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-rw-r--r--src/os_unix.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/os_unix.c b/src/os_unix.c
index aadb414af..01de00e0d 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -4288,10 +4288,12 @@ static int unixOpenSharedMemory(unixFile *pDbFd){
pShmNode->h = -1;
pDbFd->pInode->pShmNode = pShmNode;
pShmNode->pInode = pDbFd->pInode;
- pShmNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
- if( pShmNode->mutex==0 ){
- rc = SQLITE_NOMEM_BKPT;
- goto shm_open_err;
+ if( sqlite3GlobalConfig.bCoreMutex ){
+ pShmNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
+ if( pShmNode->mutex==0 ){
+ rc = SQLITE_NOMEM_BKPT;
+ goto shm_open_err;
+ }
}
if( pInode->bProcessLock==0 ){