HelenOS/USB: doxygen-tmp/development_branch/uspace/lib/c/include/async.h Source File

00001 /*
00002  * Copyright (c) 2006 Ondrej Palkovsky
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00035 #if ((defined(LIBC_IPC_H_)) && (!defined(LIBC_ASYNC_C_)))
00036         #error Do not intermix low-level IPC interface and async framework
00037 #endif
00038 
00039 #ifndef LIBC_ASYNC_H_
00040 #define LIBC_ASYNC_H_
00041 
00042 #include <ipc/common.h>
00043 #include <async_sess.h>
00044 #include <fibril.h>
00045 #include <sys/time.h>
00046 #include <atomic.h>
00047 #include <bool.h>
00048 #include <task.h>
00049 
00050 typedef ipc_callid_t aid_t;
00051 
00052 typedef void *(*async_client_data_ctor_t)(void);
00053 typedef void (*async_client_data_dtor_t)(void *);
00054 
00055 typedef void (*async_client_conn_t)(ipc_callid_t, ipc_call_t *);
00056 
00057 extern atomic_t threads_in_ipc_wait;
00058 
00059 #define async_manager() \
00060         fibril_switch(FIBRIL_TO_MANAGER)
00061 
00062 #define async_get_call(data) \
00063         async_get_call_timeout(data, 0)
00064 
00065 extern ipc_callid_t async_get_call_timeout(ipc_call_t *, suseconds_t);
00066 
00067 /*
00068  * User-friendly wrappers for async_send_fast() and async_send_slow(). The
00069  * macros are in the form async_send_m(), where m denotes the number of payload
00070  * arguments.  Each macros chooses between the fast and the slow version based
00071  * on m.
00072  */
00073 
00074 #define async_send_0(phoneid, method, dataptr) \
00075         async_send_fast((phoneid), (method), 0, 0, 0, 0, (dataptr))
00076 #define async_send_1(phoneid, method, arg1, dataptr) \
00077         async_send_fast((phoneid), (method), (arg1), 0, 0, 0, (dataptr))
00078 #define async_send_2(phoneid, method, arg1, arg2, dataptr) \
00079         async_send_fast((phoneid), (method), (arg1), (arg2), 0, 0, (dataptr))
00080 #define async_send_3(phoneid, method, arg1, arg2, arg3, dataptr) \
00081         async_send_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (dataptr))
00082 #define async_send_4(phoneid, method, arg1, arg2, arg3, arg4, dataptr) \
00083         async_send_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00084             (dataptr))
00085 #define async_send_5(phoneid, method, arg1, arg2, arg3, arg4, arg5, dataptr) \
00086         async_send_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00087             (arg5), (dataptr))
00088 
00089 extern aid_t async_send_fast(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
00090     sysarg_t, ipc_call_t *);
00091 extern aid_t async_send_slow(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
00092     sysarg_t, sysarg_t, ipc_call_t *);
00093 extern void async_wait_for(aid_t, sysarg_t *);
00094 extern int async_wait_timeout(aid_t, sysarg_t *, suseconds_t);
00095 
00096 extern fid_t async_new_connection(sysarg_t, sysarg_t, ipc_callid_t,
00097     ipc_call_t *, void (*)(ipc_callid_t, ipc_call_t *));
00098 extern void async_usleep(suseconds_t);
00099 extern void async_create_manager(void);
00100 extern void async_destroy_manager(void);
00101 
00102 extern void async_set_client_data_constructor(async_client_data_ctor_t);
00103 extern void async_set_client_data_destructor(async_client_data_dtor_t);
00104 
00105 extern void *async_client_data_get(void);
00106 
00107 extern void async_set_client_connection(async_client_conn_t);
00108 extern void async_set_interrupt_received(async_client_conn_t);
00109 
00110 /*
00111  * Wrappers for simple communication.
00112  */
00113 
00114 extern void async_msg_0(int, sysarg_t);
00115 extern void async_msg_1(int, sysarg_t, sysarg_t);
00116 extern void async_msg_2(int, sysarg_t, sysarg_t, sysarg_t);
00117 extern void async_msg_3(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t);
00118 extern void async_msg_4(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, sysarg_t);
00119 extern void async_msg_5(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
00120     sysarg_t);
00121 
00122 /*
00123  * Wrappers for answer routines.
00124  */
00125 
00126 extern sysarg_t async_answer_0(ipc_callid_t, sysarg_t);
00127 extern sysarg_t async_answer_1(ipc_callid_t, sysarg_t, sysarg_t);
00128 extern sysarg_t async_answer_2(ipc_callid_t, sysarg_t, sysarg_t, sysarg_t);
00129 extern sysarg_t async_answer_3(ipc_callid_t, sysarg_t, sysarg_t, sysarg_t,
00130     sysarg_t);
00131 extern sysarg_t async_answer_4(ipc_callid_t, sysarg_t, sysarg_t, sysarg_t,
00132     sysarg_t, sysarg_t);
00133 extern sysarg_t async_answer_5(ipc_callid_t, sysarg_t, sysarg_t, sysarg_t,
00134     sysarg_t, sysarg_t, sysarg_t);
00135 
00136 /*
00137  * Wrappers for forwarding routines.
00138  */
00139 
00140 extern int async_forward_fast(ipc_callid_t, int, sysarg_t, sysarg_t, sysarg_t,
00141     unsigned int);
00142 extern int async_forward_slow(ipc_callid_t, int, sysarg_t, sysarg_t, sysarg_t,
00143     sysarg_t, sysarg_t, sysarg_t, unsigned int);
00144 
00145 /*
00146  * User-friendly wrappers for async_req_fast() and async_req_slow(). The macros
00147  * are in the form async_req_m_n(), where m is the number of payload arguments
00148  * and n is the number of return arguments. The macros decide between the fast
00149  * and slow verion based on m.
00150  */
00151 
00152 #define async_req_0_0(phoneid, method) \
00153         async_req_fast((phoneid), (method), 0, 0, 0, 0, NULL, NULL, NULL, NULL, \
00154             NULL)
00155 #define async_req_0_1(phoneid, method, r1) \
00156         async_req_fast((phoneid), (method), 0, 0, 0, 0, (r1), NULL, NULL, NULL, \
00157             NULL)
00158 #define async_req_0_2(phoneid, method, r1, r2) \
00159         async_req_fast((phoneid), (method), 0, 0, 0, 0, (r1), (r2), NULL, NULL, \
00160             NULL)
00161 #define async_req_0_3(phoneid, method, r1, r2, r3) \
00162         async_req_fast((phoneid), (method), 0, 0, 0, 0, (r1), (r2), (r3), NULL, \
00163             NULL)
00164 #define async_req_0_4(phoneid, method, r1, r2, r3, r4) \
00165         async_req_fast((phoneid), (method), 0, 0, 0, 0, (r1), (r2), (r3), (r4), \
00166             NULL)
00167 #define async_req_0_5(phoneid, method, r1, r2, r3, r4, r5) \
00168         async_req_fast((phoneid), (method), 0, 0, 0, 0, (r1), (r2), (r3), (r4), \
00169             (r5))
00170 #define async_req_1_0(phoneid, method, arg1) \
00171         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, NULL, NULL, NULL, \
00172             NULL, NULL)
00173 #define async_req_1_1(phoneid, method, arg1, rc1) \
00174         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, (rc1), NULL, NULL, \
00175             NULL, NULL)
00176 #define async_req_1_2(phoneid, method, arg1, rc1, rc2) \
00177         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, (rc1), (rc2), NULL, \
00178             NULL, NULL)
00179 #define async_req_1_3(phoneid, method, arg1, rc1, rc2, rc3) \
00180         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, (rc1), (rc2), (rc3), \
00181             NULL, NULL)
00182 #define async_req_1_4(phoneid, method, arg1, rc1, rc2, rc3, rc4) \
00183         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, (rc1), (rc2), (rc3), \
00184             (rc4), NULL)
00185 #define async_req_1_5(phoneid, method, arg1, rc1, rc2, rc3, rc4, rc5) \
00186         async_req_fast((phoneid), (method), (arg1), 0, 0, 0, (rc1), (rc2), (rc3), \
00187             (rc4), (rc5))
00188 #define async_req_2_0(phoneid, method, arg1, arg2) \
00189         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, NULL, NULL, \
00190             NULL, NULL, NULL)
00191 #define async_req_2_1(phoneid, method, arg1, arg2, rc1) \
00192         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, (rc1), NULL, \
00193             NULL, NULL, NULL)
00194 #define async_req_2_2(phoneid, method, arg1, arg2, rc1, rc2) \
00195         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, (rc1), (rc2), \
00196             NULL, NULL, NULL)
00197 #define async_req_2_3(phoneid, method, arg1, arg2, rc1, rc2, rc3) \
00198         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, (rc1), (rc2), \
00199             (rc3), NULL, NULL)
00200 #define async_req_2_4(phoneid, method, arg1, arg2, rc1, rc2, rc3, rc4) \
00201         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, (rc1), (rc2), \
00202             (rc3), (rc4), NULL)
00203 #define async_req_2_5(phoneid, method, arg1, arg2, rc1, rc2, rc3, rc4, rc5) \
00204         async_req_fast((phoneid), (method), (arg1), (arg2), 0, 0, (rc1), (rc2), \
00205             (rc3), (rc4), (rc5))
00206 #define async_req_3_0(phoneid, method, arg1, arg2, arg3) \
00207         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, NULL, NULL, \
00208             NULL, NULL, NULL)
00209 #define async_req_3_1(phoneid, method, arg1, arg2, arg3, rc1) \
00210         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (rc1), \
00211             NULL, NULL, NULL, NULL)
00212 #define async_req_3_2(phoneid, method, arg1, arg2, arg3, rc1, rc2) \
00213         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (rc1), \
00214             (rc2), NULL, NULL, NULL)
00215 #define async_req_3_3(phoneid, method, arg1, arg2, arg3, rc1, rc2, rc3) \
00216         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (rc1), \
00217             (rc2), (rc3), NULL, NULL)
00218 #define async_req_3_4(phoneid, method, arg1, arg2, arg3, rc1, rc2, rc3, rc4) \
00219         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (rc1), \
00220             (rc2), (rc3), (rc4), NULL)
00221 #define async_req_3_5(phoneid, method, arg1, arg2, arg3, rc1, rc2, rc3, rc4, \
00222     rc5) \
00223         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, (rc1), \
00224             (rc2), (rc3), (rc4), (rc5))
00225 #define async_req_4_0(phoneid, method, arg1, arg2, arg3, arg4) \
00226         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), NULL, \
00227             NULL, NULL, NULL, NULL)
00228 #define async_req_4_1(phoneid, method, arg1, arg2, arg3, arg4, rc1) \
00229         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), (rc1), \
00230             NULL, NULL, NULL, NULL)
00231 #define async_req_4_2(phoneid, method, arg1, arg2, arg3, arg4, rc1, rc2) \
00232         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), (rc1), \
00233             (rc2), NULL, NULL, NULL)
00234 #define async_req_4_3(phoneid, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3) \
00235         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), (rc1), \
00236             (rc2), (rc3), NULL, NULL)
00237 #define async_req_4_4(phoneid, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
00238     rc4) \
00239         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00240             (rc1), (rc2), (rc3), (rc4), NULL)
00241 #define async_req_4_5(phoneid, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
00242     rc4, rc5) \
00243         async_req_fast((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00244             (rc1), (rc2), (rc3), (rc4), (rc5))
00245 #define async_req_5_0(phoneid, method, arg1, arg2, arg3, arg4, arg5) \
00246         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00247             (arg5), NULL, NULL, NULL, NULL, NULL)
00248 #define async_req_5_1(phoneid, method, arg1, arg2, arg3, arg4, arg5, rc1) \
00249         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00250             (arg5), (rc1), NULL, NULL, NULL, NULL)
00251 #define async_req_5_2(phoneid, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2) \
00252         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00253             (arg5), (rc1), (rc2), NULL, NULL, NULL)
00254 #define async_req_5_3(phoneid, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
00255     rc3) \
00256         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00257             (arg5), (rc1), (rc2), (rc3), NULL, NULL)
00258 #define async_req_5_4(phoneid, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
00259     rc3, rc4) \
00260         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00261             (arg5), (rc1), (rc2), (rc3), (rc4), NULL)
00262 #define async_req_5_5(phoneid, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
00263     rc3, rc4, rc5) \
00264         async_req_slow((phoneid), (method), (arg1), (arg2), (arg3), (arg4), \
00265             (arg5), (rc1), (rc2), (rc3), (rc4), (rc5))
00266 
00267 extern sysarg_t async_req_fast(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
00268     sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *);
00269 extern sysarg_t async_req_slow(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
00270     sysarg_t, sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *,
00271     sysarg_t *);
00272 
00273 static inline void async_serialize_start(void)
00274 {
00275         fibril_inc_sercount();
00276 }
00277 
00278 static inline void async_serialize_end(void)
00279 {
00280         fibril_dec_sercount();
00281 }
00282 
00283 extern int async_connect_to_me(int, sysarg_t, sysarg_t, sysarg_t,
00284     async_client_conn_t);
00285 extern int async_connect_me_to(int, sysarg_t, sysarg_t, sysarg_t);
00286 extern int async_connect_me_to_blocking(int, sysarg_t, sysarg_t, sysarg_t);
00287 extern int async_connect_kbox(task_id_t);
00288 extern int async_hangup(int);
00289 extern void async_poke(void);
00290 
00291 /*
00292  * User-friendly wrappers for async_share_in_start().
00293  */
00294 
00295 #define async_share_in_start_0_0(phoneid, dst, size) \
00296         async_share_in_start((phoneid), (dst), (size), 0, NULL)
00297 #define async_share_in_start_0_1(phoneid, dst, size, flags) \
00298         async_share_in_start((phoneid), (dst), (size), 0, (flags))
00299 #define async_share_in_start_1_0(phoneid, dst, size, arg) \
00300         async_share_in_start((phoneid), (dst), (size), (arg), NULL)
00301 #define async_share_in_start_1_1(phoneid, dst, size, arg, flags) \
00302         async_share_in_start((phoneid), (dst), (size), (arg), (flags))
00303 
00304 extern int async_share_in_start(int, void *, size_t, sysarg_t, unsigned int *);
00305 extern bool async_share_in_receive(ipc_callid_t *, size_t *);
00306 extern int async_share_in_finalize(ipc_callid_t, void *, unsigned int);
00307 
00308 extern int async_share_out_start(int, void *, unsigned int);
00309 extern bool async_share_out_receive(ipc_callid_t *, size_t *, unsigned int *);
00310 extern int async_share_out_finalize(ipc_callid_t, void *);
00311 
00312 /*
00313  * User-friendly wrappers for async_data_read_forward_fast().
00314  */
00315 
00316 #define async_data_read_forward_0_0(phoneid, method, answer) \
00317         async_data_read_forward_fast((phoneid), (method), 0, 0, 0, 0, NULL)
00318 #define async_data_read_forward_0_1(phoneid, method, answer) \
00319         async_data_read_forward_fast((phoneid), (method), 0, 0, 0, 0, (answer))
00320 #define async_data_read_forward_1_0(phoneid, method, arg1, answer) \
00321         async_data_read_forward_fast((phoneid), (method), (arg1), 0, 0, 0, NULL)
00322 #define async_data_read_forward_1_1(phoneid, method, arg1, answer) \
00323         async_data_read_forward_fast((phoneid), (method), (arg1), 0, 0, 0, (answer))
00324 #define async_data_read_forward_2_0(phoneid, method, arg1, arg2, answer) \
00325         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), 0, 0, NULL)
00326 #define async_data_read_forward_2_1(phoneid, method, arg1, arg2, answer) \
00327         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), 0, 0, \
00328             (answer))
00329 #define async_data_read_forward_3_0(phoneid, method, arg1, arg2, arg3, answer) \
00330         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, \
00331             NULL)
00332 #define async_data_read_forward_3_1(phoneid, method, arg1, arg2, arg3, answer) \
00333         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), 0, \
00334             (answer))
00335 #define async_data_read_forward_4_0(phoneid, method, arg1, arg2, arg3, arg4, answer) \
00336         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00337             (arg4), NULL)
00338 #define async_data_read_forward_4_1(phoneid, method, arg1, arg2, arg3, arg4, answer) \
00339         async_data_read_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00340             (arg4), (answer))
00341 
00342 extern aid_t async_data_read(int, void *, size_t, ipc_call_t *);
00343 #define async_data_read_start(p, buf, len) \
00344         async_data_read_start_generic((p), (buf), (len), IPC_XF_NONE)
00345 
00346 extern int async_data_read_start_generic(int, void *, size_t, int);
00347 extern bool async_data_read_receive(ipc_callid_t *, size_t *);
00348 extern int async_data_read_finalize(ipc_callid_t, const void *, size_t);
00349 
00350 extern int async_data_read_forward_fast(int, sysarg_t, sysarg_t, sysarg_t,
00351     sysarg_t, sysarg_t, ipc_call_t *);
00352 
00353 /*
00354  * User-friendly wrappers for async_data_write_forward_fast().
00355  */
00356 
00357 #define async_data_write_forward_0_0(phoneid, method, answer) \
00358         async_data_write_forward_fast((phoneid), (method), 0, 0, 0, 0, NULL)
00359 #define async_data_write_forward_0_1(phoneid, method, answer) \
00360         async_data_write_forward_fast((phoneid), (method), 0, 0, 0, 0, (answer))
00361 #define async_data_write_forward_1_0(phoneid, method, arg1, answer) \
00362         async_data_write_forward_fast((phoneid), (method), (arg1), 0, 0, 0, NULL)
00363 #define async_data_write_forward_1_1(phoneid, method, arg1, answer) \
00364         async_data_write_forward_fast((phoneid), (method), (arg1), 0, 0, 0, \
00365             (answer))
00366 #define async_data_write_forward_2_0(phoneid, method, arg1, arg2, answer) \
00367         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), 0, 0, \
00368             NULL)
00369 #define async_data_write_forward_2_1(phoneid, method, arg1, arg2, answer) \
00370         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), 0, 0, \
00371             (answer))
00372 #define async_data_write_forward_3_0(phoneid, method, arg1, arg2, arg3, answer) \
00373         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00374             0, NULL)
00375 #define async_data_write_forward_3_1(phoneid, method, arg1, arg2, arg3, answer) \
00376         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00377             0, (answer))
00378 #define async_data_write_forward_4_0(phoneid, method, arg1, arg2, arg3, arg4, answer) \
00379         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00380             (arg4), NULL)
00381 #define async_data_write_forward_4_1(phoneid, method, arg1, arg2, arg3, arg4, answer) \
00382         async_data_write_forward_fast((phoneid), (method), (arg1), (arg2), (arg3), \
00383             (arg4), (answer))
00384 
00385 #define async_data_write_start(p, buf, len) \
00386         async_data_write_start_generic((p), (buf), (len), IPC_XF_NONE)
00387 
00388 extern int async_data_write_start_generic(int, const void *, size_t, int);
00389 extern bool async_data_write_receive(ipc_callid_t *, size_t *);
00390 extern int async_data_write_finalize(ipc_callid_t, void *, size_t);
00391 
00392 extern int async_data_write_accept(void **, const bool, const size_t,
00393     const size_t, const size_t, size_t *);
00394 extern void async_data_write_void(sysarg_t);
00395 
00396 extern int async_data_write_forward_fast(int, sysarg_t, sysarg_t, sysarg_t,
00397     sysarg_t, sysarg_t, ipc_call_t *);
00398 
00399 #endif
00400