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[Zion] Add a framework for better process exit.

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This commit is contained in:
Drew Galbraith 2023-11-16 23:03:27 -08:00
parent aa2d80b557
commit 308dd6a203
9 changed files with 80 additions and 8 deletions
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10
zion/object/thread.h
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@ -29,6 +29,7 @@ class Thread : public KernelObject, public glcr::IntrusiveListNode<Thread> {
RUNNING,
RUNNABLE,
BLOCKED,
CLEANUP,
FINISHED,
};
static glcr::RefPtr<Thread> RootThread(Process& root_proc);
@ -51,8 +52,17 @@ class Thread : public KernelObject, public glcr::IntrusiveListNode<Thread> {
// State Management.
State GetState() { return state_; };
void SetState(State state) { state_ = state; }
bool IsDying() { return state_ == CLEANUP || state_ == FINISHED; }
// Exits this thread.
// Allows all blocked threads to run and releases the kernel stack.
// This function should only be called by the running thread on itself
// as it will yield.
void Exit();
// Like Exit except it does not yield.
void Cleanup();
void Wait();
private: