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Diffstat (limited to '')
| -rw-r--r-- | src/include/storage/lwlock.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/include/storage/lwlock.h b/src/include/storage/lwlock.h index e03d317..d88fa4b 100644 --- a/src/include/storage/lwlock.h +++ b/src/include/storage/lwlock.h @@ -23,6 +23,14 @@ struct PGPROC; +/* what state of the wait process is a backend in */ +typedef enum LWLockWaitState +{ + LW_WS_NOT_WAITING, /* not currently waiting / woken up */ + LW_WS_WAITING, /* currently waiting */ + LW_WS_PENDING_WAKEUP /* removed from waitlist, but not yet signalled */ +} LWLockWaitState; + /* * Code outside of lwlock.c should not manipulate the contents of this * structure directly, but we have to declare it here to allow LWLocks to be |