WebSVN – HelenOS – Diff – /trunk/uspace/libc/include/async.h


/*
 * 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
 
/** @}
 */
 

Rev 1866	Rev 2071
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	/** @addtogroup libc	29	/** @addtogroup libc
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef LIBC_ASYNC_H_	35	#ifndef LIBC_ASYNC_H_
36	#define LIBC_ASYNC_H_	36	#define LIBC_ASYNC_H_
37		37
38	#include <ipc/ipc.h>	38	#include <ipc/ipc.h>
39	#include <psthread.h>	39	#include <psthread.h>
40	#include <sys/time.h>	40	#include <sys/time.h>
41	#include <atomic.h>	41	#include <atomic.h>
42		42
43	typedef ipc_callid_t aid_t;	43	typedef ipc_callid_t aid_t;
44	typedef void (async_client_conn_t)(ipc_callid_t callid, ipc_call_t call);	44	typedef void (async_client_conn_t)(ipc_callid_t callid, ipc_call_t call);
45		45
46	static inline void async_manager(void)	46	static inline void async_manager(void)
47	{	47	{
48	psthread_schedule_next_adv(PS_TO_MANAGER);	48	psthread_schedule_next_adv(PS_TO_MANAGER);
49	}	49	}
50		50
51	ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs);	51	ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs);
52	static inline ipc_callid_t async_get_call(ipc_call_t *data)	52	static inline ipc_callid_t async_get_call(ipc_call_t *data)
53	{	53	{
54	return async_get_call_timeout(data, 0);	54	return async_get_call_timeout(data, 0);
55	}	55	}
56		56
57	aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,	57	aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
58	ipc_call_t *dataptr);	58	ipc_call_t *dataptr);
59	aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,	59	aid_t async_send_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
60	ipcarg_t arg3, ipc_call_t *dataptr);	60	ipcarg_t arg3, ipc_call_t *dataptr);
61	void async_wait_for(aid_t amsgid, ipcarg_t *result);	61	void async_wait_for(aid_t amsgid, ipcarg_t *result);
62	int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout);	62	int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout);
63		63
64	/** Pseudo-synchronous message sending	64	/** Pseudo-synchronous message sending
65	*	65	*
66	* Send message through IPC, wait in the event loop, until it is received	66	* Send message through IPC, wait in the event loop, until it is received
67	*	67	*
68	* @return Return code of message	68	* @return Return code of message
69	*/	69	*/
70	static inline ipcarg_t async_req_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t r1, ipcarg_t r2)	70	static inline ipcarg_t async_req_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t r1, ipcarg_t r2)
71	{	71	{
72	ipc_call_t result;	72	ipc_call_t result;
73	ipcarg_t rc;	73	ipcarg_t rc;
74		74
75	aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result);	75	aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result);
76	async_wait_for(eid, &rc);	76	async_wait_for(eid, &rc);
77	if (r1)	77	if (r1)
78	*r1 = IPC_GET_ARG1(result);	78	*r1 = IPC_GET_ARG1(result);
79	if (r2)	79	if (r2)
80	*r2 = IPC_GET_ARG2(result);	80	*r2 = IPC_GET_ARG2(result);
81	return rc;	81	return rc;
82	}	82	}
83	#define async_req(phoneid, method, arg1, r1) async_req_2(phoneid, method, arg1, 0, r1, 0)	83	#define async_req(phoneid, method, arg1, r1) async_req_2(phoneid, method, arg1, 0, r1, 0)
84		84
85	static inline ipcarg_t async_req_3(int phoneid, ipcarg_t method, ipcarg_t arg1,	85	static inline ipcarg_t async_req_3(int phoneid, ipcarg_t method, ipcarg_t arg1,
86	ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1,	86	ipcarg_t arg2, ipcarg_t arg3, ipcarg_t *r1,
87	ipcarg_t r2, ipcarg_t r3)	87	ipcarg_t r2, ipcarg_t r3)
88	{	88	{
89	ipc_call_t result;	89	ipc_call_t result;
90	ipcarg_t rc;	90	ipcarg_t rc;
91		91
92	aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result);	92	aid_t eid = async_send_3(phoneid, method, arg1, arg2, arg3, &result);
93	async_wait_for(eid, &rc);	93	async_wait_for(eid, &rc);
94	if (r1)	94	if (r1)
95	*r1 = IPC_GET_ARG1(result);	95	*r1 = IPC_GET_ARG1(result);
96	if (r2)	96	if (r2)
97	*r2 = IPC_GET_ARG2(result);	97	*r2 = IPC_GET_ARG2(result);
98	if (r3)	98	if (r3)
99	*r3 = IPC_GET_ARG3(result);	99	*r3 = IPC_GET_ARG3(result);
100	return rc;	100	return rc;
101	}	101	}
102		102
103		103
104	pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid,	104	pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid,
105	ipc_call_t *call,	105	ipc_call_t *call,
106	void (cthread)(ipc_callid_t,ipc_call_t ));	106	void (cthread)(ipc_callid_t,ipc_call_t ));
107	void async_usleep(suseconds_t timeout);	107	void async_usleep(suseconds_t timeout);
108	void async_create_manager(void);	108	void async_create_manager(void);
109	void async_destroy_manager(void);	109	void async_destroy_manager(void);
110	void async_set_client_connection(async_client_conn_t conn);	110	void async_set_client_connection(async_client_conn_t conn);
111	void async_set_interrupt_received(async_client_conn_t conn);	111	void async_set_interrupt_received(async_client_conn_t conn);
112	int _async_init(void);	112	int _async_init(void);
113		113
114		114
115	/* Primitve functions for IPC communication */	115	/* Primitve functions for IPC communication */
116	void async_msg_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,	116	void async_msg_3(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
117	ipcarg_t arg3);	117	ipcarg_t arg3);
118	void async_msg_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2);	118	void async_msg_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2);
119	#define async_msg(ph,m,a1) async_msg_2(ph,m,a1,0)	119	#define async_msg(ph,m,a1) async_msg_2(ph,m,a1,0)
120		120
121	static inline void async_serialize_start(void)	121	static inline void async_serialize_start(void)
122	{	122	{
123	psthread_inc_sercount();	123	psthread_inc_sercount();
124	}	124	}
125	static inline void async_serialize_end(void)	125	static inline void async_serialize_end(void)
126	{	126	{
127	psthread_dec_sercount();	127	psthread_dec_sercount();
128	}	128	}
129		129
130	extern atomic_t async_futex;	130	extern atomic_t async_futex;
131	#endif	131	#endif
132		132
133	/** @}	133	/** @}
134	*/	134	*/
135		135

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(root)/trunk/uspace/libc/include/async.h – Rev 1866 → 2071