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Changes so that if SQLITE_ENABLE_SETLK_TIMEOUT is defined as 2 instead of 1, all blocking locks are taken for a single millisecond and the default busy-handler invoked as normal.

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FossilOrigin-Name: 79e24ec3dd40373bbb93792829b18d9ef40daf19d4606174e36c8e19e61a7529
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dan
2023-11-15 19:19:04 +00:00
parent 9eb7694d58 4ffaa7c5de
commit 91c8e65dd4
4 changed files with 19 additions and 13 deletions
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5
src/wal.c
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@@ -4204,10 +4204,9 @@ int sqlite3WalCheckpoint(
if( pWal->readOnly ) return SQLITE_READONLY;
WALTRACE(("WAL%p: checkpoint begins\n", pWal));
/* Enable blocking locks, if possible. If blocking locks are successfully
** enabled, set xBusy2=0 so that the busy-handler is never invoked. */
/* Enable blocking locks, if possible. */
sqlite3WalDb(pWal, db);
(void)walEnableBlocking(pWal);
if( xBusy2 ) (void)walEnableBlocking(pWal);
/* IMPLEMENTATION-OF: R-62028-47212 All calls obtain an exclusive
** "checkpoint" lock on the database file.