nidas::util::MutexAttributes Class Reference

A C++ wrapper for a POSIX mutex attributes. More...

#include <ThreadSupport.h>

Public Member Functions
	MutexAttributes ()
	Create instance with default values, type = PTHREAD_MUTEX_DEFAULT, priority protocol=PTHREAD_PRIO_NONE and pshared = PTHREAD_PROCESS_PRIVATE.
	MutexAttributes (const MutexAttributes &)
	Copy constructor.
	~MutexAttributes ()
void	setType (int val)
	Set the mutex type attribute, one of PTHREAD_MUTEX_NORMAL,PTHREAD_MUTEX_ERRORCHECK,PTHREAD_MUTEX_RECURSIVE, or PTHREAD_MUTEX_DEFAULT.
int	getType () const
void	setPShared (int val)
	Set the mutex pshared attribute, one of PTHREAD_PROCESS_PRIVATE or PTHREAD_PROCESS_SHARED.
int	getPShared () const
pthread_mutexattr_t *	ptr ()

Private Attributes
pthread_mutexattr_t	_attrs

Detailed Description

A C++ wrapper for a POSIX mutex attributes.

These are customizations for Mutexes, and are only needed if you want more than the default error checking, if you want recursive behaviour where a thread can hold more than lock on the same mutex, if you are using fine-grained thread scheduling priority, or want to share a Mutex between processes.

See man pages for pthread_mutexattr_init, pthread_mutexattr_settype, pthread_mutexattr_setprioceiling, pthread_mutexattr_setprotocol, and pthread_mutexattr_setpshared.

Constructor & Destructor Documentation

MutexAttributes() [1/2]

MutexAttributes::MutexAttributes

(

)

Create instance with default values, type = PTHREAD_MUTEX_DEFAULT, priority protocol=PTHREAD_PRIO_NONE and pshared = PTHREAD_PROCESS_PRIVATE.

References _attrs.

MutexAttributes() [2/2]

MutexAttributes::MutexAttributes

(

const MutexAttributes &

x

)

Copy constructor.

References _attrs, setPShared(), and setType().

~MutexAttributes()

MutexAttributes::~MutexAttributes

(

)

References _attrs.

Member Function Documentation

getPShared()

int MutexAttributes::getPShared

(

)

const

References _attrs.

getType()

int MutexAttributes::getType

(

)

const

References _attrs.

ptr()

pthread_mutexattr_t * nidas::util::MutexAttributes::ptr ( )

inline

References _attrs.

Referenced by nidas::util::Mutex::Mutex().

setPShared()

void MutexAttributes::setPShared

(

int

val

)

Set the mutex pshared attribute, one of PTHREAD_PROCESS_PRIVATE or PTHREAD_PROCESS_SHARED.

See pthread_mutexattr_setpshared.

Exceptions

Exception

References _attrs.

Referenced by MutexAttributes().

setType()

void MutexAttributes::setType

(

int

val

)

Set the mutex type attribute, one of PTHREAD_MUTEX_NORMAL,PTHREAD_MUTEX_ERRORCHECK,PTHREAD_MUTEX_RECURSIVE, or PTHREAD_MUTEX_DEFAULT.

See pthread_mutexattr_settype.

Exceptions

Exception

References _attrs.

Referenced by MutexAttributes().

Member Data Documentation

_attrs

pthread_mutexattr_t nidas::util::MutexAttributes::_attrs

private

Referenced by getPShared(), getType(), MutexAttributes(), MutexAttributes(), ptr(), setPShared(), setType(), and ~MutexAttributes().

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

• nidas/util/ThreadSupport.h
• nidas/util/ThreadSupport.cc