The following defines the control block used to manage each spinlock. More...
#include <corespinlock.h>
Collaboration diagram for CORE_spinlock_Control:
Data Fields | |
| CORE_spinlock_Attributes | Attributes |
| XXX may not be needed. | |
| volatile uint32_t | lock |
| This field is the lock. | |
| volatile uint32_t | users |
| This field is a count of the current number of threads using this spinlock. More... | |
| volatile Objects_Id | holder |
| This field is the Id of the thread holding the lock. More... | |
Detailed Description
The following defines the control block used to manage each spinlock.
Field Documentation
◆ holder
| volatile Objects_Id CORE_spinlock_Control::holder |
This field is the Id of the thread holding the lock.
It may or may not be the thread which acquired it.
Referenced by _CORE_spinlock_Initialize(), and _CORE_spinlock_Release().
◆ users
| volatile uint32_t CORE_spinlock_Control::users |
This field is a count of the current number of threads using this spinlock.
It includes the thread holding the lock as well as those waiting.
Referenced by _CORE_spinlock_Initialize(), and _CORE_spinlock_Is_busy().
The documentation for this struct was generated from the following file:
- /mnt/data0/chrisj/rtems/releases/rtems-release.git/4.11.3/ws-rtems/rtems-4.11.3/cpukit/score/include/rtems/score/corespinlock.h
