mirror of
https://github.com/ceph/ceph
synced 2025-03-10 02:09:21 +00:00
8102981e17
make lockdep a feature which can only be enabled at compile time. we don't need to have lockdep when CEPH_DEBUG_MUTEX is OFF, so just comment it out in Release builds. Signed-off-by: Kefu Chai <kchai@redhat.com>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2008-2011 New Dream Network
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef CEPH_LOCKDEP_H
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#define CEPH_LOCKDEP_H
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#include "include/common_fwd.h"
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#ifdef CEPH_DEBUG_MUTEX
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extern bool g_lockdep;
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extern void lockdep_register_ceph_context(CephContext *cct);
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extern void lockdep_unregister_ceph_context(CephContext *cct);
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// lockdep tracks dependencies between multiple and different instances
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// of locks within a class denoted by `n`.
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// Caller is obliged to guarantee name uniqueness.
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extern int lockdep_register(const char *n);
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extern void lockdep_unregister(int id);
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extern int lockdep_will_lock(const char *n, int id, bool force_backtrace=false,
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bool recursive=false);
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extern int lockdep_locked(const char *n, int id, bool force_backtrace=false);
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extern int lockdep_will_unlock(const char *n, int id);
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extern int lockdep_dump_locks();
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#else
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static constexpr bool g_lockdep = false;
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#define lockdep_register(...) 0
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#define lockdep_unregister(...)
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#define lockdep_will_lock(...) 0
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#define lockdep_locked(...) 0
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#define lockdep_will_unlock(...) 0
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#endif // CEPH_DEBUG_MUTEX
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#endif
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