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Merge implementations of priority scheduling by Themis and Saleh #12

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td1223 wants to merge 10 commits from task1/priority-scheduling into task1/merged/priority-scheduling
pull from: task1/priority-scheduling
merge into: Imperial-MEng:task1/merged/priority-scheduling
Conversation 1 Commits 10 Files Changed 4 +26 -3
3 changed files with 26 additions and 3 deletions
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Showing only changes of commit 163b7f9016 - Show all commits

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src/threads/thread.c
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@@ -357,8 +357,11 @@ 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;
thread_yield (); if (new_priority < old_priority)
thread_yield ();
} }
/* Returns the current thread's priority. */ /* Returns the current thread's priority. */