Provides the timer of the kernel. More...
#include <KernelTimer.h>
Inheritance diagram for KernelTimer:
Public Member Functions | |
| virtual Result | tick () |
| Process timer tick. More... | |
 Public Member Functions inherited from Timer | |
| struct Timer::Info | ALIGN (8) Info |
| Timer information structure. More... | |
| Timer () | |
| Constructor. More... | |
| Size | getInterrupt () const |
| Get timer interrupt number. More... | |
| Size | getFrequency () const |
| Get timer frequency. More... | |
| virtual Result | setFrequency (Size hertz) |
| Set timer frequency. More... | |
| virtual Result | getCurrent (Info *info, const Size msecOffset=0) |
| Get current timer info. More... | |
| virtual Result | initialize () |
| Initialize the timer. More... | |
| virtual Result | start () |
| Start the timer. More... | |
| virtual Result | stop () |
| Stop the timer. More... | |
| virtual Result | wait (u32 microseconds) const |
| Busy wait a number of microseconds. More... | |
| bool | isExpired (const Info &info) const |
| Check if a timer value is expired. More... | |
Additional Inherited Members | |
| Public Types inherited from Timer | |
| enum | Result { Success, NotFound, IOError, InvalidFrequency } |
| Result codes. More... | |
| Data Fields inherited from Timer | |
| enum Timer::Result | ALIGN |
| Protected Attributes inherited from Timer | |
| Size | m_ticks |
| The current timer ticks. More... | |
| Size | m_frequency |
| Frequency of the Timer. More... | |
| Size | m_int |
| Timer interrupt number. More... | |
Detailed Description
Member Function Documentation
◆ tick()
|
virtual |
Process timer tick.
Should be called on each Timer interrupt to keep the m_info variable synchronized with the actual hardware.
- Returns
- Result code
Reimplemented from Timer.
Definition at line 23 of file KernelTimer.cpp.
References ERROR, InfoTimer, Timer::IOError, Timer::m_frequency, Timer::m_ticks, ProcessCtl(), SELF, Timer::Success, and API::Success.
Referenced by ARP::lookupAddress(), ARP::sendRequest(), FileSystemClient::waitFile(), and FileSystemServer::waitFileHandler().
The documentation for this class was generated from the following files:
- lib/libarch/KernelTimer.h
- lib/libarch/KernelTimer.cpp
