improve documentation on new features

1 files changed, 14 insertions, 0 deletions

diff --git a/include/apos/tcb.h b/include/apos/tcb.h
index 23e6451..6097153 100644
--- a/include/apos/tcb.h
+++ b/include/apos/tcb.h
@@ -78,6 +78,10 @@ struct tcb {
 	/** Execution continuation point. Important that it is first. */
 	vm_t exec;
 
+	/**
+	 * Address where to save registers.
+	 * @note his address is the top of the register save structure.
+	 */
 	vm_t regs;
 
 	/** Arch-specific data. */
@@ -149,6 +153,16 @@ struct tcb {
 	/** RPC context of thread. */
 	struct tcb_ctx rpc;
 
+	/**
+	 * RPC server context of thread. When a thread attaches itself to this
+	 * process, its \ref rpc member is added to the list maintained in this
+	 * variable. This allows the original thread to do rpc calls without
+	 * messing up other threads' rpc status.
+	 *
+	 * I think, more testing required.
+	 */
+	struct tcb_ctx server;
+
 	/** Notifcation state of thread. */
 	enum tcb_notify notify_state;