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[zion] Move IPC objects to share code

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This commit is contained in:
Drew Galbraith 2023-06-21 23:42:21 -07:00
parent 58df2c0ed2
commit 9dd457391c
14 changed files with 125 additions and 196 deletions
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34
zion/object/reply_port.cpp
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@ -5,37 +5,3 @@
glcr::RefPtr<ReplyPort> ReplyPort::Create() {
return glcr::AdoptPtr(new ReplyPort);
}
uint64_t ReplyPort::Write(uint64_t num_bytes, const void* data,
uint64_t num_caps, uint64_t* caps) {
MutexHolder h(mutex_);
RET_ERR(message_holder_.PushBack(num_bytes, data, num_caps, caps));
if (blocked_thread_) {
// FIXME: We need to handle the case where the blocked thread has died I
// think.
blocked_thread_->SetState(Thread::RUNNABLE);
gScheduler->Enqueue(blocked_thread_);
blocked_thread_ = nullptr;
}
return glcr::OK;
}
uint64_t ReplyPort::Read(uint64_t* num_bytes, void* data, uint64_t* num_caps,
uint64_t* caps) {
mutex_.Lock();
if (message_holder_.empty()) {
// Multiple threads can't block on a reply port.
if (blocked_thread_) {
mutex_.Unlock();
return glcr::FAILED_PRECONDITION;
}
blocked_thread_ = gScheduler->CurrentThread();
blocked_thread_->SetState(Thread::BLOCKED);
mutex_.Unlock();
gScheduler->Yield();
mutex_.Lock();
}
return message_holder_.PopFront(num_bytes, data, num_caps, caps);
}