sqlite3Os.xEnterMutex();
if( !keyInit ){
key = TlsAlloc();
if( key==0xffffffff ){
sqlite3Os.xLeaveMutex();
return 0;
}
keyInit = 1;
}
sqlite3Os.xLeaveMutex();
}
pTsd = TlsGetValue(key);
if( !pTsd ){
pTsd = sqlite3Os.xMalloc(nByte);
if( pTsd ){
memset(pTsd, 0, nByte);
TlsSetValue(key, pTsd);
}
}
return pTsd;
}
/* Macro used to comment out routines that do not exists when there is
** no disk I/O
*/
#ifdef SQLITE_OMIT_DISKIO
# define IF_DISKIO(X) 0
|