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[zion] Move synchronization to the message queue

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Drew Galbraith 2023-06-21 23:57:23 -07:00
parent 9dd457391c
commit dc63084d61
6 changed files with 60 additions and 36 deletions
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22
zion/object/ipc_object.cpp
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@ -5,31 +5,11 @@
glcr::ErrorCode IpcObject::Send(uint64_t num_bytes, const void* bytes,
uint64_t num_caps, const z_cap_t* caps) {
auto& message_queue = GetSendMessageQueue();
MutexHolder lock(mutex_);
RET_ERR(message_queue.PushBack(num_bytes, bytes, num_caps, caps));
if (blocked_threads_.size() > 0) {
auto thread = blocked_threads_.PopFront();
thread->SetState(Thread::RUNNABLE);
gScheduler->Enqueue(thread);
}
return glcr::OK;
return message_queue.PushBack(num_bytes, bytes, num_caps, caps);
}
glcr::ErrorCode IpcObject::Recv(uint64_t* num_bytes, void* bytes,
uint64_t* num_caps, z_cap_t* caps) {
auto& message_queue = GetRecvMessageQueue();
mutex_.Lock();
while (message_queue.empty()) {
auto thread = gScheduler->CurrentThread();
thread->SetState(Thread::BLOCKED);
blocked_threads_.PushBack(thread);
mutex_.Unlock();
gScheduler->Yield();
mutex_.Lock();
}
mutex_.Unlock();
MutexHolder lock(mutex_);
return message_queue.PopFront(num_bytes, bytes, num_caps, caps);
}