[zion] Move IPC objects to share code

zion/object/ipc_object.cpp

@@ -0,0 +1,35 @@
+#include "object/ipc_object.h"
+
+#include "scheduler/scheduler.h"
+
+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;
+}
+
+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);
+}