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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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4
src/kernel/wait_queue.cpp
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@@ -43,11 +43,11 @@ wait_queue::pop_next_unlocked()
}
void
wait_queue::clear()
wait_queue::clear(uint64_t value)
{
util::scoped_lock lock {m_lock};
for (auto *t : m_threads) {
if (!t->exited()) t->wake();
if (!t->exited()) t->wake(value);
t->handle_release();
}
}