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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "common/mutex_debug.h"
#include "common/perf_counters.h"
#include "common/ceph_context.h"
#include "common/config.h"
namespace ceph {
namespace mutex_debug_detail {
enum {
l_mutex_first = 999082,
l_mutex_wait,
l_mutex_last
};
mutex_debugging_base::mutex_debugging_base(const std::string &n, bool bt)
: name(n), id(-1), backtrace(bt), nlock(0), locked_by(thread::id())
{
if (g_lockdep)
_register();
}
mutex_debugging_base::mutex_debugging_base(const char *n, bool bt)
: name(n), id(-1), backtrace(bt), nlock(0), locked_by(thread::id())
{
if (g_lockdep)
_register();
}
mutex_debugging_base::~mutex_debugging_base() {
ceph_assert(nlock == 0);
if (g_lockdep) {
lockdep_unregister(id);
}
}
void mutex_debugging_base::_register() {
id = lockdep_register(name.c_str());
}
void mutex_debugging_base::_will_lock(bool recursive) { // about to lock
id = lockdep_will_lock(name.c_str(), id, backtrace, recursive);
}
void mutex_debugging_base::_locked() { // just locked
id = lockdep_locked(name.c_str(), id, backtrace);
}
void mutex_debugging_base::_will_unlock() { // about to unlock
id = lockdep_will_unlock(name.c_str(), id);
}
} // namespace mutex_debug_detail
} // namespace ceph
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