Multi-threading: Difference between revisions
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Lower priority values give the thread higher priority. For userland apps, priorities between 0x18 and 0x3F are allowed. The priority of the app's main thread seems to be 0x30. | Lower priority values give the thread higher priority. For userland apps, priorities between 0x18 and 0x3F are allowed. The priority of the app's main thread seems to be 0x30. | ||
The thread scheduler | The [[Glossary#appcore|appcore]] thread scheduler primarily uses a cooperative design, therefore if a thread takes up all the CPU time (for example if it enters an endless loop), all the other threads that run on the same CPU core won't get a chance to run. The main way of yielding another thread is using an address arbiter. In certain cases, execution of the current task may be preempted regardless, for instance when a thread was waiting on svcSendSyncRequest to return. | ||
0xFFFF8000 is a handle alias for the currently active thread. | 0xFFFF8000 is a handle alias for the currently active thread. | ||