Enables interrupt priorities.
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/intr.h>
void i_enable ( old)
int old;
Item | Description |
---|---|
old | Specifies the interrupt priority returned by the i_disable service. |
The i_enable service restores the interrupt priority to a less-favored value. This value should be the value that was in effect before the corresponding call to the i_disable service.
The i_enable kernel service can be called from either the process or interrupt environment.
The i_enable service has no return values.