| 0,0 → 1,135 |
|---|
| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup libc |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef LIBC_ASYNC_H_ |
| #define LIBC_ASYNC_H_ |
| |
| #include <ipc/ipc.h> |
| #include <psthread.h> |
| #include <sys/time.h> |
| #include <atomic.h> |
| |
| typedef ipc_callid_t aid_t; |
| typedef void (*async_client_conn_t)(ipc_callid_t callid, ipc_call_t *call); |
| |
| static inline void async_manager(void) |
| { |
| psthread_schedule_next_adv(PS_TO_MANAGER); |
| } |
| |
| ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs); |
| static inline ipc_callid_t async_get_call(ipc_call_t *data) |
| { |
| return async_get_call_timeout(data, 0); |
| } |
| |
| aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| ipc_call_t *dataptr); |
| aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| ipcarg_t arg3, ipc_call_t *dataptr); |
| void async_wait_for(aid_t amsgid, ipcarg_t *result); |
| int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout); |
| |
| /** Pseudo-synchronous message sending |
| * |
| * Send message through IPC, wait in the event loop, until it is received |
| * |
| * @return Return code of message |
| */ |
| static inline ipcarg_t async_req_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t *r1, ipcarg_t *r2) |
| { |
| ipc_call_t result; |
| ipcarg_t rc; |
| |
| aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result); |
| async_wait_for(eid, &rc); |
| if (r1) |
| *r1 = IPC_GET_ARG1(result); |
| if (r2) |
| *r2 = IPC_GET_ARG2(result); |
| return rc; |
| } |
| #define async_req(phoneid, method, arg1, r1) async_req_2(phoneid, method, arg1, 0, r1, 0) |
| |
| static inline ipcarg_t async_req_3(int phoneid, ipcarg_t method, ipcarg_t arg1, |
| ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1, |
| ipcarg_t *r2, ipcarg_t *r3) |
| { |
| ipc_call_t result; |
| ipcarg_t rc; |
| |
| aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result); |
| async_wait_for(eid, &rc); |
| if (r1) |
| *r1 = IPC_GET_ARG1(result); |
| if (r2) |
| *r2 = IPC_GET_ARG2(result); |
| if (r3) |
| *r3 = IPC_GET_ARG3(result); |
| return rc; |
| } |
| |
| |
| pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid, |
| ipc_call_t *call, |
| void (*cthread)(ipc_callid_t,ipc_call_t *)); |
| void async_usleep(suseconds_t timeout); |
| void async_create_manager(void); |
| void async_destroy_manager(void); |
| void async_set_client_connection(async_client_conn_t conn); |
| void async_set_interrupt_received(async_client_conn_t conn); |
| int _async_init(void); |
| |
| |
| /* Primitve functions for IPC communication */ |
| void async_msg_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, |
| ipcarg_t arg3); |
| void async_msg_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2); |
| #define async_msg(ph, m, a1) async_msg_2(ph, m, a1, 0) |
| |
| static inline void async_serialize_start(void) |
| { |
| psthread_inc_sercount(); |
| } |
| |
| static inline void async_serialize_end(void) |
| { |
| psthread_dec_sercount(); |
| } |
| |
| extern atomic_t async_futex; |
| #endif |
| |
| /** @} |
| */ |