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Overview
| Comment: | Initial work on reforming usage of OSTRACE by the Windows VFS. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | winOsTrace |
| Files: | files | file ages | folders |
| SHA1: |
b347b5d1a01301f44e6fd20ee03a9529 |
| User & Date: | mistachkin 2013-04-28 01:44:43.497 |
Context
|
2013-04-29
| ||
| 03:09 | More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes. (check-in: 05ba5e23fc user: mistachkin tags: winOsTrace) | |
|
2013-04-28
| ||
| 01:44 | Initial work on reforming usage of OSTRACE by the Windows VFS. (check-in: b347b5d1a0 user: mistachkin tags: winOsTrace) | |
|
2013-04-27
| ||
| 18:06 | Remove spellfix virtual table documentation from the source tree. Reference the separate documentation on the website instead. (check-in: adcf78909f user: drh tags: trunk) | |
Changes
Changes to src/main.c.
| ︙ | ︙ | |||
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 |
db->nDeferredCons = 0;
/* If one has been configured, invoke the rollback-hook callback */
if( db->xRollbackCallback && (inTrans || !db->autoCommit) ){
db->xRollbackCallback(db->pRollbackArg);
}
}
/*
** Return a static string that describes the kind of error specified in the
** argument.
*/
const char *sqlite3ErrStr(int rc){
static const char* const aMsg[] = {
| > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 |
db->nDeferredCons = 0;
/* If one has been configured, invoke the rollback-hook callback */
if( db->xRollbackCallback && (inTrans || !db->autoCommit) ){
db->xRollbackCallback(db->pRollbackArg);
}
}
/*
** Return a static string containing the name corresponding to the error code
** specified in the argument.
*/
const char *sqlite3ErrName(int rc){
const char *zName = 0;
int i;
for(i=0; i<2 && zName==0; i++, rc &= 0xff){
switch( rc ){
case SQLITE_OK: zName = "SQLITE_OK"; break;
case SQLITE_ERROR: zName = "SQLITE_ERROR"; break;
case SQLITE_INTERNAL: zName = "SQLITE_INTERNAL"; break;
case SQLITE_PERM: zName = "SQLITE_PERM"; break;
case SQLITE_ABORT: zName = "SQLITE_ABORT"; break;
case SQLITE_BUSY: zName = "SQLITE_BUSY"; break;
case SQLITE_LOCKED: zName = "SQLITE_LOCKED"; break;
case SQLITE_LOCKED_SHAREDCACHE: zName = "SQLITE_LOCKED_SHAREDCACHE";break;
case SQLITE_NOMEM: zName = "SQLITE_NOMEM"; break;
case SQLITE_READONLY: zName = "SQLITE_READONLY"; break;
case SQLITE_INTERRUPT: zName = "SQLITE_INTERRUPT"; break;
case SQLITE_IOERR: zName = "SQLITE_IOERR"; break;
case SQLITE_CORRUPT: zName = "SQLITE_CORRUPT"; break;
case SQLITE_NOTFOUND: zName = "SQLITE_NOTFOUND"; break;
case SQLITE_FULL: zName = "SQLITE_FULL"; break;
case SQLITE_CANTOPEN: zName = "SQLITE_CANTOPEN"; break;
case SQLITE_PROTOCOL: zName = "SQLITE_PROTOCOL"; break;
case SQLITE_EMPTY: zName = "SQLITE_EMPTY"; break;
case SQLITE_SCHEMA: zName = "SQLITE_SCHEMA"; break;
case SQLITE_TOOBIG: zName = "SQLITE_TOOBIG"; break;
case SQLITE_CONSTRAINT: zName = "SQLITE_CONSTRAINT"; break;
case SQLITE_CONSTRAINT_UNIQUE: zName = "SQLITE_CONSTRAINT_UNIQUE"; break;
case SQLITE_CONSTRAINT_TRIGGER: zName = "SQLITE_CONSTRAINT_TRIGGER";break;
case SQLITE_CONSTRAINT_FOREIGNKEY:
zName = "SQLITE_CONSTRAINT_FOREIGNKEY"; break;
case SQLITE_CONSTRAINT_CHECK: zName = "SQLITE_CONSTRAINT_CHECK"; break;
case SQLITE_CONSTRAINT_PRIMARYKEY:
zName = "SQLITE_CONSTRAINT_PRIMARYKEY"; break;
case SQLITE_CONSTRAINT_NOTNULL: zName = "SQLITE_CONSTRAINT_NOTNULL";break;
case SQLITE_CONSTRAINT_COMMITHOOK:
zName = "SQLITE_CONSTRAINT_COMMITHOOK"; break;
case SQLITE_CONSTRAINT_VTAB: zName = "SQLITE_CONSTRAINT_VTAB"; break;
case SQLITE_CONSTRAINT_FUNCTION:
zName = "SQLITE_CONSTRAINT_FUNCTION"; break;
case SQLITE_MISMATCH: zName = "SQLITE_MISMATCH"; break;
case SQLITE_MISUSE: zName = "SQLITE_MISUSE"; break;
case SQLITE_NOLFS: zName = "SQLITE_NOLFS"; break;
case SQLITE_AUTH: zName = "SQLITE_AUTH"; break;
case SQLITE_FORMAT: zName = "SQLITE_FORMAT"; break;
case SQLITE_RANGE: zName = "SQLITE_RANGE"; break;
case SQLITE_NOTADB: zName = "SQLITE_NOTADB"; break;
case SQLITE_ROW: zName = "SQLITE_ROW"; break;
case SQLITE_NOTICE: zName = "SQLITE_NOTICE"; break;
case SQLITE_WARNING: zName = "SQLITE_WARNING"; break;
case SQLITE_DONE: zName = "SQLITE_DONE"; break;
case SQLITE_IOERR_READ: zName = "SQLITE_IOERR_READ"; break;
case SQLITE_IOERR_SHORT_READ: zName = "SQLITE_IOERR_SHORT_READ"; break;
case SQLITE_IOERR_WRITE: zName = "SQLITE_IOERR_WRITE"; break;
case SQLITE_IOERR_FSYNC: zName = "SQLITE_IOERR_FSYNC"; break;
case SQLITE_IOERR_DIR_FSYNC: zName = "SQLITE_IOERR_DIR_FSYNC"; break;
case SQLITE_IOERR_TRUNCATE: zName = "SQLITE_IOERR_TRUNCATE"; break;
case SQLITE_IOERR_FSTAT: zName = "SQLITE_IOERR_FSTAT"; break;
case SQLITE_IOERR_UNLOCK: zName = "SQLITE_IOERR_UNLOCK"; break;
case SQLITE_IOERR_RDLOCK: zName = "SQLITE_IOERR_RDLOCK"; break;
case SQLITE_IOERR_DELETE: zName = "SQLITE_IOERR_DELETE"; break;
case SQLITE_IOERR_BLOCKED: zName = "SQLITE_IOERR_BLOCKED"; break;
case SQLITE_IOERR_NOMEM: zName = "SQLITE_IOERR_NOMEM"; break;
case SQLITE_IOERR_ACCESS: zName = "SQLITE_IOERR_ACCESS"; break;
case SQLITE_IOERR_CHECKRESERVEDLOCK:
zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
case SQLITE_IOERR_LOCK: zName = "SQLITE_IOERR_LOCK"; break;
case SQLITE_CORRUPT_VTAB: zName = "SQLITE_CORRUPT_VTAB"; break;
case SQLITE_READONLY_RECOVERY: zName = "SQLITE_READONLY_RECOVERY"; break;
case SQLITE_READONLY_CANTLOCK: zName = "SQLITE_READONLY_CANTLOCK"; break;
case SQLITE_READONLY_ROLLBACK: zName = "SQLITE_READONLY_ROLLBACK"; break;
}
}
if( zName==0 ) zName = "SQLITE_Unknown";
return zName;
}
/*
** Return a static string that describes the kind of error specified in the
** argument.
*/
const char *sqlite3ErrStr(int rc){
static const char* const aMsg[] = {
|
| ︙ | ︙ |
Changes to src/os_win.c.
| ︙ | ︙ | |||
2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 |
static int seekWinFile(winFile *pFile, sqlite3_int64 iOffset){
#if !SQLITE_OS_WINRT
LONG upperBits; /* Most sig. 32 bits of new offset */
LONG lowerBits; /* Least sig. 32 bits of new offset */
DWORD dwRet; /* Value returned by SetFilePointer() */
DWORD lastErrno; /* Value returned by GetLastError() */
upperBits = (LONG)((iOffset>>32) & 0x7fffffff);
lowerBits = (LONG)(iOffset & 0xffffffff);
/* API oddity: If successful, SetFilePointer() returns a dword
** containing the lower 32-bits of the new file-offset. Or, if it fails,
** it returns INVALID_SET_FILE_POINTER. However according to MSDN,
** INVALID_SET_FILE_POINTER may also be a valid new offset. So to determine
** whether an error has actually occurred, it is also necessary to call
** GetLastError().
*/
dwRet = osSetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);
if( (dwRet==INVALID_SET_FILE_POINTER
&& ((lastErrno = osGetLastError())!=NO_ERROR)) ){
pFile->lastErrno = lastErrno;
winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
"seekWinFile", pFile->zPath);
return 1;
}
return 0;
#else
/*
** Same as above, except that this implementation works for WinRT.
*/
LARGE_INTEGER x; /* The new offset */
BOOL bRet; /* Value returned by SetFilePointerEx() */
x.QuadPart = iOffset;
bRet = osSetFilePointerEx(pFile->h, x, 0, FILE_BEGIN);
if(!bRet){
pFile->lastErrno = osGetLastError();
winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
"seekWinFile", pFile->zPath);
return 1;
}
return 0;
#endif
}
#if SQLITE_MAX_MMAP_SIZE>0
/* Forward references to VFS methods */
static int winUnmapfile(winFile*);
| > > > > > > | 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 |
static int seekWinFile(winFile *pFile, sqlite3_int64 iOffset){
#if !SQLITE_OS_WINRT
LONG upperBits; /* Most sig. 32 bits of new offset */
LONG lowerBits; /* Least sig. 32 bits of new offset */
DWORD dwRet; /* Value returned by SetFilePointer() */
DWORD lastErrno; /* Value returned by GetLastError() */
OSTRACE(("SEEK file=%p, offset=%lld\n", pFile->h, iOffset));
upperBits = (LONG)((iOffset>>32) & 0x7fffffff);
lowerBits = (LONG)(iOffset & 0xffffffff);
/* API oddity: If successful, SetFilePointer() returns a dword
** containing the lower 32-bits of the new file-offset. Or, if it fails,
** it returns INVALID_SET_FILE_POINTER. However according to MSDN,
** INVALID_SET_FILE_POINTER may also be a valid new offset. So to determine
** whether an error has actually occurred, it is also necessary to call
** GetLastError().
*/
dwRet = osSetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);
if( (dwRet==INVALID_SET_FILE_POINTER
&& ((lastErrno = osGetLastError())!=NO_ERROR)) ){
pFile->lastErrno = lastErrno;
winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
"seekWinFile", pFile->zPath);
OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
return 1;
}
OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
return 0;
#else
/*
** Same as above, except that this implementation works for WinRT.
*/
LARGE_INTEGER x; /* The new offset */
BOOL bRet; /* Value returned by SetFilePointerEx() */
x.QuadPart = iOffset;
bRet = osSetFilePointerEx(pFile->h, x, 0, FILE_BEGIN);
if(!bRet){
pFile->lastErrno = osGetLastError();
winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
"seekWinFile", pFile->zPath);
OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
return 1;
}
OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
return 0;
#endif
}
#if SQLITE_MAX_MMAP_SIZE>0
/* Forward references to VFS methods */
static int winUnmapfile(winFile*);
|
| ︙ | ︙ | |||
2090 2091 2092 2093 2094 2095 2096 | int rc, cnt = 0; winFile *pFile = (winFile*)id; assert( id!=0 ); #ifndef SQLITE_OMIT_WAL assert( pFile->pShm==0 ); #endif | < > | 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 |
int rc, cnt = 0;
winFile *pFile = (winFile*)id;
assert( id!=0 );
#ifndef SQLITE_OMIT_WAL
assert( pFile->pShm==0 );
#endif
assert( pFile->h!=NULL && pFile->h!=INVALID_HANDLE_VALUE );
OSTRACE(("CLOSE file=%p\n", pFile->h));
#if SQLITE_MAX_MMAP_SIZE>0
rc = winUnmapfile(pFile);
if( rc!=SQLITE_OK ) return rc;
#endif
do{
|
| ︙ | ︙ | |||
2117 2118 2119 2120 2121 2122 2123 |
&& cnt++ < WINCE_DELETION_ATTEMPTS
){
sqlite3_win32_sleep(100); /* Wait a little before trying again */
}
sqlite3_free(pFile->zDeleteOnClose);
}
#endif
| < > | 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 |
&& cnt++ < WINCE_DELETION_ATTEMPTS
){
sqlite3_win32_sleep(100); /* Wait a little before trying again */
}
sqlite3_free(pFile->zDeleteOnClose);
}
#endif
if( rc ){
pFile->h = NULL;
}
OpenCounter(-1);
OSTRACE(("CLOSE file=%p, rc=%s\n", pFile->h, rc ? "ok" : "failed"));
return rc ? SQLITE_OK
: winLogError(SQLITE_IOERR_CLOSE, osGetLastError(),
"winClose", pFile->zPath);
}
/*
** Read data from a file into a buffer. Return SQLITE_OK if all
|
| ︙ | ︙ | |||
2148 2149 2150 2151 2152 2153 2154 | winFile *pFile = (winFile*)id; /* file handle */ DWORD nRead; /* Number of bytes actually read from file */ int nRetry = 0; /* Number of retrys */ assert( id!=0 ); assert( amt>0 ); SimulateIOError(return SQLITE_IOERR_READ); | | > > > > > > | 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 |
winFile *pFile = (winFile*)id; /* file handle */
DWORD nRead; /* Number of bytes actually read from file */
int nRetry = 0; /* Number of retrys */
assert( id!=0 );
assert( amt>0 );
SimulateIOError(return SQLITE_IOERR_READ);
OSTRACE(("READ file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
/* Deal with as much of this read request as possible by transfering
** data from the memory mapping using memcpy(). */
if( offset<pFile->mmapSize ){
if( offset+amt <= pFile->mmapSize ){
memcpy(pBuf, &((u8 *)(pFile->pMapRegion))[offset], amt);
OSTRACE(("READ-MMAP file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}else{
int nCopy = (int)(pFile->mmapSize - offset);
memcpy(pBuf, &((u8 *)(pFile->pMapRegion))[offset], nCopy);
pBuf = &((u8 *)pBuf)[nCopy];
amt -= nCopy;
offset += nCopy;
}
}
#endif
#if SQLITE_OS_WINCE
if( seekWinFile(pFile, offset) ){
OSTRACE(("READ file=%p, rc=SQLITE_FULL\n", pFile->h));
return SQLITE_FULL;
}
while( !osReadFile(pFile->h, pBuf, amt, &nRead, 0) ){
#else
memset(&overlapped, 0, sizeof(OVERLAPPED));
overlapped.Offset = (LONG)(offset & 0xffffffff);
overlapped.OffsetHigh = (LONG)((offset>>32) & 0x7fffffff);
while( !osReadFile(pFile->h, pBuf, amt, &nRead, &overlapped) &&
osGetLastError()!=ERROR_HANDLE_EOF ){
#endif
DWORD lastErrno;
if( retryIoerr(&nRetry, &lastErrno) ) continue;
pFile->lastErrno = lastErrno;
OSTRACE(("READ file=%p, rc=SQLITE_IOERR_READ\n", pFile->h));
return winLogError(SQLITE_IOERR_READ, pFile->lastErrno,
"winRead", pFile->zPath);
}
logIoerr(nRetry);
if( nRead<(DWORD)amt ){
/* Unread parts of the buffer must be zero-filled */
memset(&((char*)pBuf)[nRead], 0, amt-nRead);
OSTRACE(("READ file=%p, rc=SQLITE_IOERR_SHORT_READ\n", pFile->h));
return SQLITE_IOERR_SHORT_READ;
}
OSTRACE(("READ file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
/*
** Write data from a buffer into a file. Return SQLITE_OK on success
** or some other error code on failure.
*/
|
| ︙ | ︙ | |||
2214 2215 2216 2217 2218 2219 2220 | int nRetry = 0; /* Number of retries */ assert( amt>0 ); assert( pFile ); SimulateIOError(return SQLITE_IOERR_WRITE); SimulateDiskfullError(return SQLITE_FULL); | | > > | 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 |
int nRetry = 0; /* Number of retries */
assert( amt>0 );
assert( pFile );
SimulateIOError(return SQLITE_IOERR_WRITE);
SimulateDiskfullError(return SQLITE_FULL);
OSTRACE(("WRITE file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
/* Deal with as much of this write request as possible by transfering
** data from the memory mapping using memcpy(). */
if( offset<pFile->mmapSize ){
if( offset+amt <= pFile->mmapSize ){
memcpy(&((u8 *)(pFile->pMapRegion))[offset], pBuf, amt);
OSTRACE(("WRITE-MMAP file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}else{
int nCopy = (int)(pFile->mmapSize - offset);
memcpy(&((u8 *)(pFile->pMapRegion))[offset], pBuf, nCopy);
pBuf = &((u8 *)pBuf)[nCopy];
amt -= nCopy;
offset += nCopy;
|
| ︙ | ︙ | |||
2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 |
rc = 1;
}
}
if( rc ){
if( ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
|| ( pFile->lastErrno==ERROR_DISK_FULL )){
return SQLITE_FULL;
}
return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
"winWrite", pFile->zPath);
}else{
logIoerr(nRetry);
}
return SQLITE_OK;
}
/*
** Truncate an open file to a specified size
*/
static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
winFile *pFile = (winFile*)id; /* File handle object */
int rc = SQLITE_OK; /* Return code for this function */
DWORD lastErrno;
assert( pFile );
| > > > < < > > | 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 |
rc = 1;
}
}
if( rc ){
if( ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
|| ( pFile->lastErrno==ERROR_DISK_FULL )){
OSTRACE(("WRITE file=%p, rc=SQLITE_FULL\n", pFile->h));
return SQLITE_FULL;
}
OSTRACE(("WRITE file=%p, rc=SQLITE_IOERR_WRITE\n", pFile->h));
return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
"winWrite", pFile->zPath);
}else{
logIoerr(nRetry);
}
OSTRACE(("WRITE file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
/*
** Truncate an open file to a specified size
*/
static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
winFile *pFile = (winFile*)id; /* File handle object */
int rc = SQLITE_OK; /* Return code for this function */
DWORD lastErrno;
assert( pFile );
SimulateIOError(return SQLITE_IOERR_TRUNCATE);
OSTRACE(("TRUNCATE file=%d, size=%lld, lock=%d\n",
pFile->h, nByte, pFile->locktype));
/* If the user has configured a chunk-size for this file, truncate the
** file so that it consists of an integer number of chunks (i.e. the
** actual file size after the operation may be larger than the requested
** size).
*/
if( pFile->szChunk>0 ){
|
| ︙ | ︙ | |||
2337 2338 2339 2340 2341 2342 2343 |
** use read() and write() to access data beyond this point from now on.
*/
if( pFile->pMapRegion && nByte<pFile->mmapSize ){
pFile->mmapSize = nByte;
}
#endif
| | | 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 |
** use read() and write() to access data beyond this point from now on.
*/
if( pFile->pMapRegion && nByte<pFile->mmapSize ){
pFile->mmapSize = nByte;
}
#endif
OSTRACE(("TRUNCATE file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
return rc;
}
#ifdef SQLITE_TEST
/*
** Count the number of fullsyncs and normal syncs. This is used to test
** that syncs and fullsyncs are occuring at the right times.
|
| ︙ | ︙ | |||
2377 2378 2379 2380 2381 2382 2383 |
assert( pFile );
/* Check that one of SQLITE_SYNC_NORMAL or FULL was passed */
assert((flags&0x0F)==SQLITE_SYNC_NORMAL
|| (flags&0x0F)==SQLITE_SYNC_FULL
);
| < < > > > > > > > > | 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 |
assert( pFile );
/* Check that one of SQLITE_SYNC_NORMAL or FULL was passed */
assert((flags&0x0F)==SQLITE_SYNC_NORMAL
|| (flags&0x0F)==SQLITE_SYNC_FULL
);
/* Unix cannot, but some systems may return SQLITE_FULL from here. This
** line is to test that doing so does not cause any problems.
*/
SimulateDiskfullError( return SQLITE_FULL );
OSTRACE(("SYNC file=%p, flags=%x, lock=%d\n",
pFile->h, flags, pFile->locktype));
#ifndef SQLITE_TEST
UNUSED_PARAMETER(flags);
#else
if( (flags&0x0F)==SQLITE_SYNC_FULL ){
sqlite3_fullsync_count++;
}
sqlite3_sync_count++;
#endif
/* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
** no-op
*/
#ifdef SQLITE_NO_SYNC
return SQLITE_OK;
#else
rc = osFlushFileBuffers(pFile->h);
SimulateIOError( rc=FALSE );
if( rc ){
OSTRACE(("SYNC file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}else{
pFile->lastErrno = osGetLastError();
OSTRACE(("SYNC file=%p, rc=SQLITE_IOERR_FSYNC\n", pFile->h));
return winLogError(SQLITE_IOERR_FSYNC, pFile->lastErrno,
"winSync", pFile->zPath);
}
#endif
}
/*
** Determine the current size of a file in bytes
*/
static int winFileSize(sqlite3_file *id, sqlite3_int64 *pSize){
winFile *pFile = (winFile*)id;
int rc = SQLITE_OK;
assert( id!=0 );
assert( pSize!=0 );
SimulateIOError(return SQLITE_IOERR_FSTAT);
OSTRACE(("SIZE file=%p, pSize=%p\n", pFile->h, pSize));
#if SQLITE_OS_WINRT
{
FILE_STANDARD_INFO info;
if( osGetFileInformationByHandleEx(pFile->h, FileStandardInfo,
&info, sizeof(info)) ){
*pSize = info.EndOfFile.QuadPart;
}else{
|
| ︙ | ︙ | |||
2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 |
&& ((lastErrno = osGetLastError())!=NO_ERROR) ){
pFile->lastErrno = lastErrno;
rc = winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno,
"winFileSize", pFile->zPath);
}
}
#endif
return rc;
}
/*
** LOCKFILE_FAIL_IMMEDIATELY is undefined on some Windows systems.
*/
#ifndef LOCKFILE_FAIL_IMMEDIATELY
| > > | 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 |
&& ((lastErrno = osGetLastError())!=NO_ERROR) ){
pFile->lastErrno = lastErrno;
rc = winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno,
"winFileSize", pFile->zPath);
}
}
#endif
OSTRACE(("SIZE file=%p, pSize=%p, *pSize=%lld, rc=%s\n",
pFile->h, pSize, *pSize, sqlite3ErrName(rc)));
return rc;
}
/*
** LOCKFILE_FAIL_IMMEDIATELY is undefined on some Windows systems.
*/
#ifndef LOCKFILE_FAIL_IMMEDIATELY
|
| ︙ | ︙ | |||
2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 |
/*
** Acquire a reader lock.
** Different API routines are called depending on whether or not this
** is Win9x or WinNT.
*/
static int getReadLock(winFile *pFile){
int res;
if( isNT() ){
#if SQLITE_OS_WINCE
/*
** NOTE: Windows CE is handled differently here due its lack of the Win32
** API LockFileEx.
*/
res = winceLockFile(&pFile->h, SHARED_FIRST, 0, 1, 0);
| > | 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 |
/*
** Acquire a reader lock.
** Different API routines are called depending on whether or not this
** is Win9x or WinNT.
*/
static int getReadLock(winFile *pFile){
int res;
OSTRACE(("READ-LOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));
if( isNT() ){
#if SQLITE_OS_WINCE
/*
** NOTE: Windows CE is handled differently here due its lack of the Win32
** API LockFileEx.
*/
res = winceLockFile(&pFile->h, SHARED_FIRST, 0, 1, 0);
|
| ︙ | ︙ | |||
2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 |
SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
}
#endif
if( res == 0 ){
pFile->lastErrno = osGetLastError();
/* No need to log a failure to lock */
}
return res;
}
/*
** Undo a readlock
*/
static int unlockReadLock(winFile *pFile){
int res;
DWORD lastErrno;
if( isNT() ){
res = winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
}
#ifdef SQLITE_WIN32_HAS_ANSI
else{
res = winUnlockFile(&pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
}
#endif
if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
pFile->lastErrno = lastErrno;
winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
"unlockReadLock", pFile->zPath);
}
return res;
}
/*
** Lock the file with the lock specified by parameter locktype - one
** of the following:
**
| > > > | 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 |
SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
}
#endif
if( res == 0 ){
pFile->lastErrno = osGetLastError();
/* No need to log a failure to lock */
}
OSTRACE(("READ-LOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
return res;
}
/*
** Undo a readlock
*/
static int unlockReadLock(winFile *pFile){
int res;
DWORD lastErrno;
OSTRACE(("READ-UNLOCK file=%p, lock=%d\n", pFile->h, pFile->locktype));
if( isNT() ){
res = winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
}
#ifdef SQLITE_WIN32_HAS_ANSI
else{
res = winUnlockFile(&pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
}
#endif
if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
pFile->lastErrno = lastErrno;
winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
"unlockReadLock", pFile->zPath);
}
OSTRACE(("READ-UNLOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
return res;
}
/*
** Lock the file with the lock specified by parameter locktype - one
** of the following:
**
|
| ︙ | ︙ | |||
2574 2575 2576 2577 2578 2579 2580 | int res = 1; /* Result of a Windows lock call */ int newLocktype; /* Set pFile->locktype to this value before exiting */ int gotPendingLock = 0;/* True if we acquired a PENDING lock this time */ winFile *pFile = (winFile*)id; DWORD lastErrno = NO_ERROR; assert( id!=0 ); | | | > | 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 |
int res = 1; /* Result of a Windows lock call */
int newLocktype; /* Set pFile->locktype to this value before exiting */
int gotPendingLock = 0;/* True if we acquired a PENDING lock this time */
winFile *pFile = (winFile*)id;
DWORD lastErrno = NO_ERROR;
assert( id!=0 );
OSTRACE(("LOCK file=%p, oldLock=%d(%d), newLock=%d\n",
pFile->h, pFile->locktype, pFile->sharedLockByte, locktype));
/* If there is already a lock of this type or more restrictive on the
** OsFile, do nothing. Don't use the end_lock: exit path, as
** sqlite3OsEnterMutex() hasn't been called yet.
*/
if( pFile->locktype>=locktype ){
OSTRACE(("LOCK-HELD file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
/* Make sure the locking sequence is correct
*/
assert( pFile->locktype!=NO_LOCK || locktype==SHARED_LOCK );
assert( locktype!=PENDING_LOCK );
|
| ︙ | ︙ | |||
2609 2610 2611 2612 2613 2614 2615 |
PENDING_BYTE, 0, 1, 0))==0 ){
/* Try 3 times to get the pending lock. This is needed to work
** around problems caused by indexing and/or anti-virus software on
** Windows systems.
** If you are using this code as a model for alternative VFSes, do not
** copy this retry logic. It is a hack intended for Windows only.
*/
| | > | 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 |
PENDING_BYTE, 0, 1, 0))==0 ){
/* Try 3 times to get the pending lock. This is needed to work
** around problems caused by indexing and/or anti-virus software on
** Windows systems.
** If you are using this code as a model for alternative VFSes, do not
** copy this retry logic. It is a hack intended for Windows only.
*/
OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, rc=%s\n",
pFile->h, cnt, sqlite3ErrName(res)));
if( cnt ) sqlite3_win32_sleep(1);
}
gotPendingLock = res;
if( !res ){
lastErrno = osGetLastError();
}
}
|
| ︙ | ︙ | |||
2654 2655 2656 2657 2658 2659 2660 |
}
/* Acquire an EXCLUSIVE lock
*/
if( locktype==EXCLUSIVE_LOCK && res ){
assert( pFile->locktype>=SHARED_LOCK );
res = unlockReadLock(pFile);
| < < | | > > > | | > > | | > > | 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 |
}
/* Acquire an EXCLUSIVE lock
*/
if( locktype==EXCLUSIVE_LOCK && res ){
assert( pFile->locktype>=SHARED_LOCK );
res = unlockReadLock(pFile);
res = winLockFile(&pFile->h, SQLITE_LOCKFILE_FLAGS, SHARED_FIRST, 0,
SHARED_SIZE, 0);
if( res ){
newLocktype = EXCLUSIVE_LOCK;
}else{
lastErrno = osGetLastError();
getReadLock(pFile);
}
}
/* If we are holding a PENDING lock that ought to be released, then
** release it now.
*/
if( gotPendingLock && locktype==SHARED_LOCK ){
winUnlockFile(&pFile->h, PENDING_BYTE, 0, 1, 0);
}
/* Update the state of the lock has held in the file descriptor then
** return the appropriate result code.
*/
if( res ){
rc = SQLITE_OK;
}else{
OSTRACE(("LOCK-FAIL file=%p, wanted=%d, got=%d\n",
pFile->h, locktype, newLocktype));
pFile->lastErrno = lastErrno;
rc = SQLITE_BUSY;
}
pFile->locktype = (u8)newLocktype;
OSTRACE(("LOCK file=%p, lock=%d, rc=%s\n",
pFile->h, pFile->locktype, sqlite3ErrName(rc)));
return rc;
}
/*
** This routine checks if there is a RESERVED lock held on the specified
** file by this or any other process. If such a lock is held, return
** non-zero, otherwise zero.
*/
static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
int rc;
winFile *pFile = (winFile*)id;
SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );
OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p\n", pFile->h, pResOut));
assert( id!=0 );
if( pFile->locktype>=RESERVED_LOCK ){
rc = 1;
OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (local)\n", pFile->h, rc));
}else{
rc = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0);
if( rc ){
winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
}
rc = !rc;
OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (remote)\n", pFile->h, rc));
}
*pResOut = rc;
OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n",
pFile->h, pResOut, *pResOut));
return SQLITE_OK;
}
/*
** Lower the locking level on file descriptor id to locktype. locktype
** must be either NO_LOCK or SHARED_LOCK.
**
** If the locking level of the file descriptor is already at or below
** the requested locking level, this routine is a no-op.
**
** It is not possible for this routine to fail if the second argument
** is NO_LOCK. If the second argument is SHARED_LOCK then this routine
** might return SQLITE_IOERR;
*/
static int winUnlock(sqlite3_file *id, int locktype){
int type;
winFile *pFile = (winFile*)id;
int rc = SQLITE_OK;
assert( pFile!=0 );
assert( locktype<=SHARED_LOCK );
OSTRACE(("UNLOCK file=%p, oldLock=%d(%d), newLock=%d\n",
pFile->h, pFile->locktype, pFile->sharedLockByte, locktype));
type = pFile->locktype;
if( type>=EXCLUSIVE_LOCK ){
winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
if( locktype==SHARED_LOCK && !getReadLock(pFile) ){
/* This should never happen. We should always be able to
** reacquire the read lock */
rc = winLogError(SQLITE_IOERR_UNLOCK, osGetLastError(),
"winUnlock", pFile->zPath);
}
}
if( type>=RESERVED_LOCK ){
winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
}
if( locktype==NO_LOCK && type>=SHARED_LOCK ){
unlockReadLock(pFile);
}
if( type>=PENDING_LOCK ){
winUnlockFile(&pFile->h, PENDING_BYTE, 0, 1, 0);
}
pFile->locktype = (u8)locktype;
OSTRACE(("UNLOCK file=%p, lock=%d, rc=%s\n",
pFile->h, pFile->locktype, sqlite3ErrName(rc)));
return rc;
}
/*
** If *pArg is inititially negative then this is a query. Set *pArg to
** 1 or 0 depending on whether or not bit mask of pFile->ctrlFlags is set.
**
|
| ︙ | ︙ | |||
2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 |
static int getTempname(int nBuf, char *zBuf);
/*
** Control and query of the open file handle.
*/
static int winFileControl(sqlite3_file *id, int op, void *pArg){
winFile *pFile = (winFile*)id;
switch( op ){
case SQLITE_FCNTL_LOCKSTATE: {
*(int*)pArg = pFile->locktype;
return SQLITE_OK;
}
case SQLITE_LAST_ERRNO: {
*(int*)pArg = (int)pFile->lastErrno;
return SQLITE_OK;
}
case SQLITE_FCNTL_CHUNK_SIZE: {
pFile->szChunk = *(int *)pArg;
return SQLITE_OK;
}
case SQLITE_FCNTL_SIZE_HINT: {
if( pFile->szChunk>0 ){
sqlite3_int64 oldSz;
int rc = winFileSize(id, &oldSz);
if( rc==SQLITE_OK ){
sqlite3_int64 newSz = *(sqlite3_int64*)pArg;
if( newSz>oldSz ){
SimulateIOErrorBenign(1);
rc = winTruncate(id, newSz);
SimulateIOErrorBenign(0);
}
}
return rc;
}
return SQLITE_OK;
}
case SQLITE_FCNTL_PERSIST_WAL: {
winModeBit(pFile, WINFILE_PERSIST_WAL, (int*)pArg);
return SQLITE_OK;
}
case SQLITE_FCNTL_POWERSAFE_OVERWRITE: {
winModeBit(pFile, WINFILE_PSOW, (int*)pArg);
return SQLITE_OK;
}
case SQLITE_FCNTL_VFSNAME: {
*(char**)pArg = sqlite3_mprintf("win32");
return SQLITE_OK;
}
case SQLITE_FCNTL_WIN32_AV_RETRY: {
int *a = (int*)pArg;
if( a[0]>0 ){
win32IoerrRetry = a[0];
}else{
a[0] = win32IoerrRetry;
}
if( a[1]>0 ){
win32IoerrRetryDelay = a[1];
}else{
a[1] = win32IoerrRetryDelay;
}
return SQLITE_OK;
}
case SQLITE_FCNTL_TEMPFILENAME: {
char *zTFile = sqlite3MallocZero( pFile->pVfs->mxPathname );
if( zTFile ){
getTempname(pFile->pVfs->mxPathname, zTFile);
*(char**)pArg = zTFile;
}
return SQLITE_OK;
}
#if SQLITE_MAX_MMAP_SIZE>0
case SQLITE_FCNTL_MMAP_SIZE: {
i64 newLimit = *(i64*)pArg;
if( newLimit>sqlite3GlobalConfig.mxMmap ){
newLimit = sqlite3GlobalConfig.mxMmap;
}
*(i64*)pArg = pFile->mmapSizeMax;
if( newLimit>=0 ) pFile->mmapSizeMax = newLimit;
return SQLITE_OK;
}
#endif
}
return SQLITE_NOTFOUND;
}
/*
** Return the sector size in bytes of the underlying block device for
** the specified file. This is almost always 512 bytes, but may be
** larger for some devices.
| > > > > > > > > > > > > > | 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 |
static int getTempname(int nBuf, char *zBuf);
/*
** Control and query of the open file handle.
*/
static int winFileControl(sqlite3_file *id, int op, void *pArg){
winFile *pFile = (winFile*)id;
OSTRACE(("FCNTL file=%p, op=%d, pArg=%p\n", pFile->h, op, pArg));
switch( op ){
case SQLITE_FCNTL_LOCKSTATE: {
*(int*)pArg = pFile->locktype;
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_LAST_ERRNO: {
*(int*)pArg = (int)pFile->lastErrno;
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_CHUNK_SIZE: {
pFile->szChunk = *(int *)pArg;
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_SIZE_HINT: {
if( pFile->szChunk>0 ){
sqlite3_int64 oldSz;
int rc = winFileSize(id, &oldSz);
if( rc==SQLITE_OK ){
sqlite3_int64 newSz = *(sqlite3_int64*)pArg;
if( newSz>oldSz ){
SimulateIOErrorBenign(1);
rc = winTruncate(id, newSz);
SimulateIOErrorBenign(0);
}
}
OSTRACE(("FCNTL file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
return rc;
}
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_PERSIST_WAL: {
winModeBit(pFile, WINFILE_PERSIST_WAL, (int*)pArg);
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_POWERSAFE_OVERWRITE: {
winModeBit(pFile, WINFILE_PSOW, (int*)pArg);
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_VFSNAME: {
*(char**)pArg = sqlite3_mprintf("win32");
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_WIN32_AV_RETRY: {
int *a = (int*)pArg;
if( a[0]>0 ){
win32IoerrRetry = a[0];
}else{
a[0] = win32IoerrRetry;
}
if( a[1]>0 ){
win32IoerrRetryDelay = a[1];
}else{
a[1] = win32IoerrRetryDelay;
}
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
case SQLITE_FCNTL_TEMPFILENAME: {
char *zTFile = sqlite3MallocZero( pFile->pVfs->mxPathname );
if( zTFile ){
getTempname(pFile->pVfs->mxPathname, zTFile);
*(char**)pArg = zTFile;
}
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
#if SQLITE_MAX_MMAP_SIZE>0
case SQLITE_FCNTL_MMAP_SIZE: {
i64 newLimit = *(i64*)pArg;
if( newLimit>sqlite3GlobalConfig.mxMmap ){
newLimit = sqlite3GlobalConfig.mxMmap;
}
*(i64*)pArg = pFile->mmapSizeMax;
if( newLimit>=0 ) pFile->mmapSizeMax = newLimit;
OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
return SQLITE_OK;
}
#endif
}
OSTRACE(("FCNTL file=%p, rc=SQLITE_NOTFOUND\n", pFile->h));
return SQLITE_NOTFOUND;
}
/*
** Return the sector size in bytes of the underlying block device for
** the specified file. This is almost always 512 bytes, but may be
** larger for some devices.
|
| ︙ | ︙ | |||
3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 |
int nByte /* Number of bytes to lock or unlock */
){
int rc = 0; /* Result code form Lock/UnlockFileEx() */
/* Access to the winShmNode object is serialized by the caller */
assert( sqlite3_mutex_held(pFile->mutex) || pFile->nRef==0 );
/* Release/Acquire the system-level lock */
if( lockType==_SHM_UNLCK ){
rc = winUnlockFile(&pFile->hFile.h, ofst, 0, nByte, 0);
}else{
/* Initialize the locking parameters */
DWORD dwFlags = LOCKFILE_FAIL_IMMEDIATELY;
if( lockType == _SHM_WRLCK ) dwFlags |= LOCKFILE_EXCLUSIVE_LOCK;
rc = winLockFile(&pFile->hFile.h, dwFlags, ofst, 0, nByte, 0);
}
if( rc!= 0 ){
rc = SQLITE_OK;
}else{
pFile->lastErrno = osGetLastError();
rc = SQLITE_BUSY;
}
| > > > < | < | | > > | | | 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 |
int nByte /* Number of bytes to lock or unlock */
){
int rc = 0; /* Result code form Lock/UnlockFileEx() */
/* Access to the winShmNode object is serialized by the caller */
assert( sqlite3_mutex_held(pFile->mutex) || pFile->nRef==0 );
OSTRACE(("SHM-LOCK file=%p, lock=%d, offset=%d, size=%d\n",
pFile->hFile.h, lockType, ofst, nByte));
/* Release/Acquire the system-level lock */
if( lockType==_SHM_UNLCK ){
rc = winUnlockFile(&pFile->hFile.h, ofst, 0, nByte, 0);
}else{
/* Initialize the locking parameters */
DWORD dwFlags = LOCKFILE_FAIL_IMMEDIATELY;
if( lockType == _SHM_WRLCK ) dwFlags |= LOCKFILE_EXCLUSIVE_LOCK;
rc = winLockFile(&pFile->hFile.h, dwFlags, ofst, 0, nByte, 0);
}
if( rc!= 0 ){
rc = SQLITE_OK;
}else{
pFile->lastErrno = osGetLastError();
rc = SQLITE_BUSY;
}
OSTRACE(("SHM-LOCK file=%p, func=%s, errno=%d, rc=%s\n", pFile->hFile.h,
(lockType == _SHM_UNLCK) ? "winUnlockFile" : "winLockFile",
pFile->lastErrno, sqlite3ErrName(rc)));
return rc;
}
/* Forward references to VFS methods */
static int winOpen(sqlite3_vfs*,const char*,sqlite3_file*,int,int*);
static int winDelete(sqlite3_vfs *,const char*,int);
/*
** Purge the winShmNodeList list of all entries with winShmNode.nRef==0.
**
** This is not a VFS shared-memory method; it is a utility function called
** by VFS shared-memory methods.
*/
static void winShmPurge(sqlite3_vfs *pVfs, int deleteFlag){
winShmNode **pp;
winShmNode *p;
BOOL bRc;
assert( winShmMutexHeld() );
OSTRACE(("SHM-PURGE pid=%d, deleteFlag=%d\n",
(int)osGetCurrentProcessId(), deleteFlag));
pp = &winShmNodeList;
while( (p = *pp)!=0 ){
if( p->nRef==0 ){
int i;
if( p->mutex ) sqlite3_mutex_free(p->mutex);
for(i=0; i<p->nRegion; i++){
bRc = osUnmapViewOfFile(p->aRegion[i].pMap);
OSTRACE(("SHM-PURGE-UNMAP pid=%d, region=%d, rc=%s\n",
(int)osGetCurrentProcessId(), i,
bRc ? "ok" : "failed"));
bRc = osCloseHandle(p->aRegion[i].hMap);
OSTRACE(("SHM-PURGE-CLOSE pid=%d, region=%d, rc=%s\n",
(int)osGetCurrentProcessId(), i,
bRc ? "ok" : "failed"));
}
if( p->hFile.h!=NULL && p->hFile.h!=INVALID_HANDLE_VALUE ){
SimulateIOErrorBenign(1);
winClose((sqlite3_file *)&p->hFile);
SimulateIOErrorBenign(0);
|
| ︙ | ︙ | |||
3349 3350 3351 3352 3353 3354 3355 |
if( rc==SQLITE_OK ){
assert( (p->sharedMask & mask)==0 );
p->exclMask |= mask;
}
}
}
sqlite3_mutex_leave(pShmNode->mutex);
| | | | | 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 |
if( rc==SQLITE_OK ){
assert( (p->sharedMask & mask)==0 );
p->exclMask |= mask;
}
}
}
sqlite3_mutex_leave(pShmNode->mutex);
OSTRACE(("SHM-LOCK pid=%d, id=%d, sharedMask=%03x, exclMask=%03x, rc=%s\n",
(int)osGetCurrentProcessId(), p->id, p->sharedMask, p->exclMask,
sqlite3ErrName(rc)));
return rc;
}
/*
** Implement a memory barrier or memory fence on shared memory.
**
** All loads and stores begun before the barrier must complete before
|
| ︙ | ︙ | |||
3472 3473 3474 3475 3476 3477 3478 |
NULL, PAGE_READWRITE, 0, nByte, NULL
);
#elif defined(SQLITE_WIN32_HAS_ANSI)
hMap = osCreateFileMappingA(pShmNode->hFile.h,
NULL, PAGE_READWRITE, 0, nByte, NULL
);
#endif
| | | | 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 |
NULL, PAGE_READWRITE, 0, nByte, NULL
);
#elif defined(SQLITE_WIN32_HAS_ANSI)
hMap = osCreateFileMappingA(pShmNode->hFile.h,
NULL, PAGE_READWRITE, 0, nByte, NULL
);
#endif
OSTRACE(("SHM-MAP-CREATE pid=%d, region=%d, size=%d, rc=%s\n",
(int)osGetCurrentProcessId(), pShmNode->nRegion, nByte,
hMap ? "ok" : "failed"));
if( hMap ){
int iOffset = pShmNode->nRegion*szRegion;
int iOffsetShift = iOffset % winSysInfo.dwAllocationGranularity;
#if SQLITE_OS_WINRT
pMap = osMapViewOfFileFromApp(hMap, FILE_MAP_WRITE | FILE_MAP_READ,
iOffset - iOffsetShift, szRegion + iOffsetShift
);
#else
pMap = osMapViewOfFile(hMap, FILE_MAP_WRITE | FILE_MAP_READ,
0, iOffset - iOffsetShift, szRegion + iOffsetShift
);
#endif
OSTRACE(("SHM-MAP-MAP pid=%d, region=%d, offset=%d, size=%d, rc=%s\n",
(int)osGetCurrentProcessId(), pShmNode->nRegion, iOffset,
szRegion, pMap ? "ok" : "failed"));
}
if( !pMap ){
pShmNode->lastErrno = osGetLastError();
rc = winLogError(SQLITE_IOERR_SHMMAP, pShmNode->lastErrno,
"winShmMap3", pDbFd->zPath);
|
| ︙ | ︙ | |||
3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 |
/*
** Cleans up the mapped region of the specified file, if any.
*/
#if SQLITE_MAX_MMAP_SIZE>0
static int winUnmapfile(winFile *pFile){
assert( pFile!=0 );
if( pFile->pMapRegion ){
if( !osUnmapViewOfFile(pFile->pMapRegion) ){
pFile->lastErrno = osGetLastError();
return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
"winUnmap1", pFile->zPath);
}
pFile->pMapRegion = 0;
pFile->mmapSize = 0;
pFile->mmapSizeActual = 0;
}
if( pFile->hMap!=NULL ){
if( !osCloseHandle(pFile->hMap) ){
pFile->lastErrno = osGetLastError();
return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
"winUnmap2", pFile->zPath);
}
pFile->hMap = NULL;
}
return SQLITE_OK;
}
/*
** Memory map or remap the file opened by file-descriptor pFd (if the file
** is already mapped, the existing mapping is replaced by the new). Or, if
** there already exists a mapping for this file, and there are still
| > > > > > > > > > > > > | 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 |
/*
** Cleans up the mapped region of the specified file, if any.
*/
#if SQLITE_MAX_MMAP_SIZE>0
static int winUnmapfile(winFile *pFile){
assert( pFile!=0 );
OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, hMap=%p, pMapRegion=%p, "
"mmapSize=%lld, mmapSizeActual=%lld, mmapSizeMax=%lld\n",
(int)osGetCurrentProcessId(), pFile, pFile->hMap,
pFile->pMapRegion, pFile->mmapSize, pFile->mmapSizeActual,
pFile->mmapSizeMax));
if( pFile->pMapRegion ){
if( !osUnmapViewOfFile(pFile->pMapRegion) ){
pFile->lastErrno = osGetLastError();
OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, pMapRegion=%p, "
"rc=SQLITE_IOERR_MMAP\n", (int)osGetCurrentProcessId(),
pFile, pFile->pMapRegion));
return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
"winUnmap1", pFile->zPath);
}
pFile->pMapRegion = 0;
pFile->mmapSize = 0;
pFile->mmapSizeActual = 0;
}
if( pFile->hMap!=NULL ){
if( !osCloseHandle(pFile->hMap) ){
pFile->lastErrno = osGetLastError();
OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, hMap=%p, rc=SQLITE_IOERR_MMAP\n",
(int)osGetCurrentProcessId(), pFile, pFile->hMap));
return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
"winUnmap2", pFile->zPath);
}
pFile->hMap = NULL;
}
OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, rc=SQLITE_OK\n",
(int)osGetCurrentProcessId(), pFile));
return SQLITE_OK;
}
/*
** Memory map or remap the file opened by file-descriptor pFd (if the file
** is already mapped, the existing mapping is replaced by the new). Or, if
** there already exists a mapping for this file, and there are still
|
| ︙ | ︙ | |||
3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 |
** code otherwise.
*/
static int winMapfile(winFile *pFd, sqlite3_int64 nByte){
sqlite3_int64 nMap = nByte;
int rc;
assert( nMap>=0 || pFd->nFetchOut==0 );
if( pFd->nFetchOut>0 ) return SQLITE_OK;
if( nMap<0 ){
rc = winFileSize((sqlite3_file*)pFd, &nMap);
if( rc ){
return SQLITE_IOERR_FSTAT;
}
}
if( nMap>pFd->mmapSizeMax ){
nMap = pFd->mmapSizeMax;
}
nMap &= ~(sqlite3_int64)(winSysInfo.dwPageSize - 1);
| > > > > > | 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 |
** code otherwise.
*/
static int winMapfile(winFile *pFd, sqlite3_int64 nByte){
sqlite3_int64 nMap = nByte;
int rc;
assert( nMap>=0 || pFd->nFetchOut==0 );
OSTRACE(("MAP-FILE pid=%d, pFile=%p, size=%lld\n",
(int)osGetCurrentProcessId(), pFd, nByte));
if( pFd->nFetchOut>0 ) return SQLITE_OK;
if( nMap<0 ){
rc = winFileSize((sqlite3_file*)pFd, &nMap);
if( rc ){
OSTRACE(("MAP-FILE pid=%d, pFile=%p, rc=SQLITE_IOERR_FSTAT\n",
(int)osGetCurrentProcessId(), pFd));
return SQLITE_IOERR_FSTAT;
}
}
if( nMap>pFd->mmapSizeMax ){
nMap = pFd->mmapSizeMax;
}
nMap &= ~(sqlite3_int64)(winSysInfo.dwPageSize - 1);
|
| ︙ | ︙ | |||
3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 |
(DWORD)(nMap & 0xffffffff), NULL);
#endif
if( pFd->hMap==NULL ){
pFd->lastErrno = osGetLastError();
rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
"winMapfile", pFd->zPath);
/* Log the error, but continue normal operation using xRead/xWrite */
return SQLITE_OK;
}
assert( (nMap % winSysInfo.dwPageSize)==0 );
#if SQLITE_OS_WINRT
pNew = osMapViewOfFileFromApp(pFd->hMap, flags, 0, nMap);
#else
assert( sizeof(SIZE_T)==sizeof(sqlite3_int64) || nMap<=0xffffffff );
pNew = osMapViewOfFile(pFd->hMap, flags, 0, 0, (SIZE_T)nMap);
#endif
if( pNew==NULL ){
osCloseHandle(pFd->hMap);
pFd->hMap = NULL;
pFd->lastErrno = osGetLastError();
winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
"winMapfile", pFd->zPath);
return SQLITE_OK;
}
pFd->pMapRegion = pNew;
pFd->mmapSize = nMap;
pFd->mmapSizeActual = nMap;
}
return SQLITE_OK;
}
#endif /* SQLITE_MAX_MMAP_SIZE>0 */
/*
** If possible, return a pointer to a mapping of file fd starting at offset
** iOff. The mapping must be valid for at least nAmt bytes.
| > > > > > > | 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 |
(DWORD)(nMap & 0xffffffff), NULL);
#endif
if( pFd->hMap==NULL ){
pFd->lastErrno = osGetLastError();
rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
"winMapfile", pFd->zPath);
/* Log the error, but continue normal operation using xRead/xWrite */
OSTRACE(("MAP-FILE-CREATE pid=%d, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
(int)osGetCurrentProcessId(), pFd));
return SQLITE_OK;
}
assert( (nMap % winSysInfo.dwPageSize)==0 );
#if SQLITE_OS_WINRT
pNew = osMapViewOfFileFromApp(pFd->hMap, flags, 0, nMap);
#else
assert( sizeof(SIZE_T)==sizeof(sqlite3_int64) || nMap<=0xffffffff );
pNew = osMapViewOfFile(pFd->hMap, flags, 0, 0, (SIZE_T)nMap);
#endif
if( pNew==NULL ){
osCloseHandle(pFd->hMap);
pFd->hMap = NULL;
pFd->lastErrno = osGetLastError();
winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
"winMapfile", pFd->zPath);
OSTRACE(("MAP-FILE-MAP pid=%d, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
(int)osGetCurrentProcessId(), pFd));
return SQLITE_OK;
}
pFd->pMapRegion = pNew;
pFd->mmapSize = nMap;
pFd->mmapSizeActual = nMap;
}
OSTRACE(("MAP-FILE pid=%d, pFile=%p, rc=SQLITE_OK\n",
(int)osGetCurrentProcessId(), pFd));
return SQLITE_OK;
}
#endif /* SQLITE_MAX_MMAP_SIZE>0 */
/*
** If possible, return a pointer to a mapping of file fd starting at offset
** iOff. The mapping must be valid for at least nAmt bytes.
|
| ︙ | ︙ | |||
3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 |
*/
static int winFetch(sqlite3_file *fd, i64 iOff, int nAmt, void **pp){
#if SQLITE_MAX_MMAP_SIZE>0
winFile *pFd = (winFile*)fd; /* The underlying database file */
#endif
*pp = 0;
#if SQLITE_MAX_MMAP_SIZE>0
if( pFd->mmapSizeMax>0 ){
if( pFd->pMapRegion==0 ){
int rc = winMapfile(pFd, -1);
| > > > | > > > > > > > | 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 |
*/
static int winFetch(sqlite3_file *fd, i64 iOff, int nAmt, void **pp){
#if SQLITE_MAX_MMAP_SIZE>0
winFile *pFd = (winFile*)fd; /* The underlying database file */
#endif
*pp = 0;
OSTRACE(("FETCH pid=%d, pFile=%p, offset=%lld, amount=%d, pp=%p\n",
(int)osGetCurrentProcessId(), fd, iOff, nAmt, pp));
#if SQLITE_MAX_MMAP_SIZE>0
if( pFd->mmapSizeMax>0 ){
if( pFd->pMapRegion==0 ){
int rc = winMapfile(pFd, -1);
if( rc!=SQLITE_OK ){
OSTRACE(("FETCH pid=%d, pFile=%p, rc=%s\n",
(int)osGetCurrentProcessId(), pFd, sqlite3ErrName(rc)));
return rc;
}
}
if( pFd->mmapSize >= iOff+nAmt ){
*pp = &((u8 *)pFd->pMapRegion)[iOff];
pFd->nFetchOut++;
}
}
#endif
OSTRACE(("FETCH pid=%d, pFile=%p, pp=%p, *pp=%p, rc=SQLITE_OK\n",
(int)osGetCurrentProcessId(), fd, pp, pp ? *pp : 0));
return SQLITE_OK;
}
/*
** If the third argument is non-NULL, then this function releases a
** reference obtained by an earlier call to unixFetch(). The second
** argument passed to this function must be the same as the corresponding
|
| ︙ | ︙ | |||
3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 |
** xFetch references. Or, if p!=0 (meaning it is an xFetch reference),
** then there must be at least one outstanding. */
assert( (p==0)==(pFd->nFetchOut==0) );
/* If p!=0, it must match the iOff value. */
assert( p==0 || p==&((u8 *)pFd->pMapRegion)[iOff] );
if( p ){
pFd->nFetchOut--;
}else{
/* FIXME: If Windows truly always prevents truncating or deleting a
** file while a mapping is held, then the following winUnmapfile() call
** is unnecessary can can be omitted - potentially improving
** performance. */
winUnmapfile(pFd);
}
assert( pFd->nFetchOut>=0 );
#endif
return SQLITE_OK;
}
/*
** Here ends the implementation of all sqlite3_file methods.
**
********************** End sqlite3_file Methods *******************************
| > > > > > > | 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 |
** xFetch references. Or, if p!=0 (meaning it is an xFetch reference),
** then there must be at least one outstanding. */
assert( (p==0)==(pFd->nFetchOut==0) );
/* If p!=0, it must match the iOff value. */
assert( p==0 || p==&((u8 *)pFd->pMapRegion)[iOff] );
OSTRACE(("UNFETCH pid=%d, pFile=%p, offset=%lld, p=%p\n",
(int)osGetCurrentProcessId(), pFd, iOff, p));
if( p ){
pFd->nFetchOut--;
}else{
/* FIXME: If Windows truly always prevents truncating or deleting a
** file while a mapping is held, then the following winUnmapfile() call
** is unnecessary can can be omitted - potentially improving
** performance. */
winUnmapfile(pFd);
}
assert( pFd->nFetchOut>=0 );
#endif
OSTRACE(("UNFETCH pid=%d, pFile=%p, rc=SQLITE_OK\n",
(int)osGetCurrentProcessId(), fd));
return SQLITE_OK;
}
/*
** Here ends the implementation of all sqlite3_file methods.
**
********************** End sqlite3_file Methods *******************************
|
| ︙ | ︙ | |||
3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 |
WCHAR zWidePath[MAX_PATH];
osGetTempPathW(MAX_PATH-30, zWidePath);
zMulti = unicodeToUtf8(zWidePath);
if( zMulti ){
sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zMulti);
sqlite3_free(zMulti);
}else{
return SQLITE_IOERR_NOMEM;
}
}
#ifdef SQLITE_WIN32_HAS_ANSI
else{
char *zUtf8;
char zMbcsPath[MAX_PATH];
osGetTempPathA(MAX_PATH-30, zMbcsPath);
zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath);
if( zUtf8 ){
sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zUtf8);
sqlite3_free(zUtf8);
}else{
return SQLITE_IOERR_NOMEM;
}
}
#endif
#endif
/* Check that the output buffer is large enough for the temporary file
** name. If it is not, return SQLITE_ERROR.
*/
nTempPath = sqlite3Strlen30(zTempPath);
if( (nTempPath + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 18) >= nBuf ){
return SQLITE_ERROR;
}
for(i=nTempPath; i>0 && zTempPath[i-1]=='\\'; i--){}
zTempPath[i] = 0;
sqlite3_snprintf(nBuf-18, zBuf, (nTempPath > 0) ?
"%s\\"SQLITE_TEMP_FILE_PREFIX : SQLITE_TEMP_FILE_PREFIX,
zTempPath);
j = sqlite3Strlen30(zBuf);
sqlite3_randomness(15, &zBuf[j]);
for(i=0; i<15; i++, j++){
zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
}
zBuf[j] = 0;
zBuf[j+1] = 0;
| > > > | | | 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 |
WCHAR zWidePath[MAX_PATH];
osGetTempPathW(MAX_PATH-30, zWidePath);
zMulti = unicodeToUtf8(zWidePath);
if( zMulti ){
sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zMulti);
sqlite3_free(zMulti);
}else{
OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
return SQLITE_IOERR_NOMEM;
}
}
#ifdef SQLITE_WIN32_HAS_ANSI
else{
char *zUtf8;
char zMbcsPath[MAX_PATH];
osGetTempPathA(MAX_PATH-30, zMbcsPath);
zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath);
if( zUtf8 ){
sqlite3_snprintf(MAX_PATH-30, zTempPath, "%s", zUtf8);
sqlite3_free(zUtf8);
}else{
OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
return SQLITE_IOERR_NOMEM;
}
}
#endif
#endif
/* Check that the output buffer is large enough for the temporary file
** name. If it is not, return SQLITE_ERROR.
*/
nTempPath = sqlite3Strlen30(zTempPath);
if( (nTempPath + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 18) >= nBuf ){
OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n"));
return SQLITE_ERROR;
}
for(i=nTempPath; i>0 && zTempPath[i-1]=='\\'; i--){}
zTempPath[i] = 0;
sqlite3_snprintf(nBuf-18, zBuf, (nTempPath > 0) ?
"%s\\"SQLITE_TEMP_FILE_PREFIX : SQLITE_TEMP_FILE_PREFIX,
zTempPath);
j = sqlite3Strlen30(zBuf);
sqlite3_randomness(15, &zBuf[j]);
for(i=0; i<15; i++, j++){
zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
}
zBuf[j] = 0;
zBuf[j+1] = 0;
OSTRACE(("TEMP-FILENAME name=%s, rc=SQLITE_OK\n", zBuf));
return SQLITE_OK;
}
/*
** Return TRUE if the named file is really a directory. Return false if
** it is something other than a directory, or if there is any kind of memory
** allocation failure.
*/
|
| ︙ | ︙ | |||
3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 |
#ifndef NDEBUG
int isOpenJournal = (isCreate && (
eType==SQLITE_OPEN_MASTER_JOURNAL
|| eType==SQLITE_OPEN_MAIN_JOURNAL
|| eType==SQLITE_OPEN_WAL
));
#endif
/* Check the following statements are true:
**
** (a) Exactly one of the READWRITE and READONLY flags must be set, and
** (b) if CREATE is set, then READWRITE must also be set, and
** (c) if EXCLUSIVE is set, then CREATE must also be set.
** (d) if DELETEONCLOSE is set, then CREATE must also be set.
| > > > | 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 |
#ifndef NDEBUG
int isOpenJournal = (isCreate && (
eType==SQLITE_OPEN_MASTER_JOURNAL
|| eType==SQLITE_OPEN_MAIN_JOURNAL
|| eType==SQLITE_OPEN_WAL
));
#endif
OSTRACE(("OPEN name=%s, pFile=%p, flags=%x, pOutFlags=%p\n",
zUtf8Name, id, flags, pOutFlags));
/* Check the following statements are true:
**
** (a) Exactly one of the READWRITE and READONLY flags must be set, and
** (b) if CREATE is set, then READWRITE must also be set, and
** (c) if EXCLUSIVE is set, then CREATE must also be set.
** (d) if DELETEONCLOSE is set, then CREATE must also be set.
|
| ︙ | ︙ | |||
3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 |
** temporary file name to use
*/
if( !zUtf8Name ){
assert(isDelete && !isOpenJournal);
memset(zTmpname, 0, MAX_PATH+2);
rc = getTempname(MAX_PATH+2, zTmpname);
if( rc!=SQLITE_OK ){
return rc;
}
zUtf8Name = zTmpname;
}
/* Database filenames are double-zero terminated if they are not
** URIs with parameters. Hence, they can always be passed into
** sqlite3_uri_parameter().
*/
assert( (eType!=SQLITE_OPEN_MAIN_DB) || (flags & SQLITE_OPEN_URI) ||
zUtf8Name[strlen(zUtf8Name)+1]==0 );
/* Convert the filename to the system encoding. */
zConverted = convertUtf8Filename(zUtf8Name);
if( zConverted==0 ){
return SQLITE_IOERR_NOMEM;
}
if( winIsDir(zConverted) ){
sqlite3_free(zConverted);
return SQLITE_CANTOPEN_ISDIR;
}
if( isReadWrite ){
dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
}else{
dwDesiredAccess = GENERIC_READ;
| > > > > | 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 |
** temporary file name to use
*/
if( !zUtf8Name ){
assert(isDelete && !isOpenJournal);
memset(zTmpname, 0, MAX_PATH+2);
rc = getTempname(MAX_PATH+2, zTmpname);
if( rc!=SQLITE_OK ){
OSTRACE(("OPEN name=%s, rc=%s",
zUtf8Name, sqlite3ErrName(rc)));
return rc;
}
zUtf8Name = zTmpname;
}
/* Database filenames are double-zero terminated if they are not
** URIs with parameters. Hence, they can always be passed into
** sqlite3_uri_parameter().
*/
assert( (eType!=SQLITE_OPEN_MAIN_DB) || (flags & SQLITE_OPEN_URI) ||
zUtf8Name[strlen(zUtf8Name)+1]==0 );
/* Convert the filename to the system encoding. */
zConverted = convertUtf8Filename(zUtf8Name);
if( zConverted==0 ){
OSTRACE(("OPEN name=%s, rc=SQLITE_IOERR_NOMEM", zUtf8Name));
return SQLITE_IOERR_NOMEM;
}
if( winIsDir(zConverted) ){
sqlite3_free(zConverted);
OSTRACE(("OPEN name=%s, rc=SQLITE_CANTOPEN_ISDIR", zUtf8Name));
return SQLITE_CANTOPEN_ISDIR;
}
if( isReadWrite ){
dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
}else{
dwDesiredAccess = GENERIC_READ;
|
| ︙ | ︙ | |||
4082 4083 4084 4085 4086 4087 4088 |
retryIoerr(&cnt, &lastErrno) ){
/* Noop */
}
}
#endif
logIoerr(cnt);
| | < | | 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 |
retryIoerr(&cnt, &lastErrno) ){
/* Noop */
}
}
#endif
logIoerr(cnt);
OSTRACE(("OPEN file=%p, name=%s, access=%lx, rc=%s\n", h, zUtf8Name,
dwDesiredAccess, (h==INVALID_HANDLE_VALUE) ? "failed" : "ok"));
if( h==INVALID_HANDLE_VALUE ){
pFile->lastErrno = lastErrno;
winLogError(SQLITE_CANTOPEN, pFile->lastErrno, "winOpen", zUtf8Name);
sqlite3_free(zConverted);
if( isReadWrite && !isExclusive ){
return winOpen(pVfs, zName, id,
|
| ︙ | ︙ | |||
4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 |
#if SQLITE_OS_WINCE
if( isReadWrite && eType==SQLITE_OPEN_MAIN_DB
&& (rc = winceCreateLock(zName, pFile))!=SQLITE_OK
){
osCloseHandle(h);
sqlite3_free(zConverted);
return rc;
}
if( isTemp ){
pFile->zDeleteOnClose = zConverted;
}else
#endif
{
| > | 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 |
#if SQLITE_OS_WINCE
if( isReadWrite && eType==SQLITE_OPEN_MAIN_DB
&& (rc = winceCreateLock(zName, pFile))!=SQLITE_OK
){
osCloseHandle(h);
sqlite3_free(zConverted);
OSTRACE(("OPEN-CE-LOCK name=%s, rc=%s\n", zName, sqlite3ErrName(rc)));
return rc;
}
if( isTemp ){
pFile->zDeleteOnClose = zConverted;
}else
#endif
{
|
| ︙ | ︙ | |||
4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 |
DWORD attr;
DWORD lastErrno;
void *zConverted;
UNUSED_PARAMETER(pVfs);
UNUSED_PARAMETER(syncDir);
SimulateIOError(return SQLITE_IOERR_DELETE);
zConverted = convertUtf8Filename(zFilename);
if( zConverted==0 ){
return SQLITE_IOERR_NOMEM;
}
if( isNT() ){
do {
#if SQLITE_OS_WINRT
| > > | 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 |
DWORD attr;
DWORD lastErrno;
void *zConverted;
UNUSED_PARAMETER(pVfs);
UNUSED_PARAMETER(syncDir);
SimulateIOError(return SQLITE_IOERR_DELETE);
OSTRACE(("DELETE name=%s, syncDir=%d\n", zFilename, syncDir));
zConverted = convertUtf8Filename(zFilename);
if( zConverted==0 ){
return SQLITE_IOERR_NOMEM;
}
if( isNT() ){
do {
#if SQLITE_OS_WINRT
|
| ︙ | ︙ | |||
4258 4259 4260 4261 4262 4263 4264 |
if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
rc = winLogError(SQLITE_IOERR_DELETE, lastErrno,
"winDelete", zFilename);
}else{
logIoerr(cnt);
}
sqlite3_free(zConverted);
| | > > > > | 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 |
if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
rc = winLogError(SQLITE_IOERR_DELETE, lastErrno,
"winDelete", zFilename);
}else{
logIoerr(cnt);
}
sqlite3_free(zConverted);
OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
return rc;
}
/*
** Check the existence and status of a file.
*/
static int winAccess(
sqlite3_vfs *pVfs, /* Not used on win32 */
const char *zFilename, /* Name of file to check */
int flags, /* Type of test to make on this file */
int *pResOut /* OUT: Result */
){
DWORD attr;
int rc = 0;
DWORD lastErrno;
void *zConverted;
UNUSED_PARAMETER(pVfs);
SimulateIOError( return SQLITE_IOERR_ACCESS; );
OSTRACE(("ACCESS name=%s, flags=%x, pResOut=%p\n",
zFilename, flags, pResOut));
zConverted = convertUtf8Filename(zFilename);
if( zConverted==0 ){
OSTRACE(("ACCESS name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename));
return SQLITE_IOERR_NOMEM;
}
if( isNT() ){
int cnt = 0;
WIN32_FILE_ATTRIBUTE_DATA sAttrData;
memset(&sAttrData, 0, sizeof(sAttrData));
while( !(rc = osGetFileAttributesExW((LPCWSTR)zConverted,
|
| ︙ | ︙ | |||
4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 |
rc = attr!=INVALID_FILE_ATTRIBUTES &&
(attr & FILE_ATTRIBUTE_READONLY)==0;
break;
default:
assert(!"Invalid flags argument");
}
*pResOut = rc;
return SQLITE_OK;
}
/*
** Returns non-zero if the specified path name should be used verbatim. If
** non-zero is returned from this function, the calling function must simply
| > > | 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 |
rc = attr!=INVALID_FILE_ATTRIBUTES &&
(attr & FILE_ATTRIBUTE_READONLY)==0;
break;
default:
assert(!"Invalid flags argument");
}
*pResOut = rc;
OSTRACE(("ACCESS name=%s, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n",
zFilename, pResOut, *pResOut));
return SQLITE_OK;
}
/*
** Returns non-zero if the specified path name should be used verbatim. If
** non-zero is returned from this function, the calling function must simply
|
| ︙ | ︙ |
Changes to src/sqliteInt.h.
| ︙ | ︙ | |||
3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 | int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity); char sqlite3ExprAffinity(Expr *pExpr); int sqlite3Atoi64(const char*, i64*, int, u8); void sqlite3Error(sqlite3*, int, const char*,...); void *sqlite3HexToBlob(sqlite3*, const char *z, int n); u8 sqlite3HexToInt(int h); int sqlite3TwoPartName(Parse *, Token *, Token *, Token **); const char *sqlite3ErrStr(int); int sqlite3ReadSchema(Parse *pParse); CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int); CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr); Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, Token*); Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); | > | 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 | int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity); char sqlite3ExprAffinity(Expr *pExpr); int sqlite3Atoi64(const char*, i64*, int, u8); void sqlite3Error(sqlite3*, int, const char*,...); void *sqlite3HexToBlob(sqlite3*, const char *z, int n); u8 sqlite3HexToInt(int h); int sqlite3TwoPartName(Parse *, Token *, Token *, Token **); const char *sqlite3ErrName(int); const char *sqlite3ErrStr(int); int sqlite3ReadSchema(Parse *pParse); CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int); CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr); Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, Token*); Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); |
| ︙ | ︙ |