From ae046a2e38cb07eb61c6dae62c3dd2011b8541d1 Mon Sep 17 00:00:00 2001
From: Levi Neely <lkn@darkstar.example.net>
Date: Sun, 8 Mar 2026 14:58:47 +0100
Subject: [PATCH] =?UTF-8?q?Add=20lock=20ordering=20assertions=20for=20psql?=
 =?UTF-8?q?=5Flock=20=E2=86=92=20file=20mutex?=
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---
 pclsync/pfs.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pclsync/pfs.h b/pclsync/pfs.h
index db14a3b..ae11a30 100644
--- a/pclsync/pfs.h
+++ b/pclsync/pfs.h
@@ -145,6 +145,10 @@ typedef struct {
 extern PSYNC_THREAD const char *psync_thread_name; 
 static inline int pfs_do_lock_file(psync_openfile_t *of, const char *file,
                                          unsigned long line) {
+  if (!psql_locked()) {
+    pdbg_logf(D_ERROR, "lock ordering violation: pfs_lock_file called without psql_lock at %s:%lu", file, line);
+    abort();
+  }
   if (unlikely(pthread_mutex_trylock(&of->mutex))) {
     struct timespec tm;
     clock_gettime(CLOCK_REALTIME, &tm);