source: mainline/uspace/lib/c/generic/ns.c@ 93ad49a8

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 93ad49a8 was 93ad49a8, checked in by Jiri Svoboda <jiri@…>, 14 years ago

Make the hack more generic to work around problems with callback
sessions as well.

  • Property mode set to 100644
File size: 2.9 KB
Line 
1/*
2 * Copyright (c) 2011 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#include <ns.h>
36#include <ipc/ns.h>
37#include <async.h>
38#include <macros.h>
39#include "private/ns.h"
40
41int service_register(sysarg_t service)
42{
43 async_exch_t *exch = async_exchange_begin(session_ns);
44 int rc = async_connect_to_me(exch, service, 0, 0, NULL, NULL);
45 async_exchange_end(exch);
46
47 return rc;
48}
49
50async_sess_t *service_connect(exch_mgmt_t mgmt, sysarg_t service, sysarg_t arg2,
51 sysarg_t arg3)
52{
53 async_exch_t *exch = async_exchange_begin(session_ns);
54 async_sess_t *sess =
55 async_connect_me_to(mgmt, exch, service, arg2, arg3);
56 async_exchange_end(exch);
57
58 /*
59 * FIXME Ugly hack to work around limitation of implementing
60 * parallel exchanges using multiple connections. Shift out
61 * first argument for non-initial connections.
62 */
63 async_sess_args_set(sess, arg2, arg3, 0);
64
65 return sess;
66}
67
68async_sess_t *service_connect_blocking(exch_mgmt_t mgmt, sysarg_t service,
69 sysarg_t arg2, sysarg_t arg3)
70{
71 async_exch_t *exch = async_exchange_begin(session_ns);
72 async_sess_t *sess =
73 async_connect_me_to_blocking(mgmt, exch, service, arg2, arg3);
74 async_exchange_end(exch);
75
76 return sess;
77}
78
79int ns_ping(void)
80{
81 async_exch_t *exch = async_exchange_begin(session_ns);
82 int rc = async_req_0_0(exch, NS_PING);
83 async_exchange_end(exch);
84
85 return rc;
86}
87
88int ns_intro(task_id_t id)
89{
90 async_exch_t *exch = async_exchange_begin(session_ns);
91 int rc = async_req_2_0(exch, NS_ID_INTRO, LOWER32(id), UPPER32(id));
92 async_exchange_end(exch);
93
94 return rc;
95}
96
97/** @}
98 */
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