drew/acadia
1
0
Fork 0
Code Issues 6 Pull requests Projects Releases Packages Wiki Activity Actions

[zion] Move IPC objects to share code

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

36
zion/object/port.cpp
View file

@ -2,43 +2,7 @@
#include "scheduler/scheduler.h"
Port::Port() {}
z_err_t Port::Write(uint64_t num_bytes, const void* bytes, uint64_t num_caps,
const z_cap_t* caps) {
MutexHolder h(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;
}
z_err_t Port::Read(uint64_t* num_bytes, void* bytes, uint64_t* num_caps,
z_cap_t* caps) {
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);
}
void Port::WriteKernel(uint64_t init, glcr::RefPtr<Capability> cap) {
MutexHolder h(mutex_);
message_queue_.WriteKernel(init, cap);
}
bool Port::HasMessages() {
MutexHolder h(mutex_);
return !message_queue_.empty();
}