0,0 → 1,134 |
/* |
* 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 |
|
/** @} |
*/ |