Simple IPC with pipes

kernel/ipc/pipe/pipe.h

@@ -0,0 +1,21 @@
+#ifndef IPC_PIPE_PIPE_H_
+#define IPC_PIPE_PIPE_H_
+
+#include <stdint.h>
+#include <stddef.h>
+#include "rbuf/rbuf.h"
+#include "spinlock/spinlock.h"
+
+#define IPC_PIPE_MAX 0x1000
+
+typedef struct {
+  RBuf rbuf;
+  SpinLock spinlock;
+} IpcPipe;
+
+int32_t ipc_pipeinit(IpcPipe *pipe);
+void ipc_pipefree(IpcPipe *pipe);
+int32_t ipc_pipewrite(IpcPipe *pipe, const uint8_t *const buffer, size_t n);
+int32_t ipc_piperead(IpcPipe *pipe, uint8_t *const buffer, size_t n);
+
+#endif // IPC_PIPE_PIPE_H_