diff options
Diffstat (limited to 'src/include/storage/lwlock.h')
| -rw-r--r-- | src/include/storage/lwlock.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/storage/lwlock.h b/src/include/storage/lwlock.h index 8840c791dd1..3a1953383e8 100644 --- a/src/include/storage/lwlock.h +++ b/src/include/storage/lwlock.h @@ -169,13 +169,17 @@ typedef enum LWLockMode extern bool Trace_lwlocks; #endif -extern void LWLockAcquire(LWLock *lock, LWLockMode mode); +extern bool LWLockAcquire(LWLock *lock, LWLockMode mode); extern bool LWLockConditionalAcquire(LWLock *lock, LWLockMode mode); extern bool LWLockAcquireOrWait(LWLock *lock, LWLockMode mode); extern void LWLockRelease(LWLock *lock); extern void LWLockReleaseAll(void); extern bool LWLockHeldByMe(LWLock *lock); +extern bool LWLockAcquireWithVar(LWLock *lock, uint64 *valptr, uint64 val); +extern bool LWLockWaitForVar(LWLock *lock, uint64 *valptr, uint64 oldval, uint64 *newval); +extern void LWLockUpdateVar(LWLock *lock, uint64 *valptr, uint64 value); + extern Size LWLockShmemSize(void); extern void CreateLWLocks(void); |