1 /*
2 * Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 */
6
7 #pragma once
8
9 #include <types.h>
10 #include <api/failures.h>
11 #include <object/structures.h>
12
13 /* Unlink a reply from its tcb */
reply_unlink(reply_t * reply,tcb_t * tcb)14 static inline void reply_unlink(reply_t *reply, tcb_t *tcb)
15 {
16 /* check the tcb and reply are linked correctly */
17 assert(reply->replyTCB == tcb);
18 assert(thread_state_get_replyObject(tcb->tcbState) == REPLY_REF(reply));
19
20 thread_state_ptr_set_replyObject(&tcb->tcbState, REPLY_REF(0));
21 reply->replyTCB = NULL;
22 setThreadState(tcb, ThreadState_Inactive);
23 }
24
25 /* Push a reply object onto the call stack */
26 void reply_push(tcb_t *tcb_caller, tcb_t *tcb_callee, reply_t *reply, bool_t canDonate);
27 /* Pop the head reply from the call stack */
28 void reply_pop(reply_t *reply, tcb_t *tcb);
29 /* Remove a reply from the call stack - replyTCB must be in ThreadState_BlockedOnReply */
30 void reply_remove(reply_t *reply, tcb_t *tcb);
31 /* Remove a specific tcb, and the reply it is blocking on, from the call stack */
32 void reply_remove_tcb(tcb_t *tcb);
33
34