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Add debug check function LWLockHeldByMeInMode()

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Tests whether my process holds a lock in given mode.
Add initial usage in MarkBufferDirty().

Thomas Munro
This commit is contained in:
Simon Riggs
2016-09-05 10:38:08 +01:00
parent ec03f4121c
commit 016abf1fb8
3 changed files with 23 additions and 5 deletions
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src/include/storage/lwlock.h
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@@ -175,6 +175,7 @@ extern void LWLockRelease(LWLock *lock);
extern void LWLockReleaseClearVar(LWLock *lock, uint64 *valptr, uint64 val);
extern void LWLockReleaseAll(void);
extern bool LWLockHeldByMe(LWLock *lock);
extern bool LWLockHeldByMeInMode(LWLock *lock, LWLockMode mode);
extern bool LWLockWaitForVar(LWLock *lock, uint64 *valptr, uint64 oldval, uint64 *newval);
extern void LWLockUpdateVar(LWLock *lock, uint64 *valptr, uint64 value);