1 files changed, 16 insertions, 0 deletions
diff --git a/src/user/include/knob/ipc.h b/src/user/include/knob/ipc.h
new file mode 100644
index 0000000..3eab562
--- /dev/null
+++ b/src/user/include/knob/ipc.h
@@ -0,0 +1,16 @@
+#ifndef KNOB_IPC_H
+#define KNOB_IPC_H
+
+#include <pland/syscall.h>
+
+//blocking, returns early if other process is dead.
+//return value is number of bytes written.
+uint32_t try_send_ipc(_task_handle_t to, void *buffer, uint32_t size);
+
+//blocking, returns early if other process is dead.
+//return value is number of bytes read.
+uint32_t try_read_ipc(_task_handle_t from, void *buffer, uint32_t size);
+
+void flush_ipc(_task_handle_t from);
+
+#endif
+\ No newline at end of file