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[zion] Create a message queue to be shared between the port and channel

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Drew Galbraith 2023-06-20 15:29:32 -07:00
parent 1edd5023ce
commit fe1641ac38
7 changed files with 138 additions and 94 deletions
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17
zion/object/port.h
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@ -2,6 +2,7 @@
#include "capability/capability.h"
#include "lib/linked_list.h"
#include "lib/message_queue.h"
#include "lib/mutex.h"
#include "lib/shared_ptr.h"
#include "object/kernel_object.h"
@ -21,23 +22,17 @@ class Port : public KernelObject {
Port();
z_err_t Write(const ZMessage& msg);
z_err_t Read(ZMessage& msg);
z_err_t Write(uint64_t num_bytes, const void* bytes, uint64_t num_caps,
const z_cap_t* caps);
z_err_t Read(uint64_t* num_bytes, void* bytes, uint64_t* num_caps,
z_cap_t* caps);
void WriteKernel(uint64_t init, RefPtr<Capability> cap);
bool HasMessages();
private:
struct Message {
uint64_t num_bytes;
uint8_t* bytes;
LinkedList<RefPtr<Capability>> caps;
};
LinkedList<SharedPtr<Message>> pending_messages_;
UnboundedMessageQueue message_queue_;
LinkedList<RefPtr<Thread>> blocked_threads_;
Mutex mutex_{"Port"};