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Fix a minor ;) problem that would keep other threads from running during priority_yield calls unless they had aged too much. Basically it operates in the manner of the original implementation. _May_ help 5.5g buffering problems so do test that.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16197 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-02-02 03:00:34 +00:00
parent d08af61394
commit 537b78b216
1 changed files with 2 additions and 2 deletions
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4
firmware/thread.c
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@ -1615,12 +1615,13 @@ void switch_thread(struct thread_entry *old)
* got CPU time. */ * got CPU time. */
for (;;) for (;;)
{ {
int priority = MIN(thread->priority, thread->priority_x); int priority = thread->priority;
if (priority < cores[core].highest_priority) if (priority < cores[core].highest_priority)
cores[core].highest_priority = priority; cores[core].highest_priority = priority;
if (priority == cores[core].highest_priority || if (priority == cores[core].highest_priority ||
thread->priority_x < cores[core].highest_priority ||
(current_tick - thread->last_run > priority * 8)) (current_tick - thread->last_run > priority * 8))
{ {
cores[core].running = thread; cores[core].running = thread;
@ -2402,7 +2403,6 @@ void priority_yield(void)
thread->priority_x = HIGHEST_PRIORITY; thread->priority_x = HIGHEST_PRIORITY;
switch_thread(NULL); switch_thread(NULL);
thread->priority_x = LOWEST_PRIORITY; thread->priority_x = LOWEST_PRIORITY;
cores[core].highest_priority = LOWEST_PRIORITY;
} }
#endif /* HAVE_PRIORITY_SCHEDULING */ #endif /* HAVE_PRIORITY_SCHEDULING */