aboutsummaryrefslogtreecommitdiff
path: root/src/os_win.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/os_win.c')
-rw-r--r--src/os_win.c111
1 files changed, 78 insertions, 33 deletions
diff --git a/src/os_win.c b/src/os_win.c
index 7463778a2..ef2f553f3 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -197,8 +197,10 @@ WINBASEAPI LPVOID WINAPI MapViewOfFile(HANDLE, DWORD, DWORD, DWORD, SIZE_T);
#endif /* SQLITE_OS_WINRT */
/*
-** This file mapping API is common to both Win32 and WinRT.
+** These file mapping APIs are common to both Win32 and WinRT.
*/
+
+WINBASEAPI BOOL WINAPI FlushViewOfFile(LPCVOID, SIZE_T);
WINBASEAPI BOOL WINAPI UnmapViewOfFile(LPCVOID);
#endif /* SQLITE_WIN32_FILEMAPPING_API */
@@ -1083,6 +1085,15 @@ static struct win_syscall {
#define osUuidCreateSequential \
((RPC_STATUS(RPC_ENTRY*)(UUID*))aSyscall[78].pCurrent)
+#if !defined(SQLITE_NO_SYNC) && SQLITE_MAX_MMAP_SIZE>0
+ { "FlushViewOfFile", (SYSCALL)FlushViewOfFile, 0 },
+#else
+ { "FlushViewOfFile", (SYSCALL)0, 0 },
+#endif
+
+#define osFlushViewOfFile \
+ ((BOOL(WINAPI*)(LPCVOID,SIZE_T))aSyscall[79].pCurrent)
+
}; /* End of the overrideable system calls */
/*
@@ -1966,11 +1977,11 @@ static int winRetryIoerr(int *pnRetry, DWORD *pError){
/*
** Log a I/O error retry episode.
*/
-static void winLogIoerr(int nRetry){
+static void winLogIoerr(int nRetry, int lineno){
if( nRetry ){
- sqlite3_log(SQLITE_IOERR,
- "delayed %dms for lock/sharing conflict",
- winIoerrRetryDelay*nRetry*(nRetry+1)/2
+ sqlite3_log(SQLITE_NOTICE,
+ "delayed %dms for lock/sharing conflict at line %d",
+ winIoerrRetryDelay*nRetry*(nRetry+1)/2, lineno
);
}
}
@@ -2450,7 +2461,8 @@ static int winClose(sqlite3_file *id){
assert( pFile->pShm==0 );
#endif
assert( pFile->h!=NULL && pFile->h!=INVALID_HANDLE_VALUE );
- OSTRACE(("CLOSE file=%p\n", pFile->h));
+ OSTRACE(("CLOSE pid=%lu, pFile=%p, file=%p\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
#if SQLITE_MAX_MMAP_SIZE>0
winUnmapfile(pFile);
@@ -2479,7 +2491,8 @@ static int winClose(sqlite3_file *id){
pFile->h = NULL;
}
OpenCounter(-1);
- OSTRACE(("CLOSE file=%p, rc=%s\n", pFile->h, rc ? "ok" : "failed"));
+ OSTRACE(("CLOSE pid=%lu, pFile=%p, file=%p, rc=%s\n",
+ osGetCurrentProcessId(), pFile, pFile->h, rc ? "ok" : "failed"));
return rc ? SQLITE_OK
: winLogError(SQLITE_IOERR_CLOSE, osGetLastError(),
"winClose", pFile->zPath);
@@ -2507,7 +2520,8 @@ static int winRead(
assert( amt>0 );
assert( offset>=0 );
SimulateIOError(return SQLITE_IOERR_READ);
- OSTRACE(("READ file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
+ OSTRACE(("READ pid=%lu, pFile=%p, file=%p, buffer=%p, amount=%d, "
+ "offset=%lld, lock=%d\n", osGetCurrentProcessId(), pFile,
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
@@ -2516,7 +2530,8 @@ static int winRead(
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));
+ OSTRACE(("READ-MMAP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
}else{
int nCopy = (int)(pFile->mmapSize - offset);
@@ -2530,7 +2545,8 @@ static int winRead(
#if SQLITE_OS_WINCE || defined(SQLITE_WIN32_NO_OVERLAPPED)
if( winSeekFile(pFile, offset) ){
- OSTRACE(("READ file=%p, rc=SQLITE_FULL\n", pFile->h));
+ OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_FULL\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_FULL;
}
while( !osReadFile(pFile->h, pBuf, amt, &nRead, 0) ){
@@ -2544,19 +2560,22 @@ static int winRead(
DWORD lastErrno;
if( winRetryIoerr(&nRetry, &lastErrno) ) continue;
pFile->lastErrno = lastErrno;
- OSTRACE(("READ file=%p, rc=SQLITE_IOERR_READ\n", pFile->h));
+ OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_READ\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return winLogError(SQLITE_IOERR_READ, pFile->lastErrno,
"winRead", pFile->zPath);
}
- winLogIoerr(nRetry);
+ winLogIoerr(nRetry, __LINE__);
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));
+ OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_SHORT_READ\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_IOERR_SHORT_READ;
}
- OSTRACE(("READ file=%p, rc=SQLITE_OK\n", pFile->h));
+ OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
}
@@ -2579,7 +2598,8 @@ static int winWrite(
SimulateIOError(return SQLITE_IOERR_WRITE);
SimulateDiskfullError(return SQLITE_FULL);
- OSTRACE(("WRITE file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
+ OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, buffer=%p, amount=%d, "
+ "offset=%lld, lock=%d\n", osGetCurrentProcessId(), pFile,
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
@@ -2588,7 +2608,8 @@ static int winWrite(
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));
+ OSTRACE(("WRITE-MMAP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
}else{
int nCopy = (int)(pFile->mmapSize - offset);
@@ -2651,17 +2672,20 @@ static int winWrite(
if( rc ){
if( ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
|| ( pFile->lastErrno==ERROR_DISK_FULL )){
- OSTRACE(("WRITE file=%p, rc=SQLITE_FULL\n", pFile->h));
+ OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_FULL\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return winLogError(SQLITE_FULL, pFile->lastErrno,
"winWrite1", pFile->zPath);
}
- OSTRACE(("WRITE file=%p, rc=SQLITE_IOERR_WRITE\n", pFile->h));
+ OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_WRITE\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
"winWrite2", pFile->zPath);
}else{
- winLogIoerr(nRetry);
+ winLogIoerr(nRetry, __LINE__);
}
- OSTRACE(("WRITE file=%p, rc=SQLITE_OK\n", pFile->h));
+ OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
}
@@ -2675,8 +2699,8 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
assert( pFile );
SimulateIOError(return SQLITE_IOERR_TRUNCATE);
- OSTRACE(("TRUNCATE file=%p, size=%lld, lock=%d\n",
- pFile->h, nByte, pFile->locktype));
+ OSTRACE(("TRUNCATE pid=%lu, pFile=%p, file=%p, size=%lld, lock=%d\n",
+ osGetCurrentProcessId(), pFile, 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
@@ -2708,7 +2732,8 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
}
#endif
- OSTRACE(("TRUNCATE file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
+ OSTRACE(("TRUNCATE pid=%lu, pFile=%p, file=%p, rc=%s\n",
+ osGetCurrentProcessId(), pFile, pFile->h, sqlite3ErrName(rc)));
return rc;
}
@@ -2753,8 +2778,9 @@ static int winSync(sqlite3_file *id, int flags){
*/
SimulateDiskfullError( return SQLITE_FULL );
- OSTRACE(("SYNC file=%p, flags=%x, lock=%d\n",
- pFile->h, flags, pFile->locktype));
+ OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, flags=%x, lock=%d\n",
+ osGetCurrentProcessId(), pFile, pFile->h, flags,
+ pFile->locktype));
#ifndef SQLITE_TEST
UNUSED_PARAMETER(flags);
@@ -2769,19 +2795,38 @@ static int winSync(sqlite3_file *id, int flags){
** no-op
*/
#ifdef SQLITE_NO_SYNC
- OSTRACE(("SYNC-NOP file=%p, rc=SQLITE_OK\n", pFile->h));
+ OSTRACE(("SYNC-NOP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
#else
+#if SQLITE_MAX_MMAP_SIZE>0
+ if( pFile->pMapRegion ){
+ if( osFlushViewOfFile(pFile->pMapRegion, 0) ){
+ OSTRACE(("SYNC-MMAP pid=%lu, pFile=%p, pMapRegion=%p, "
+ "rc=SQLITE_OK\n", osGetCurrentProcessId(),
+ pFile, pFile->pMapRegion));
+ }else{
+ pFile->lastErrno = osGetLastError();
+ OSTRACE(("SYNC-MMAP pid=%lu, pFile=%p, pMapRegion=%p, "
+ "rc=SQLITE_IOERR_MMAP\n", osGetCurrentProcessId(),
+ pFile, pFile->pMapRegion));
+ return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
+ "winSync1", pFile->zPath);
+ }
+ }
+#endif
rc = osFlushFileBuffers(pFile->h);
SimulateIOError( rc=FALSE );
if( rc ){
- OSTRACE(("SYNC file=%p, rc=SQLITE_OK\n", pFile->h));
+ OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return SQLITE_OK;
}else{
pFile->lastErrno = osGetLastError();
- OSTRACE(("SYNC file=%p, rc=SQLITE_IOERR_FSYNC\n", pFile->h));
+ OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_FSYNC\n",
+ osGetCurrentProcessId(), pFile, pFile->h));
return winLogError(SQLITE_IOERR_FSYNC, pFile->lastErrno,
- "winSync", pFile->zPath);
+ "winSync2", pFile->zPath);
}
#endif
}
@@ -4752,7 +4797,7 @@ static int winOpen(
}
}
#endif
- winLogIoerr(cnt);
+ winLogIoerr(cnt, __LINE__);
OSTRACE(("OPEN file=%p, name=%s, access=%lx, rc=%s\n", h, zUtf8Name,
dwDesiredAccess, (h==INVALID_HANDLE_VALUE) ? "failed" : "ok"));
@@ -4936,7 +4981,7 @@ static int winDelete(
if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename);
}else{
- winLogIoerr(cnt);
+ winLogIoerr(cnt, __LINE__);
}
sqlite3_free(zConverted);
OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
@@ -4986,7 +5031,7 @@ static int winAccess(
attr = sAttrData.dwFileAttributes;
}
}else{
- winLogIoerr(cnt);
+ winLogIoerr(cnt, __LINE__);
if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
sqlite3_free(zConverted);
return winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess",
@@ -5555,7 +5600,7 @@ int sqlite3_os_init(void){
/* Double-check that the aSyscall[] array has been constructed
** correctly. See ticket [bb3a86e890c8e96ab] */
- assert( ArraySize(aSyscall)==79 );
+ assert( ArraySize(aSyscall)==80 );
/* get memory map allocation granularity */
memset(&winSysInfo, 0, sizeof(SYSTEM_INFO));
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-19 09:32:19 +0000