| ??? 04/21/07 14:03 Read: times |
#137713 - and/or ... Responding to: ???'s previous message |
Russell said:
Anything shared between ISRs and/or tasks in a pre-emptive system need to be handled carefully. ... and/or processors in a system where two or more CPUs share some common memory. Once you think you have all this atomicity stuff figured out, go read about the 80x86's LOCK prefix. That'll add another layer of confusion that'll set your head spinning again. -- Russ |
| Topic | Author | Date |
| lesson learned | 01/01/70 00:00 | |
| "atomic" | 01/01/70 00:00 | |
| atomicity | 01/01/70 00:00 | |
| if thatb is so | 01/01/70 00:00 | |
| Indeed | 01/01/70 00:00 | |
| Bit test and clear | 01/01/70 00:00 | |
| JBC | 01/01/70 00:00 | |
| favourite atomic test-and-set instructions | 01/01/70 00:00 | |
| SDCC also | 01/01/70 00:00 | |
| Classic atomic problem | 01/01/70 00:00 | |
| and/or ... | 01/01/70 00:00 | |
another example | 01/01/70 00:00 |