Implements read/write lock symantics.
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#include <ReadWriteLock.hh>
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| ReadWriteLock (baton_type Lock, mode_type Mode, const char *Filename, int Linenum) |
| Constructor.
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| ReadWriteLock (baton_type Lock, mode_type Mode, bool TryLock, const char *Filename, int Linenum) |
| Constructor.
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| ReadWriteLock (baton_type Lock, mode_type Mode, int Timeout, const char *Filename, int Linenum) |
| Constructor.
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| ReadWriteLock (baton_type Lock, mode_type Mode, const char *Filename, int Linenum) |
| Constructor.
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| ReadWriteLock (baton_type Lock, mode_type Mode, bool TryLock, const char *Filename, int Linenum) |
| Constructor.
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| ReadWriteLock (baton_type Lock, mode_type Mode, int Timeout, const char *Filename, int Linenum) |
| Constructor.
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virtual | ~ReadWriteLock () |
| Destructor.
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virtual | ~ReadWriteLock () |
| Destructor.
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void | Modify (mode_type Mode, const char *Filename, int Linenum) |
| Modify the mode of lock being held on the resource.
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void | Modify (mode_type Mode, const char *Filename, int Linenum) |
| Modify the mode of lock being held on the resource.
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void | Release (const char *Filename, int Linenum) |
| Release the lock.
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void | Release (const char *Filename, int Linenum) |
| Release the lock.
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static baton_type | Baton () |
| Create a baton that is appropriate for use with this class.
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static baton_type | Baton () |
| Create a baton that is appropriate for use with this class.
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static void | ThreadCancel (void *VLock) |
| Handler for thead cancelation.
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static void | ThreadCancel (void *VLock) |
| Handler for thead cancelation.
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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.
void
threaded_func()
{
__FILE__, __LINE__ );
...
}
Manager of the read/write lock resource.
Definition ReadWriteLock.hh:169
@ WRITE
< Read lock allows multiple concurrent reads.
Definition ReadWriteLock.hh:152
ReadWriteLock(baton_type Lock, mode_type Mode, const char *Filename, int Linenum)
Constructor.
Definition ReadWriteLock.cc:459
◆ lock_mode [1/2]
Lock mode.
Enumerator |
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READ | < Initial mode
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WRITE | < Read lock allows multiple concurrent reads.
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READ | < Initial mode
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WRITE | < Read lock allows multiple concurrent reads.
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◆ lock_mode [2/2]
Lock mode.
Enumerator |
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READ | < Initial mode
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WRITE | < Read lock allows multiple concurrent reads.
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READ | < Initial mode
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WRITE | < Read lock allows multiple concurrent reads.
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◆ lock_state [1/2]
Lock state.
Enumerator |
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PENDING | < Initial state
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ACTIVE | < Lock requested
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PENDING | < Initial state
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ACTIVE | < Lock requested
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◆ lock_state [2/2]
Lock state.
Enumerator |
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PENDING | < Initial state
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ACTIVE | < Lock requested
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PENDING | < Initial state
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ACTIVE | < Lock requested
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◆ ReadWriteLock() [1/6]
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 ) |
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. |
@ READ
< Initial mode
Definition ReadWriteLock.hh:151
◆ ReadWriteLock() [2/6]
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 ) |
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() [3/6]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
( |
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 ) |
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() [4/6]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
( |
baton_type | Lock, |
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mode_type | Mode, |
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const char * | Filename, |
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int | Linenum ) |
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() [5/6]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
( |
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 ) |
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() [6/6]
LDASTools::AL::ReadWriteLock::ReadWriteLock |
( |
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 ) |
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. |
◆ Modify() [1/2]
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 ) |
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. |
◆ Modify() [2/2]
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 ) |
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() [1/2]
void LDASTools::AL::ReadWriteLock::Release |
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const char * | Filename, |
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int | Linenum ) |
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. |
◆ Release() [2/2]
void LDASTools::AL::ReadWriteLock::Release |
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const char * | Filename, |
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int | Linenum ) |
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() [1/2]
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. |
◆ ThreadCancel() [2/2]
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. |
The documentation for this class was generated from the following files:
- /home/abuild/rpmbuild/BUILD/ldas-tools-al-2.6.7-build/ldas-tools-al-2.6.7/build/include/ldastoolsal/ReadWriteLock.hh
- /home/abuild/rpmbuild/BUILD/ldas-tools-al-2.6.7-build/ldas-tools-al-2.6.7/src/ReadWriteLock.hh
- /home/abuild/rpmbuild/BUILD/ldas-tools-al-2.6.7-build/ldas-tools-al-2.6.7/src/ReadWriteLock.cc