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Refactor wal.c to use the VFS. This check-in compiles and links and works

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ok as long as you leave WAL turned off, but WAL does not work.

FossilOrigin-Name: 62db5fa3b61be885b2d94e9b9ce3877b2c588350
This commit is contained in:
drh
2010-04-29 22:34:07 +00:00
parent 31cbbbad1c
commit 7ed91f2344
14 changed files with 534 additions and 1210 deletions
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7
src/os_unix.c
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@@ -5049,6 +5049,7 @@ static int unixShmClose(sqlite3_shm *pSharedMem){
unixShm **pp; /* For looping over sibling connections */
int nRef; /* Number of connections to pFile */
if( pSharedMem==0 ) return SQLITE_OK;
p = (struct unixShm*)pSharedMem;
pFile = p->pFile;
@@ -5092,7 +5093,7 @@ static int unixShmSize(
sqlite3_shm *pSharedMem, /* Pointer returned by unixShmOpen() */
int reqSize, /* Requested size. -1 for query only */
int *pNewSize, /* Write new size here */
char **ppBuf /* Write new buffer origin here */
void **ppBuf /* Write new buffer origin here */
){
unixShm *p = (unixShm*)pSharedMem;
unixShmFile *pFile = p->pFile;
@@ -5165,7 +5166,7 @@ static int unixShmLock(
|| desiredLock==p->lockState
|| (desiredLock==SQLITE_SHM_READ && p->lockState==SQLITE_SHM_READ_FULL)
){
*pGotLock = p->lockState;
if( pGotLock ) *pGotLock = p->lockState;
return SQLITE_OK;
}
@@ -5257,7 +5258,7 @@ static int unixShmLock(
}
}
sqlite3_mutex_leave(pFile->mutex);
*pGotLock = p->lockState;
if( pGotLock ) *pGotLock = p->lockState;
return rc;
}