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[kernel] Simplify mailbox code, and messages

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A number of simplifications of mailboxes now that the interface is much
simpler, and synchronous.

* call and respond can now only transfer one handle at a time
* mailbox objects got rid of the message queue, and just have
  wait_queues of blocked threads, and a reply_to map.
* threads now have a message_data struct on them for use by mailboxes
This commit is contained in:
Justin C. Miller
2022-10-14 01:02:56 -07:00
parent e830a3d37b
commit 1a04310f80
12 changed files with 147 additions and 274 deletions
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5
src/kernel/wait_queue.h
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@@ -38,7 +38,8 @@ public:
util::spinlock & get_lock() { return m_lock; }
/// Wake and clear out all threads.
void clear();
/// \arg value The value passed to thread::wake
void clear(uint64_t value = 0);
private:
/// Get rid of any exited threads that are next
@@ -46,6 +47,6 @@ private:
void pop_exited();
util::spinlock m_lock;
util::deque<obj::thread*, 8> m_threads;
util::deque<obj::thread*, 6> m_threads;
};