ckptLock         49327 ext/sqlite3/libsqlite/sqlite3.c   u8 ckptLock;               /* True if holding a checkpoint lock */
ckptLock         49976 ext/sqlite3/libsqlite/sqlite3.c   assert( pWal->ckptLock==1 || pWal->ckptLock==0 );
ckptLock         49980 ext/sqlite3/libsqlite/sqlite3.c   iLock = WAL_ALL_BUT_WRITE + pWal->ckptLock;
ckptLock         50437 ext/sqlite3/libsqlite/sqlite3.c   assert( pWal->ckptLock && pWal->hdr.mxFrame>0 );
ckptLock         51877 ext/sqlite3/libsqlite/sqlite3.c   assert( pWal->ckptLock==0 );
ckptLock         51901 ext/sqlite3/libsqlite/sqlite3.c   pWal->ckptLock = 1;
ckptLock         51959 ext/sqlite3/libsqlite/sqlite3.c   pWal->ckptLock = 0;