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677d690e2b
Fixes #1708. Currently involuntary preemption causes the current thread not only to yield for a higher prioritized thread, but all other threads of its own priority class, too. This PR adds the function `thread_yield_higher()`, which will yield the current thread in favor of higher prioritized functions, but not for threads of its own priority class. Boards now need to implement `thread_yield_higher()` instead of `thread_yield()`, but `COREIF_NG` boards are not affected in any way. `thread_yield()` retains its old meaning: yield for every thread that has the same or a higher priority. This PR does not touch the occurrences of `thread_yield()` in the periph drivers, because the author of this PR did not look into the logic of the various driver implementations. |
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| .. | ||
| arch | ||
| atomic.h | ||
| attributes.h | ||
| bitarithm.h | ||
| byteorder.h | ||
| cib.h | ||
| clist.h | ||
| config.h | ||
| crash.h | ||
| debug.h | ||
| flags.h | ||
| hwtimer.h | ||
| io.h | ||
| irq.h | ||
| kernel_internal.h | ||
| kernel_macros.h | ||
| kernel_types.h | ||
| kernel.h | ||
| lifo.h | ||
| lpm.h | ||
| msg.h | ||
| mutex.h | ||
| priority_queue.h | ||
| sched.h | ||
| tcb.h | ||
| thread.h | ||