36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
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#include "object/ipc_object.h"
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#include "scheduler/scheduler.h"
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glcr::ErrorCode IpcObject::Send(uint64_t num_bytes, const void* bytes,
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uint64_t num_caps, const z_cap_t* caps) {
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auto& message_queue = GetSendMessageQueue();
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MutexHolder lock(mutex_);
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RET_ERR(message_queue.PushBack(num_bytes, bytes, num_caps, caps));
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if (blocked_threads_.size() > 0) {
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auto thread = blocked_threads_.PopFront();
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thread->SetState(Thread::RUNNABLE);
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gScheduler->Enqueue(thread);
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}
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return glcr::OK;
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}
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glcr::ErrorCode IpcObject::Recv(uint64_t* num_bytes, void* bytes,
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uint64_t* num_caps, z_cap_t* caps) {
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auto& message_queue = GetRecvMessageQueue();
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mutex_.Lock();
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while (message_queue.empty()) {
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auto thread = gScheduler->CurrentThread();
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thread->SetState(Thread::BLOCKED);
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blocked_threads_.PushBack(thread);
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mutex_.Unlock();
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gScheduler->Yield();
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mutex_.Lock();
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}
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mutex_.Unlock();
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MutexHolder lock(mutex_);
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return message_queue.PopFront(num_bytes, bytes, num_caps, caps);
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}
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