Rev 1596 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1472 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
||
| 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 | |||
| 1394 | palkovsky | 29 | #ifndef _libc_ASYNC_H_ |
| 30 | #define _libc_ASYNC_H_ |
||
| 31 | |||
| 32 | #include <ipc/ipc.h> |
||
| 1407 | palkovsky | 33 | #include <psthread.h> |
| 1449 | palkovsky | 34 | #include <sys/time.h> |
| 1463 | palkovsky | 35 | #include <atomic.h> |
| 1394 | palkovsky | 36 | |
| 1427 | palkovsky | 37 | typedef ipc_callid_t aid_t; |
| 1490 | palkovsky | 38 | typedef void (*async_client_conn_t)(ipc_callid_t callid, ipc_call_t *call); |
| 1427 | palkovsky | 39 | |
| 1610 | palkovsky | 40 | static inline void async_manager(void) |
| 41 | { |
||
| 42 | psthread_schedule_next_adv(PS_TO_MANAGER); |
||
| 43 | } |
||
| 44 | |||
| 1500 | palkovsky | 45 | ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs); |
| 46 | static inline ipc_callid_t async_get_call(ipc_call_t *data) |
||
| 47 | { |
||
| 48 | return async_get_call_timeout(data, 0); |
||
| 49 | } |
||
| 1394 | palkovsky | 50 | |
| 1427 | palkovsky | 51 | aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| 52 | ipc_call_t *dataptr); |
||
| 1547 | palkovsky | 53 | aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| 54 | ipcarg_t arg3, ipc_call_t *dataptr); |
||
| 1427 | palkovsky | 55 | void async_wait_for(aid_t amsgid, ipcarg_t *result); |
| 1441 | palkovsky | 56 | int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
| 1464 | palkovsky | 57 | |
| 58 | /** Pseudo-synchronous message sending |
||
| 59 | * |
||
| 60 | * Send message through IPC, wait in the event loop, until it is received |
||
| 61 | * |
||
| 62 | * @return Return code of message |
||
| 63 | */ |
||
| 1610 | palkovsky | 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) |
| 1464 | palkovsky | 65 | { |
| 66 | ipc_call_t result; |
||
| 67 | ipcarg_t rc; |
||
| 68 | |||
| 69 | aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
||
| 70 | async_wait_for(eid, &rc); |
||
| 71 | if (r1) |
||
| 72 | *r1 = IPC_GET_ARG1(result); |
||
| 73 | if (r2) |
||
| 74 | *r2 = IPC_GET_ARG2(result); |
||
| 75 | return rc; |
||
| 76 | } |
||
| 1610 | palkovsky | 77 | #define async_req(phoneid, method, arg1, r1) async_req_2(phoneid, method, arg1, 0, r1, 0) |
| 1552 | palkovsky | 78 | |
| 1610 | palkovsky | 79 | static inline ipcarg_t async_req_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
| 1547 | palkovsky | 80 | ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1, |
| 81 | ipcarg_t *r2, ipcarg_t *r3) |
||
| 82 | { |
||
| 83 | ipc_call_t result; |
||
| 84 | ipcarg_t rc; |
||
| 1464 | palkovsky | 85 | |
| 1547 | palkovsky | 86 | aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result); |
| 87 | async_wait_for(eid, &rc); |
||
| 88 | if (r1) |
||
| 89 | *r1 = IPC_GET_ARG1(result); |
||
| 90 | if (r2) |
||
| 91 | *r2 = IPC_GET_ARG2(result); |
||
| 92 | if (r3) |
||
| 93 | *r3 = IPC_GET_ARG3(result); |
||
| 94 | return rc; |
||
| 95 | } |
||
| 1464 | palkovsky | 96 | |
| 1547 | palkovsky | 97 | |
| 1452 | palkovsky | 98 | pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
| 99 | ipc_call_t *call, |
||
| 100 | void (*cthread)(ipc_callid_t,ipc_call_t *)); |
||
| 101 | void async_usleep(suseconds_t timeout); |
||
| 1464 | palkovsky | 102 | void async_create_manager(void); |
| 103 | void async_destroy_manager(void); |
||
| 1490 | palkovsky | 104 | void async_set_client_connection(async_client_conn_t conn); |
| 1596 | palkovsky | 105 | void async_set_interrupt_received(async_client_conn_t conn); |
| 1464 | palkovsky | 106 | int _async_init(void); |
| 1427 | palkovsky | 107 | |
| 1394 | palkovsky | 108 | |
| 1610 | palkovsky | 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 | { |
||
| 117 | psthread_inc_sercount(); |
||
| 118 | } |
||
| 119 | static inline void async_serialize_end(void) |
||
| 120 | { |
||
| 121 | psthread_dec_sercount(); |
||
| 122 | } |
||
| 123 | |||
| 1463 | palkovsky | 124 | extern atomic_t async_futex; |
| 1394 | palkovsky | 125 | #endif |