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| author | drh <drh@noemail.net> | 2016-04-26 18:58:54 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2016-04-26 18:58:54 +0000 |
| commit | 97a7e5e68cdfe31e9e020ed59d8f93787e18cd25 (patch) | |
| tree | f8822afd0388a9bac1f61fa582b2350a2ad3c845 /src/os_unix.c | |
| parent | b283a0cde90b25fd01054228e4c5a680233d4742 (diff) | |
| download | sqlite-97a7e5e68cdfe31e9e020ed59d8f93787e18cd25.tar.gz sqlite-97a7e5e68cdfe31e9e020ed59d8f93787e18cd25.zip | |
The pcache and the built-in VFSes should not use mutexes when
SQLITE_CONFIG_SINGLETHREAD is set.
FossilOrigin-Name: 12418b100196abbfbfb85e0ab4bb6b1cbf335df7
Diffstat (limited to 'src/os_unix.c')
| -rw-r--r-- | src/os_unix.c | 10 |
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 ){ |