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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef _libc_ASYNC_H_ |
29 | #ifndef _libc_ASYNC_H_ |
30 | #define _libc_ASYNC_H_ |
30 | #define _libc_ASYNC_H_ |
31 | 31 | ||
32 | #include <ipc/ipc.h> |
32 | #include <ipc/ipc.h> |
33 | #include <psthread.h> |
33 | #include <psthread.h> |
34 | #include <sys/time.h> |
34 | #include <sys/time.h> |
35 | #include <atomic.h> |
35 | #include <atomic.h> |
36 | 36 | ||
37 | typedef ipc_callid_t aid_t; |
37 | typedef ipc_callid_t aid_t; |
38 | typedef void (*async_client_conn_t)(ipc_callid_t callid, ipc_call_t *call); |
38 | typedef void (*async_client_conn_t)(ipc_callid_t callid, ipc_call_t *call); |
39 | 39 | ||
40 | int async_manager(void); |
40 | static inline void async_manager(void) |
- | 41 | { |
|
- | 42 | psthread_schedule_next_adv(PS_TO_MANAGER); |
|
- | 43 | } |
|
- | 44 | ||
41 | ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs); |
45 | ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs); |
42 | static inline ipc_callid_t async_get_call(ipc_call_t *data) |
46 | static inline ipc_callid_t async_get_call(ipc_call_t *data) |
43 | { |
47 | { |
44 | return async_get_call_timeout(data, 0); |
48 | return async_get_call_timeout(data, 0); |
45 | } |
49 | } |
46 | 50 | ||
47 | aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
51 | aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
48 | ipc_call_t *dataptr); |
52 | ipc_call_t *dataptr); |
49 | aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
53 | aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
50 | ipcarg_t arg3, ipc_call_t *dataptr); |
54 | ipcarg_t arg3, ipc_call_t *dataptr); |
51 | void async_wait_for(aid_t amsgid, ipcarg_t *result); |
55 | void async_wait_for(aid_t amsgid, ipcarg_t *result); |
52 | int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
56 | int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
53 | 57 | ||
54 | /** Pseudo-synchronous message sending |
58 | /** Pseudo-synchronous message sending |
55 | * |
59 | * |
56 | * Send message through IPC, wait in the event loop, until it is received |
60 | * Send message through IPC, wait in the event loop, until it is received |
57 | * |
61 | * |
58 | * @return Return code of message |
62 | * @return Return code of message |
59 | */ |
63 | */ |
60 | static inline ipcarg_t sync_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t *r1, ipcarg_t *r2) |
64 | static inline ipcarg_t async_req_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t *r1, ipcarg_t *r2) |
61 | { |
65 | { |
62 | ipc_call_t result; |
66 | ipc_call_t result; |
63 | ipcarg_t rc; |
67 | ipcarg_t rc; |
64 | 68 | ||
65 | aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
69 | aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
66 | async_wait_for(eid, &rc); |
70 | async_wait_for(eid, &rc); |
67 | if (r1) |
71 | if (r1) |
68 | *r1 = IPC_GET_ARG1(result); |
72 | *r1 = IPC_GET_ARG1(result); |
69 | if (r2) |
73 | if (r2) |
70 | *r2 = IPC_GET_ARG2(result); |
74 | *r2 = IPC_GET_ARG2(result); |
71 | return rc; |
75 | return rc; |
72 | } |
76 | } |
73 | #define sync_send(phoneid, method, arg1, r1) sync_send_2(phoneid, method, arg1, 0, r1, 0) |
77 | #define async_req(phoneid, method, arg1, r1) async_req_2(phoneid, method, arg1, 0, r1, 0) |
74 | 78 | ||
75 | static inline ipcarg_t sync_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
79 | static inline ipcarg_t async_req_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
76 | ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1, |
80 | ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1, |
77 | ipcarg_t *r2, ipcarg_t *r3) |
81 | ipcarg_t *r2, ipcarg_t *r3) |
78 | { |
82 | { |
79 | ipc_call_t result; |
83 | ipc_call_t result; |
80 | ipcarg_t rc; |
84 | ipcarg_t rc; |
81 | 85 | ||
82 | aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result); |
86 | aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result); |
83 | async_wait_for(eid, &rc); |
87 | async_wait_for(eid, &rc); |
84 | if (r1) |
88 | if (r1) |
85 | *r1 = IPC_GET_ARG1(result); |
89 | *r1 = IPC_GET_ARG1(result); |
86 | if (r2) |
90 | if (r2) |
87 | *r2 = IPC_GET_ARG2(result); |
91 | *r2 = IPC_GET_ARG2(result); |
88 | if (r3) |
92 | if (r3) |
89 | *r3 = IPC_GET_ARG3(result); |
93 | *r3 = IPC_GET_ARG3(result); |
90 | return rc; |
94 | return rc; |
91 | } |
95 | } |
92 | 96 | ||
93 | 97 | ||
94 | pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
98 | pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
95 | ipc_call_t *call, |
99 | ipc_call_t *call, |
96 | void (*cthread)(ipc_callid_t,ipc_call_t *)); |
100 | void (*cthread)(ipc_callid_t,ipc_call_t *)); |
97 | void async_usleep(suseconds_t timeout); |
101 | void async_usleep(suseconds_t timeout); |
98 | void async_create_manager(void); |
102 | void async_create_manager(void); |
99 | void async_destroy_manager(void); |
103 | void async_destroy_manager(void); |
100 | void async_set_client_connection(async_client_conn_t conn); |
104 | void async_set_client_connection(async_client_conn_t conn); |
101 | void async_set_interrupt_received(async_client_conn_t conn); |
105 | void async_set_interrupt_received(async_client_conn_t conn); |
102 | int _async_init(void); |
106 | int _async_init(void); |
103 | 107 | ||
104 | 108 | ||
- | 109 | /* Primitve functions for IPC communication */ |
|
- | 110 | void async_msg_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
|
- | 111 | ipcarg_t arg3); |
|
- | 112 | void async_msg_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2); |
|
- | 113 | #define async_msg(ph,m,a1) async_msg_2(ph,m,a1,0) |
|
- | 114 | ||
- | 115 | static inline void async_serialize_start(void) |
|
- | 116 | { |
|
105 | extern atomic_t async_futex; |
117 | psthread_inc_sercount(); |
- | 118 | } |
|
- | 119 | static inline void async_serialize_end(void) |
|
- | 120 | { |
|
- | 121 | psthread_dec_sercount(); |
|
- | 122 | } |
|
106 | 123 | ||
- | 124 | extern atomic_t async_futex; |
|
107 | #endif |
125 | #endif |
108 | 126 |