libMesh::Threads::spin_mutex Class Reference

#include <threads.h>

List of all members.

Classes
class	scoped_lock
Public Member Functions
	spin_mutex ()
	~spin_mutex ()
void	lock ()
void	unlock ()
	spin_mutex ()
	~spin_mutex ()
void	lock ()
void	unlock ()
	spin_mutex ()
void	lock ()
void	unlock ()
Private Attributes
OSSpinLock	slock
pthread_spinlock_t	slock

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Detailed Description

Spin mutex. Implements mutual exclusion by busy-waiting in user space for the lock to be acquired.

Definition at line 335 of file threads.h.

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Constructor & Destructor Documentation

libMesh::Threads::spin_mutex::spin_mutex

(

)

[inline]

Definition at line 338 of file threads.h.

: slock(0) {} // The convention is that the lock being zero is _unlocked_

libMesh::Threads::spin_mutex::~spin_mutex

(

)

[inline]

Definition at line 339 of file threads.h.

{}

libMesh::Threads::spin_mutex::spin_mutex

(

)

[inline]

Definition at line 367 of file threads.h.

References slock.

{ pthread_spin_init(&slock, PTHREAD_PROCESS_PRIVATE); }

libMesh::Threads::spin_mutex::~spin_mutex

(

)

[inline]

Definition at line 368 of file threads.h.

References slock.

{ pthread_spin_destroy(&slock); }

libMesh::Threads::spin_mutex::spin_mutex

(

)

[inline]

Definition at line 863 of file threads.h.

{}

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Member Function Documentation

void libMesh::Threads::spin_mutex::lock

(

)

[inline]

Definition at line 341 of file threads.h.

References slock.

Referenced by libMesh::Threads::spin_mutex::scoped_lock::acquire(), and libMesh::Threads::spin_mutex::scoped_lock::scoped_lock().

{ OSSpinLockLock(&slock); }

void libMesh::Threads::spin_mutex::lock

(

)

[inline]

Definition at line 370 of file threads.h.

References slock.

{ pthread_spin_lock(&slock); }

void libMesh::Threads::spin_mutex::lock

(

)

[inline]

Definition at line 864 of file threads.h.

{}

void libMesh::Threads::spin_mutex::unlock

(

)

[inline]

Definition at line 342 of file threads.h.

References slock.

Referenced by libMesh::Threads::spin_mutex::scoped_lock::release().

{ OSSpinLockUnlock(&slock); }

void libMesh::Threads::spin_mutex::unlock

(

)

[inline]

Definition at line 371 of file threads.h.

References slock.

{ pthread_spin_unlock(&slock); }

void libMesh::Threads::spin_mutex::unlock

(

)

[inline]

Definition at line 865 of file threads.h.

{}

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Member Data Documentation

OSSpinLock libMesh::Threads::spin_mutex::slock [private]

Definition at line 360 of file threads.h.

Referenced by lock(), spin_mutex(), unlock(), and ~spin_mutex().

pthread_spinlock_t libMesh::Threads::spin_mutex::slock [private]

Definition at line 389 of file threads.h.

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

• threads.h