lib/sqlite/sqlite3.c

9084 ** sqlite3OsLock(). The various locks exhibit the following semantics:
9094 ** PENDING_LOCK may not be passed directly to sqlite3OsLock(). Instead, a
9097 ** sqlite3OsLock().
9183 SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file*, int);
14368 **     sqlite3OsLock()
14416 SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file *id, int lockType){
38621     rc = sqlite3OsLock(pPager->fd, eLock);
40947 ** The pager invokes the busy-handler if sqlite3OsLock() returns
41160 ** Otherwise, attempt to obtain the lock using sqlite3OsLock(). Invoke
46174     rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE);