WebSVN – HelenOS – Diff – /uspace/trunk/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.
 */
 
#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);
 
int async_manager(void);
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);
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 sync_send_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;
}
 
 
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);
int _async_init(void);
 
/* Should be defined by application */
void interrupt_received(ipc_call_t *call)  __attribute__((weak));
 
 
extern atomic_t async_futex;
 
#endif
 

Subversion Repositories HelenOS

(root)/uspace/trunk/libc/include/async.h – Rev 1490 → 1500

Rev 1490		Rev 1500
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	typedef void (async_client_conn_t)(ipc_callid_t callid, ipc_call_t call);
39		39
40	int async_manager(void);	40	int async_manager(void);
-		41	ipc_callid_t async_get_call_timeout(ipc_call_t *call, suseconds_t usecs);
41	ipc_callid_t async_get_call(ipc_call_t *data);	42	static inline ipc_callid_t async_get_call(ipc_call_t *data)
42		43	{
-		44	return async_get_call_timeout(data, 0);
-		45	}
43		46
44	aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,	47	aid_t async_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
45	ipc_call_t *dataptr);	48	ipc_call_t *dataptr);
46	void async_wait_for(aid_t amsgid, ipcarg_t *result);	49	void async_wait_for(aid_t amsgid, ipcarg_t *result);
47	int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout);	50	int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout);
48		51
49	/** Pseudo-synchronous message sending	52	/** Pseudo-synchronous message sending
50	*	53	*
51	* Send message through IPC, wait in the event loop, until it is received	54	* Send message through IPC, wait in the event loop, until it is received
52	*	55	*
53	* @return Return code of message	56	* @return Return code of message
54	*/	57	*/
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)	58	static inline ipcarg_t sync_send_2(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t r1, ipcarg_t r2)
56	{	59	{
57	ipc_call_t result;	60	ipc_call_t result;
58	ipcarg_t rc;	61	ipcarg_t rc;
59		62
60	aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result);	63	aid_t eid = async_send_2(phoneid, method, arg1, arg2, &result);
61	async_wait_for(eid, &rc);	64	async_wait_for(eid, &rc);
62	if (r1)	65	if (r1)
63	*r1 = IPC_GET_ARG1(result);	66	*r1 = IPC_GET_ARG1(result);
64	if (r2)	67	if (r2)
65	*r2 = IPC_GET_ARG2(result);	68	*r2 = IPC_GET_ARG2(result);
66	return rc;	69	return rc;
67	}	70	}
68		71
69		72
70	pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid,	73	pstid_t async_new_connection(ipcarg_t in_phone_hash,ipc_callid_t callid,
71	ipc_call_t *call,	74	ipc_call_t *call,
72	void (cthread)(ipc_callid_t,ipc_call_t ));	75	void (cthread)(ipc_callid_t,ipc_call_t ));
73	void async_usleep(suseconds_t timeout);	76	void async_usleep(suseconds_t timeout);
74	void async_create_manager(void);	77	void async_create_manager(void);
75	void async_destroy_manager(void);	78	void async_destroy_manager(void);
76	void async_set_client_connection(async_client_conn_t conn);	79	void async_set_client_connection(async_client_conn_t conn);
77	int _async_init(void);	80	int _async_init(void);
78		81
79	/* Should be defined by application */	82	/* Should be defined by application */
80	void interrupt_received(ipc_call_t *call) __attribute__((weak));	83	void interrupt_received(ipc_call_t *call) __attribute__((weak));
81		84
82		85
83	extern atomic_t async_futex;	86	extern atomic_t async_futex;
84		87
85	#endif	88	#endif
86		89