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Improved reuse of file descriptors for which close() is delayed to prevent

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clearly of posix advisory locks.

FossilOrigin-Name: 509c1ba26a4c12c63ecf04ddfa2f175eaf4dd9b96ab7be15faebd36deb0a0a31
This commit is contained in:
drh
2019-08-06 20:55:06 +00:00
parent a2de66c6b4
commit 55220a6c70
3 changed files with 10 additions and 8 deletions
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4
src/os_unix.c
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@@ -5770,6 +5770,7 @@ static UnixUnusedFd *findReusableFd(const char *zPath, int flags){
UnixUnusedFd **pp;
assert( sqlite3_mutex_notheld(pInode->pLockMutex) );
sqlite3_mutex_enter(pInode->pLockMutex);
flags &= (SQLITE_OPEN_READONLY|SQLITE_OPEN_READWRITE);
for(pp=&pInode->pUnused; *pp && (*pp)->flags!=flags; pp=&((*pp)->pNext));
pUnused = *pp;
if( pUnused ){
@@ -6073,7 +6074,8 @@ static int unixOpen(
if( p->pPreallocatedUnused ){
p->pPreallocatedUnused->fd = fd;
p->pPreallocatedUnused->flags = flags;
p->pPreallocatedUnused->flags =
flags & (SQLITE_OPEN_READONLY|SQLITE_OPEN_READWRITE);
}
if( isDelete ){