diff options
Diffstat (limited to 'src/sqlite.h.in')
| -rw-r--r-- | src/sqlite.h.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sqlite.h.in b/src/sqlite.h.in index 06e0f7eb9..f0f6f5ddc 100644 --- a/src/sqlite.h.in +++ b/src/sqlite.h.in @@ -945,6 +945,13 @@ struct sqlite3_io_methods { ** pointed to by the pArg argument. This capability is used during testing ** and only needs to be supported when SQLITE_TEST is defined. ** +** <li>[[SQLITE_FCNTL_WAL_BLOCK]] +** The [SQLITE_FCNTL_WAL_BLOCK] is a single to the VFS layer that it might +** be advantageous to block on the next WAL lock if the lock is not immediately +** available. The WAL subsystem issues this ioctl() during some rare +** circumstances in order to fix a problem with priority inversion. +** Applications should <em>not</em> use this file-control. +** ** </ul> */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -969,6 +976,7 @@ struct sqlite3_io_methods { #define SQLITE_FCNTL_SYNC 21 #define SQLITE_FCNTL_COMMIT_PHASETWO 22 #define SQLITE_FCNTL_WIN32_SET_HANDLE 23 +#define SQLITE_FCNTL_WAL_BLOCK 24 /* deprecated names */ #define SQLITE_GET_LOCKPROXYFILE SQLITE_FCNTL_GET_LOCKPROXYFILE |