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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 | 39 | ||
| 39 | int async_manager(void); |
40 | int async_manager(void); |
| 40 | ipc_callid_t async_get_call(ipc_call_t *data); |
41 | ipc_callid_t async_get_call(ipc_call_t *data); |
| 41 | 42 | ||
| 42 | 43 | ||
| 43 | aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
44 | aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| 44 | ipc_call_t *dataptr); |
45 | ipc_call_t *dataptr); |
| 45 | void async_wait_for(aid_t amsgid, ipcarg_t *result); |
46 | void async_wait_for(aid_t amsgid, ipcarg_t *result); |
| 46 | int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
47 | int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
| 47 | 48 | ||
| 48 | /** Pseudo-synchronous message sending |
49 | /** Pseudo-synchronous message sending |
| 49 | * |
50 | * |
| 50 | * Send message through IPC, wait in the event loop, until it is received |
51 | * Send message through IPC, wait in the event loop, until it is received |
| 51 | * |
52 | * |
| 52 | * @return Return code of message |
53 | * @return Return code of message |
| 53 | */ |
54 | */ |
| 54 | static inline ipcarg_t sync_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t *r1, ipcarg_t *r2) |
55 | static inline ipcarg_t sync_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t *r1, ipcarg_t *r2) |
| 55 | { |
56 | { |
| 56 | ipc_call_t result; |
57 | ipc_call_t result; |
| 57 | ipcarg_t rc; |
58 | ipcarg_t rc; |
| 58 | 59 | ||
| 59 | aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
60 | aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
| 60 | async_wait_for(eid, &rc); |
61 | async_wait_for(eid, &rc); |
| 61 | if (r1) |
62 | if (r1) |
| 62 | *r1 = IPC_GET_ARG1(result); |
63 | *r1 = IPC_GET_ARG1(result); |
| 63 | if (r2) |
64 | if (r2) |
| 64 | *r2 = IPC_GET_ARG2(result); |
65 | *r2 = IPC_GET_ARG2(result); |
| 65 | return rc; |
66 | return rc; |
| 66 | } |
67 | } |
| 67 | 68 | ||
| 68 | 69 | ||
| 69 | pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
70 | pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
| 70 | ipc_call_t *call, |
71 | ipc_call_t *call, |
| 71 | void (*cthread)(ipc_callid_t,ipc_call_t *)); |
72 | void (*cthread)(ipc_callid_t,ipc_call_t *)); |
| 72 | void async_usleep(suseconds_t timeout); |
73 | void async_usleep(suseconds_t timeout); |
| 73 | void async_create_manager(void); |
74 | void async_create_manager(void); |
| 74 | void async_destroy_manager(void); |
75 | void async_destroy_manager(void); |
| - | 76 | void async_set_client_connection(async_client_conn_t conn); |
|
| 75 | int _async_init(void); |
77 | int _async_init(void); |
| 76 | 78 | ||
| 77 | /* Should be defined by application */ |
79 | /* Should be defined by application */ |
| 78 | void client_connection(ipc_callid_t callid, ipc_call_t *call) __attribute__((weak)); |
- | |
| 79 | void interrupt_received(ipc_call_t *call) __attribute__((weak)); |
80 | void interrupt_received(ipc_call_t *call) __attribute__((weak)); |
| 80 | 81 | ||
| 81 | 82 | ||
| 82 | extern atomic_t async_futex; |
83 | extern atomic_t async_futex; |
| 83 | 84 | ||
| 84 | #endif |
85 | #endif |
| 85 | 86 | ||