Implements read/write lock symantics.
More...
#include <ReadWriteLock.hh>
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| ReadWriteLock (baton_type Lock, mode_type Mode, const char *Filename, int Linenum) |
| Constructor. More...
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| ReadWriteLock (baton_type Lock, mode_type Mode, bool TryLock, const char *Filename, int Linenum) |
| Constructor. More...
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| ReadWriteLock (baton_type Lock, mode_type Mode, int Timeout, const char *Filename, int Linenum) |
| Constructor. More...
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virtual | ~ReadWriteLock () |
| Destructor. More...
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void | Modify (mode_type Mode, const char *Filename, int Linenum) |
| Modify the mode of lock being held on the resource. More...
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void | Release (const char *Filename, int Linenum) |
| Release the lock. More...
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Implements read/write lock symantics.
This class provides proper garbage collection of system resource used to implement thread safe read/write locks.
ReadWriteLock::baton_type
baton;
void
threaded_func()
{
__FILE__, __LINE__ );
...
}
MutexLock::baton_type baton()
Obtain lock.
Definition: ThreadPool.cc:56
◆ mode_type
◆ lock_mode
Lock mode.
Enumerator |
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NONE | |
READ | < Initial mode
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WRITE | < Read lock allows multiple concurrent reads.
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◆ lock_state
Lock state.
Enumerator |
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STATE_NONE | |
PENDING | < Initial state
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ACTIVE | < Lock requested
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◆ ReadWriteLock() [1/3]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
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baton_type |
Lock, |
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mode_type |
Mode, |
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const char * |
Filename, |
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int |
Linenum |
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) |
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Constructor.
- Parameters
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[in] | Lock | Baton controlling access to the resource. |
[in] | Mode | Any of the lock_modes. |
[in] | File | The filename from where the call was made. |
[in] | Line | The line number from where the call was made. |
◆ ReadWriteLock() [2/3]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
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baton_type |
Lock, |
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mode_type |
Mode, |
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bool |
TryLock, |
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const char * |
Filename, |
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int |
Linenum |
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) |
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Constructor.
- Parameters
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[in] | Lock | Baton controlling access to the resource. |
[in] | Mode | Any of the lock_modes. |
[in] | TryLock | If true, then return immediately wether or not the lock was obtained. |
[in] | File | The filename from where the call was made. |
[in] | Line | The line number from where the call was made. |
◆ ReadWriteLock() [3/3]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
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baton_type |
Lock, |
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mode_type |
Mode, |
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int |
Timeout, |
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const char * |
Filename, |
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int |
Linenum |
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) |
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Constructor.
- Parameters
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[in] | Lock | Baton controlling access to the resource. |
[in] | Mode | Any of the lock_modes. |
[in] | Timeout | Time limit in seconds in which to acquire the lock. A value of zero (0) indicates that the method should wait until the lock is granted. |
[in] | File | The filename from where the call was made. |
[in] | Line | The line number from where the call was made. |
◆ ~ReadWriteLock()
LDASTools::AL::ReadWriteLock::~ReadWriteLock |
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virtual |
◆ Baton()
Create a baton that is appropriate for use with this class.
◆ Interval()
int LDASTools::AL::ReadWriteLock::Interval |
( |
int |
Value | ) |
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static |
◆ Modify()
void LDASTools::AL::ReadWriteLock::Modify |
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mode_type |
Mode, |
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const char * |
Filename, |
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int |
Linenum |
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) |
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Modify the mode of lock being held on the resource.
- Parameters
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[in] | Mode | The new mode to be held on the resource. |
[in] | File | The filename from where the call was made. |
[in] | Line | The line number from where the call was made. |
◆ Release()
void LDASTools::AL::ReadWriteLock::Release |
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const char * |
Filename, |
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int |
Linenum |
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) |
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Release the lock.
- Parameters
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[in] | File | The filename from where the call was made. |
[in] | Line | The line number from where the call was made. |
◆ ThreadCancel()
static void LDASTools::AL::ReadWriteLock::ThreadCancel |
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void * |
VLock | ) |
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static |
Handler for thead cancelation.
- Parameters
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[in] | VLock | The VLock is a pointer to a ReadWriteLock object that holds a lock. |
◆ Timeout()
int LDASTools::AL::ReadWriteLock::Timeout |
( |
int |
Value | ) |
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static |
◆ sync_baton
baton_type LDASTools::AL::ReadWriteLock::sync_baton |
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private |
The documentation for this class was generated from the following files: