Interface: critical section management. More...
#include <config.h>
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Typedefs | |
| typedef volatile unsigned char | atomic_t |
| The data type that allows for atomic count operations. | |
Functions | |
| void | atomic_dec (atomic_t *counter) |
| decrement atomic counter without interruption. | |
| void | atomic_inc (atomic_t *counter) |
| increment atomic counter without interruption. | |
Detailed Description
Interface: critical section management.
Defines types and functions to implement atomic counters.
Definition in file atomic.h.
Typedef Documentation
◆ atomic_t
| typedef volatile unsigned char atomic_t |
The data type that allows for atomic count operations.
- See also
- atomic_inc
Function Documentation
◆ atomic_dec()
|
extern |
decrement atomic counter without interruption.
locks interrupts except NMI, decrements count then restores interrupts.
- Parameters
-
counter the counter resource to be decremented
- See also
- atomic_inc
◆ atomic_inc()
|
extern |
increment atomic counter without interruption.
locks interrupts except NMI, increments count then restores interrupts.
- Parameters
-
counter the counter resource to be incremented
- See also
- atomic_dec
Referenced by sem_post().
