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Atomic bools for RWLockMonitor

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This commit is contained in:
Leonid Fedorov
2023-04-20 23:46:30 +00:00
parent 9729d7cfba
commit 4a8e53f14d
7 changed files with 28 additions and 24 deletions
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8
versioning/BRM/extentmap.cpp
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@ -20,7 +20,7 @@
* $Id: extentmap.cpp 1936 2013-07-09 22:10:29Z dhall $
*
****************************************************************************/
#include <atomic>
#include <iostream>
#include <sys/types.h>
#include <sys/time.h>
@ -6036,17 +6036,17 @@ void ExtentMap::confirmChangesRBTree()
undoRecordsRBTree.clear();
}
const bool* ExtentMap::getEMFLLockStatus()
const std::atomic<bool>* ExtentMap::getEMFLLockStatus()
{
return &flLocked;
}
const bool* ExtentMap::getEMLockStatus()
const std::atomic<bool>* ExtentMap::getEMLockStatus()
{
return &emLocked;
}
const bool* ExtentMap::getEMIndexLockStatus()
const std::atomic<bool>* ExtentMap::getEMIndexLockStatus()
{
return &emIndexLocked;
}

10
versioning/BRM/extentmap.h
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@ -1035,9 +1035,9 @@ class ExtentMap : public Undoable
EXPORT std::vector<InlineLBIDRange> getFreeListEntries();
EXPORT void dumpTo(std::ostream& os);
EXPORT const bool* getEMLockStatus();
EXPORT const bool* getEMFLLockStatus();
EXPORT const bool* getEMIndexLockStatus();
EXPORT const std::atomic<bool>* getEMLockStatus();
EXPORT const std::atomic<bool>* getEMFLLockStatus();
EXPORT const std::atomic<bool>* getEMIndexLockStatus();
size_t EMIndexShmemSize();
size_t EMIndexShmemFree();
@ -1087,7 +1087,9 @@ class ExtentMap : public Undoable
time_t fCacheTime; // timestamp associated with config cache
int numUndoRecords;
bool flLocked, emLocked, emIndexLocked;
std::atomic<bool> flLocked{false};
std::atomic<bool> emLocked{false};
std::atomic<bool> emIndexLocked{false};
static boost::mutex mutex; // @bug5355 - made mutex static
static boost::mutex emIndexMutex;

2
versioning/BRM/rwlockmonitor.cpp
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@ -35,7 +35,7 @@ using namespace logging;
namespace BRM
{
RWLockMonitor::RWLockMonitor(const bool* d, const bool* ls, const uint32_t k) : die(d), lockStatus(ls), key(k)
RWLockMonitor::RWLockMonitor(const std::atomic<bool>* d, const std::atomic<bool>* ls, const uint32_t k) : die(d), lockStatus(ls), key(k)
{
ts.tv_sec = 210; // 3:30 timer
ts.tv_nsec = 0;

7
versioning/BRM/rwlockmonitor.h
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@ -28,6 +28,7 @@
#include <boost/scoped_ptr.hpp>
#include "rwlock.h"
#include <atomic>
#define EXPORT
@ -37,7 +38,7 @@ class RWLockMonitor
{
public:
// d = die, ls = lock status, k = key
EXPORT RWLockMonitor(const bool* d, const bool* ls, const uint32_t k);
EXPORT RWLockMonitor(const std::atomic<bool>* d, const std::atomic<bool>* ls, const uint32_t k);
EXPORT virtual ~RWLockMonitor();
@ -49,8 +50,8 @@ class RWLockMonitor
// RWLockMonitor& operator=(const RWLockMonitor&rhs);
/* Some of these vars are only useful once we implement write_lock checking. */
const bool* die;
const bool* lockStatus;
const std::atomic<bool>* die;
const std::atomic<bool>* lockStatus;
uint32_t key;
boost::shared_ptr<rwlock::RWLock> lock;

10
versioning/BRM/slavedbrmnode.cpp
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@ -1482,27 +1482,27 @@ int SlaveDBRMNode::dmlReleaseLBIDRanges(const vector<LBIDRange>& ranges)
}
}
const bool* SlaveDBRMNode::getEMFLLockStatus()
const std::atomic<bool>* SlaveDBRMNode::getEMFLLockStatus()
{
return em.getEMFLLockStatus();
}
const bool* SlaveDBRMNode::getEMLockStatus()
const std::atomic<bool>* SlaveDBRMNode::getEMLockStatus()
{
return em.getEMLockStatus();
}
const bool* SlaveDBRMNode::getEMIndexLockStatus()
const std::atomic<bool> *SlaveDBRMNode::getEMIndexLockStatus()
{
return em.getEMIndexLockStatus();
}
const bool* SlaveDBRMNode::getVBBMLockStatus()
const std::atomic<bool>* SlaveDBRMNode::getVBBMLockStatus()
{
return &locked[0];
}
const bool* SlaveDBRMNode::getVSSLockStatus()
const std::atomic<bool>* SlaveDBRMNode::getVSSLockStatus()
{
return &locked[1];
}

12
versioning/BRM/slavedbrmnode.h
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@ -455,11 +455,11 @@ class SlaveDBRMNode
EXPORT int loadState(std::string filename) throw();
EXPORT int saveState(std::string filename) throw();
EXPORT const bool* getEMFLLockStatus();
EXPORT const bool* getEMLockStatus();
EXPORT const bool* getEMIndexLockStatus();
EXPORT const bool* getVBBMLockStatus();
EXPORT const bool* getVSSLockStatus();
EXPORT const std::atomic<bool>* getEMFLLockStatus();
EXPORT const std::atomic<bool>* getEMLockStatus();
EXPORT const std::atomic<bool>* getEMIndexLockStatus();
EXPORT const std::atomic<bool>* getVBBMLockStatus();
EXPORT const std::atomic<bool>* getVSSLockStatus();
private:
explicit SlaveDBRMNode(const SlaveDBRMNode& brm);
@ -471,7 +471,7 @@ class SlaveDBRMNode
VBBM vbbm;
VSS vss;
CopyLocks copylocks;
bool locked[3]; // 0 = VBBM, 1 = VSS, 2 = CopyLocks
std::atomic<bool> locked[3] {false, false, false}; // 0 = VBBM, 1 = VSS, 2 = CopyLocks
};
} // namespace BRM

3
versioning/BRM/slavenode.cpp
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@ -36,12 +36,13 @@
#include "crashtrace.h"
#include "service.h"
#include "jobstep.h"
#include <atomic>
using namespace BRM;
using namespace std;
std::unique_ptr<SlaveComm> comm;
bool die = false;
std::atomic<bool> die{false};
boost::thread_group monitorThreads;
class Opt