oh_scoped_lock_histogram Class Reference

Scoped lock to be used for threaded histogram operations. More...

#include <OHLockedHist.h>

Inheritance diagram for oh_scoped_lock_histogram:

Collaboration diagram for oh_scoped_lock_histogram:

Public Member Functions
	oh_scoped_lock_histogram ()
	Lock.
	~oh_scoped_lock_histogram ()
	Unlock.

Static Public Member Functions
static void	set_histogram_mutex (std::mutex &mutex)
	Set mutex to be used in oh_lock_histogram.
static void	reset_histogram_mutex ()
	Reset (disable) histogram mutex.

Static Protected Attributes
static std::mutex *m_mutex	ATLAS_THREAD_SAFE

Private Member Functions
void *	operator new (size_t)
	Do not allow dynamic allocation to avoid accidental deadlocks.

Detailed Description

Scoped lock to be used for threaded histogram operations.

This is the scoped version of oh_lock_histogram in case you need to protect several histogram operations.

Example:

{
  oh_scoped_lock_histogram lock;
  myhistogram->Fill(...);
  myhistogram->LabelsDeflate();
}

Definition at line 108 of file OHLockedHist.h.

Constructor & Destructor Documentation

oh_scoped_lock_histogram()

oh_scoped_lock_histogram::oh_scoped_lock_histogram ( )

inline

Lock.

Definition at line 111 of file OHLockedHist.h.

  {
    if (m_mutex) m_mutex->lock();
  }

~oh_scoped_lock_histogram()

oh_scoped_lock_histogram::~oh_scoped_lock_histogram ( )

inline

Unlock.

Definition at line 117 of file OHLockedHist.h.

  {
    if (m_mutex) m_mutex->unlock();
  }

Member Function Documentation

operator new()

void * oh_scoped_lock_histogram::operator new ( size_t )

private

Do not allow dynamic allocation to avoid accidental deadlocks.

reset_histogram_mutex()

void oh_lock_histogram_mutex::reset_histogram_mutex ( )

inlinestaticinherited

Reset (disable) histogram mutex.

Definition at line 39 of file OHLockedHist.h.

{ m_mutex = nullptr; }

set_histogram_mutex()

void oh_lock_histogram_mutex::set_histogram_mutex ( std::mutex & mutex )

inlinestaticinherited

Set mutex to be used in oh_lock_histogram.

Definition at line 36 of file OHLockedHist.h.

{ m_mutex = &mutex; }

Member Data Documentation

ATLAS_THREAD_SAFE

std::mutex* m_mutex oh_lock_histogram_mutex::ATLAS_THREAD_SAFE

staticprotectedinherited

Definition at line 46 of file OHLockedHist.h.

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The documentation for this class was generated from the following file:

• OHLockedHist.h