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lwlock: Remove ForEachLWLockHeldByMe

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As of commit fcb9c977aa, ForEachLWLockHeldByMe(), introduced in f4ece891fc,
is not used anymore, as content locks are now implemented in bufmgr.c.  It
doesn't seem that likely that a new user of the functionality will appear all
that soon, making removal of the function seem like the most sensible path. It
can easily be added back if necessary.

Discussion: https://postgr.es/m/lneuyxqxamqoayd2ntau3lqjblzdckw6tjgeu4574ezwh4tzlg%40noioxkquezdw
This commit is contained in:
Andres Freund
2026-01-15 14:54:16 -05:00
parent 335f2231a3
commit 55fbfb738b
2 changed files with 0 additions and 17 deletions
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15
src/backend/storage/lmgr/lwlock.c
View File

@@ -1955,21 +1955,6 @@ LWLockReleaseAll(void)
}
/*
* ForEachLWLockHeldByMe - run a callback for each held lock
*
* This is meant as debug support only.
*/
void
ForEachLWLockHeldByMe(void (*callback) (LWLock *, LWLockMode, void *),
void *context)
{
int i;
for (i = 0; i < num_held_lwlocks; i++)
callback(held_lwlocks[i].lock, held_lwlocks[i].mode, context);
}
/*
* LWLockHeldByMe - test whether my process holds a lock in any mode
*

2
src/include/storage/lwlock.h
View File

@@ -129,8 +129,6 @@ extern void LWLockReleaseClearVar(LWLock *lock, pg_atomic_uint64 *valptr, uint64
extern void LWLockReleaseAll(void);
extern void LWLockDisown(LWLock *lock);
extern void LWLockReleaseDisowned(LWLock *lock, LWLockMode mode);
extern void ForEachLWLockHeldByMe(void (*callback) (LWLock *, LWLockMode, void *),
void *context);
extern bool LWLockHeldByMe(LWLock *lock);
extern bool LWLockAnyHeldByMe(LWLock *lock, int nlocks, size_t stride);
extern bool LWLockHeldByMeInMode(LWLock *lock, LWLockMode mode);