Lines Matching defs:xShmLock

1166   int (*xShmLock)(sqlite3_file*, int offset, int n, int flags);
1460 ** obtain a file lock using the xLock or xShmLock methods of the VFS.
1844 ** CAPI3REF: Flags for the xShmLock VFS method
1847 ** allowed by the xShmLock method of [sqlite3_io_methods].  The
1849 ** xShmLock method:
1861 ** The xShmLock method can transition between unlocked and SHARED or
1871 ** CAPI3REF: Maximum xShmLock index
1873 ** The xShmLock method on [sqlite3_io_methods] may use values
26208   return id->pMethods->xShmLock(id, offset, n, flags);
37509   0,                              /* xShmLock */
37533   0,                              /* xShmLock */
43363 ** different here than in posix.  In xShmLock(), one can go from unlocked
43918    unixShmLock,                /* xShmLock */                                \
51269   winShmLock,                     /* xShmLock */
51295   winShmLock,                     /* xShmLock */
53042   0,                               /* xShmLock */
69337   ** happen if the connection is actually in exclusive mode (as no xShmLock
106353   0,                /* xShmLock */
221149   **   * Calls to xShmLock(UNLOCK) to release the exclusive shm WRITER,
222599 **     avoid creating a *-shm file on disk. Additionally, xShmLock() calls
222602 **     xShmLock() is called before xShmMap().
222614 **     xShmLock() WRITER, CHECKPOINTER and READ0 locks on the target
222615 **     database file are recorded. xShmLock() calls to unlock the same
222624     int (*xShmLock)(sqlite3_file*,int,int,int) = p->pReal->pMethods->xShmLock;
222628         xShmLock(p->pReal, i, 1, SQLITE_SHM_UNLOCK|SQLITE_SHM_EXCLUSIVE);
223066       rc = p->pReal->pMethods->xShmLock(p->pReal, ofst, n, flags);
223186     rbuVfsShmLock,                /* xShmLock */
223268     if( pMeth->iVersion<2 || pMeth->xShmLock==0 ){