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Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexes

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Subv
2017-01-02 19:38:08 -05:00
parent b6a0355568
commit d3ff5b91e1
5 changed files with 60 additions and 42 deletions
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9
src/core/hle/kernel/thread.h
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@ -89,6 +89,12 @@ public:
*/
void SetPriority(s32 priority);
/**
* Boost's a thread's priority to the best priority among the thread's held mutexes.
* This prevents priority inversion via priority inheritance.
*/
void UpdatePriority();
/**
* Temporarily boosts the thread's priority until the next time it is scheduled
* @param priority The new priority
@ -178,6 +184,9 @@ public:
/// Mutexes currently held by this thread, which will be released when it exits.
boost::container::flat_set<SharedPtr<Mutex>> held_mutexes;
/// Mutexes that this thread is currently waiting for.
boost::container::flat_set<SharedPtr<Mutex>> pending_mutexes;
SharedPtr<Process> owner_process; ///< Process that owns this thread
/// Objects that the thread is waiting on.