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Update setting of priority of threads to only yield when current thread's priority has been lowered

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Themis Demetriades
2024-10-15 15:38:31 +01:00
parent 3c1a26b668
commit 163b7f9016
1 changed files with 4 additions and 1 deletions
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3
src/threads/thread.c
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@@ -357,7 +357,10 @@ void
thread_set_priority (int new_priority) thread_set_priority (int new_priority)
{ {
ASSERT (PRI_MIN <= new_priority && new_priority <= PRI_MAX); ASSERT (PRI_MIN <= new_priority && new_priority <= PRI_MAX);
int old_priority = thread_get_priority ();
thread_current ()->priority = new_priority; thread_current ()->priority = new_priority;
if (new_priority < old_priority)
thread_yield (); thread_yield ();
} }