Changeset 9f22213 in mainline for generic/include/ipc/ipc.h

Timestamp:

2006-03-19T12:43:12Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7c7aae16

Parents:

b4b45210

Message:

More IPC stuff, added correct closing of connections from both sides.

File:

• generic/include/ipc/ipc.h (modified) (4 diffs)

generic/include/ipc/ipc.h

@@ -38 +38 @@
 
 /* Flags for calls */
-#define IPC_CALL_ANSWERED     (1<<0) /**< This is answer to a call */
-#define IPC_CALL_STATIC_ALLOC (1<<1) /**< This call will not be freed on error */
-#define IPC_CALL_DISPATCHED   (1<<2) /**< Call is in dispatch queue */
+#define IPC_CALL_ANSWERED       (1<<0) /**< This is answer to a call */
+#define IPC_CALL_STATIC_ALLOC   (1<<1) /**< This call will not be freed on error */
+#define IPC_CALL_DISPATCHED     (1<<2) /**< Call is in dispatch queue */
 #define IPC_CALL_DISCARD_ANSWER (1<<3) /**< Answer will not be passed to
                                         * userspace, will be discarded */
+#define IPC_CALL_FORWARDED      (1<<4) /* Call was forwarded */
 
 /* Flags for ipc_wait_for_call */
@@ -156 +157 @@
 };
 
+typedef enum {
+        IPC_BUSY_FREE = 0,
+        IPC_BUSY_CONNECTING,
+        IPC_BUSY_CONNECTED
+} ipc_busy_t;
+
 struct phone_s {
         SPINLOCK_DECLARE(lock);
         link_t list;
         answerbox_t *callee;
-        int busy;
+        ipc_busy_t busy;
         atomic_t active_calls;
 };
@@ -182 +189 @@
 extern call_t * ipc_wait_for_call(answerbox_t *box, int flags);
 extern void ipc_answer(answerbox_t *box, call_t *request);
-extern void ipc_call(phone_t *phone, call_t *request);
+extern int ipc_call(phone_t *phone, call_t *call);
 extern void ipc_call_sync(phone_t *phone, call_t *request);
 extern void ipc_phone_init(phone_t *phone);
@@ -191 +198 @@
 extern void ipc_call_static_init(call_t *call);
 extern void task_print_list(void);
-extern void ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox);
+extern int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox);
 
 extern answerbox_t *ipc_phone_0;