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Allow the unlink() system call to be overridden in os_unix.c.

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FossilOrigin-Name: 8d1b5c3ac027ac00d57a250aad45230a09645617
This commit is contained in:
drh
2011-08-08 23:18:05 +00:00
parent a5ae4c330b
commit 036ac7fa90
4 changed files with 20 additions and 17 deletions
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19
src/os_unix.c
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@@ -394,6 +394,9 @@ static struct unix_syscall {
#endif
#define osFallocate ((int(*)(int,off_t,off_t))aSyscall[15].pCurrent)
{ "unlink", (sqlite3_syscall_ptr)unlink, 0 },
#define osUnlink ((int(*)(const char*))aSyscall[16].pCurrent)
}; /* End of the overrideable system calls */
/*
@@ -1761,7 +1764,7 @@ static int closeUnixFile(sqlite3_file *id){
#if OS_VXWORKS
if( pFile->pId ){
if( pFile->isDelete ){
unlink(pFile->pId->zCanonicalName);
osUnlink(pFile->pId->zCanonicalName);
}
vxworksReleaseFileId(pFile->pId);
pFile->pId = 0;
@@ -2010,7 +2013,7 @@ static int dotlockUnlock(sqlite3_file *id, int eFileLock) {
/* To fully unlock the database, delete the lock file */
assert( eFileLock==NO_LOCK );
if( unlink(zLockFile) ){
if( osUnlink(zLockFile) ){
int rc = 0;
int tErrno = errno;
if( ENOENT != tErrno ){
@@ -4162,7 +4165,7 @@ static int unixShmUnmap(
assert( pShmNode->nRef>0 );
pShmNode->nRef--;
if( pShmNode->nRef==0 ){
if( deleteFlag && pShmNode->h>=0 ) unlink(pShmNode->zFilename);
if( deleteFlag && pShmNode->h>=0 ) osUnlink(pShmNode->zFilename);
unixShmPurge(pDbFd);
}
unixLeaveMutex();
@@ -4642,7 +4645,7 @@ static int fillInUnixFile(
if( rc!=SQLITE_OK ){
if( h>=0 ) robust_close(pNew, h, __LINE__);
h = -1;
unlink(zFilename);
osUnlink(zFilename);
isDelete = 0;
}
pNew->isDelete = isDelete;
@@ -5049,7 +5052,7 @@ static int unixOpen(
#if OS_VXWORKS
zPath = zName;
#else
unlink(zName);
osUnlink(zName);
#endif
}
#if SQLITE_ENABLE_LOCKING_STYLE
@@ -5164,7 +5167,7 @@ static int unixDelete(
int rc = SQLITE_OK;
UNUSED_PARAMETER(NotUsed);
SimulateIOError(return SQLITE_IOERR_DELETE);
if( unlink(zPath)==(-1) && errno!=ENOENT ){
if( osUnlink(zPath)==(-1) && errno!=ENOENT ){
return unixLogError(SQLITE_IOERR_DELETE, "unlink", zPath);
}
#ifndef SQLITE_DISABLE_DIRSYNC
@@ -5921,7 +5924,7 @@ static int proxyBreakConchLock(unixFile *pFile, uuid_t myHostID){
end_breaklock:
if( rc ){
if( fd>=0 ){
unlink(tPath);
osUnlink(tPath);
robust_close(pFile, fd, __LINE__);
}
fprintf(stderr, "failed to break stale lock on %s, %s\n", cPath, errmsg);
@@ -6744,7 +6747,7 @@ int sqlite3_os_init(void){
/* Double-check that the aSyscall[] array has been constructed
** correctly. See ticket [bb3a86e890c8e96ab] */
assert( ArraySize(aSyscall)==16 );
assert( ArraySize(aSyscall)==17 );
/* Register all VFSes defined in the aVfs[] array */
for(i=0; i<(sizeof(aVfs)/sizeof(sqlite3_vfs)); i++){