| 1 | /*
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| 2 | * Copyright (c) 2006 Ondrej Palkovsky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #if ((defined(LIBC_IPC_H_)) && (!defined(LIBC_ASYNC_C_)))
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| 36 | #error Do not intermix low-level IPC interface and async framework
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| 37 | #endif
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| 38 |
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| 39 | #ifndef LIBC_ASYNC_H_
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| 40 | #define LIBC_ASYNC_H_
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| 41 |
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| 42 | #include <ipc/common.h>
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| 43 | #include <time.h>
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| 44 | #include <stdbool.h>
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| 45 | #include <abi/proc/task.h>
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| 46 | #include <abi/ddi/irq.h>
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| 47 | #include <abi/ipc/event.h>
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| 48 | #include <abi/ipc/interfaces.h>
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| 49 | #include <abi/cap.h>
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| 50 |
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| 51 | #include <_bits/__noreturn.h>
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| 52 |
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| 53 | typedef sysarg_t aid_t;
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| 54 | typedef sysarg_t port_id_t;
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| 55 |
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| 56 | typedef void *(*async_client_data_ctor_t)(void);
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| 57 | typedef void (*async_client_data_dtor_t)(void *);
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| 58 |
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| 59 | /** Port connection handler
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| 60 | *
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| 61 | * @param call Incoming call or NULL if connection initiated from inside
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| 62 | * using async_create_callback_port()
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| 63 | * @param arg Local argument.
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| 64 | *
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| 65 | */
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| 66 | typedef void (*async_port_handler_t)(ipc_call_t *, void *);
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| 67 |
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| 68 | /** Notification handler */
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| 69 | typedef void (*async_notification_handler_t)(ipc_call_t *, void *);
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| 70 |
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| 71 | /** Exchange management style
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| 72 | *
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| 73 | */
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| 74 | typedef enum {
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| 75 | /** No explicit exchange management
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| 76 | *
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| 77 | * Suitable for protocols which use a single
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| 78 | * IPC message per exchange only.
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| 79 | *
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| 80 | */
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| 81 | EXCHANGE_ATOMIC = 0,
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| 82 |
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| 83 | /** Exchange management via mutual exclusion
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| 84 | *
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| 85 | * Suitable for any kind of client/server communication,
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| 86 | * but can limit parallelism.
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| 87 | *
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| 88 | */
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| 89 | EXCHANGE_SERIALIZE = 1,
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| 90 |
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| 91 | /** Exchange management via phone cloning
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| 92 | *
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| 93 | * Suitable for servers which support client
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| 94 | * data tracking by task hashes and do not
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| 95 | * mind cloned phones.
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| 96 | *
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| 97 | */
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| 98 | EXCHANGE_PARALLEL = 2
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| 99 | } exch_mgmt_t;
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| 100 |
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| 101 | /** Forward declarations */
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| 102 | struct async_exch;
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| 103 | struct async_sess;
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| 104 |
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| 105 | typedef struct async_sess async_sess_t;
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| 106 | typedef struct async_exch async_exch_t;
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| 107 |
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| 108 | extern __noreturn void async_manager(void);
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| 109 |
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| 110 | #define async_get_call(data) \
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| 111 | async_get_call_timeout(data, 0)
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| 112 |
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| 113 | extern bool async_get_call_timeout(ipc_call_t *, usec_t);
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| 114 |
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| 115 | /*
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| 116 | * User-friendly wrappers for async_send_fast() and async_send_slow(). The
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| 117 | * macros are in the form async_send_m(), where m denotes the number of payload
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| 118 | * arguments. Each macros chooses between the fast and the slow version based
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| 119 | * on m.
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| 120 | */
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| 121 |
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| 122 | #define async_send_0(exch, method, dataptr) \
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| 123 | async_send_fast(exch, method, 0, 0, 0, 0, dataptr)
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| 124 | #define async_send_1(exch, method, arg1, dataptr) \
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| 125 | async_send_fast(exch, method, arg1, 0, 0, 0, dataptr)
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| 126 | #define async_send_2(exch, method, arg1, arg2, dataptr) \
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| 127 | async_send_fast(exch, method, arg1, arg2, 0, 0, dataptr)
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| 128 | #define async_send_3(exch, method, arg1, arg2, arg3, dataptr) \
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| 129 | async_send_fast(exch, method, arg1, arg2, arg3, 0, dataptr)
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| 130 | #define async_send_4(exch, method, arg1, arg2, arg3, arg4, dataptr) \
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| 131 | async_send_fast(exch, method, arg1, arg2, arg3, arg4, dataptr)
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| 132 | #define async_send_5(exch, method, arg1, arg2, arg3, arg4, arg5, dataptr) \
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| 133 | async_send_slow(exch, method, arg1, arg2, arg3, arg4, arg5, dataptr)
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| 134 |
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| 135 | extern aid_t async_send_fast(async_exch_t *, sysarg_t, sysarg_t, sysarg_t,
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| 136 | sysarg_t, sysarg_t, ipc_call_t *);
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| 137 | extern aid_t async_send_slow(async_exch_t *, sysarg_t, sysarg_t, sysarg_t,
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| 138 | sysarg_t, sysarg_t, sysarg_t, ipc_call_t *);
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| 139 |
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| 140 | extern void async_wait_for(aid_t, errno_t *);
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| 141 | extern errno_t async_wait_timeout(aid_t, errno_t *, usec_t);
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| 142 | extern void async_forget(aid_t);
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| 143 |
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| 144 | extern void async_set_client_data_constructor(async_client_data_ctor_t);
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| 145 | extern void async_set_client_data_destructor(async_client_data_dtor_t);
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| 146 | extern void *async_get_client_data(void);
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| 147 | extern void *async_get_client_data_by_id(task_id_t);
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| 148 | extern void async_put_client_data_by_id(task_id_t);
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| 149 |
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| 150 | extern errno_t async_create_port(iface_t, async_port_handler_t, void *,
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| 151 | port_id_t *);
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| 152 | extern void async_set_fallback_port_handler(async_port_handler_t, void *);
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| 153 | extern errno_t async_create_callback_port(async_exch_t *, iface_t, sysarg_t,
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| 154 | sysarg_t, async_port_handler_t, void *, port_id_t *);
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| 155 |
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| 156 | extern errno_t async_irq_subscribe(int, async_notification_handler_t, void *,
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| 157 | const irq_code_t *, cap_irq_handle_t *);
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| 158 | extern errno_t async_irq_unsubscribe(cap_irq_handle_t);
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| 159 |
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| 160 | extern errno_t async_event_subscribe(event_type_t, async_notification_handler_t,
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| 161 | void *);
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| 162 | extern errno_t async_event_task_subscribe(event_task_type_t,
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| 163 | async_notification_handler_t, void *);
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| 164 | extern errno_t async_event_unsubscribe(event_type_t);
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| 165 | extern errno_t async_event_task_unsubscribe(event_task_type_t);
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| 166 | extern errno_t async_event_unmask(event_type_t);
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| 167 | extern errno_t async_event_task_unmask(event_task_type_t);
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| 168 |
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| 169 | /*
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| 170 | * Wrappers for simple communication.
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| 171 | */
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| 172 |
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| 173 | extern void async_msg_0(async_exch_t *, sysarg_t);
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| 174 | extern void async_msg_1(async_exch_t *, sysarg_t, sysarg_t);
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| 175 | extern void async_msg_2(async_exch_t *, sysarg_t, sysarg_t, sysarg_t);
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| 176 | extern void async_msg_3(async_exch_t *, sysarg_t, sysarg_t, sysarg_t, sysarg_t);
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| 177 | extern void async_msg_4(async_exch_t *, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
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| 178 | sysarg_t);
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| 179 | extern void async_msg_5(async_exch_t *, sysarg_t, sysarg_t, sysarg_t, sysarg_t,
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| 180 | sysarg_t, sysarg_t);
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| 181 |
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| 182 | /*
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| 183 | * Wrappers for answer routines.
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| 184 | */
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| 185 |
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| 186 | extern errno_t async_answer_0(ipc_call_t *, errno_t);
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| 187 | extern errno_t async_answer_1(ipc_call_t *, errno_t, sysarg_t);
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| 188 | extern errno_t async_answer_2(ipc_call_t *, errno_t, sysarg_t, sysarg_t);
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| 189 | extern errno_t async_answer_3(ipc_call_t *, errno_t, sysarg_t, sysarg_t,
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| 190 | sysarg_t);
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| 191 | extern errno_t async_answer_4(ipc_call_t *, errno_t, sysarg_t, sysarg_t,
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| 192 | sysarg_t, sysarg_t);
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| 193 | extern errno_t async_answer_5(ipc_call_t *, errno_t, sysarg_t, sysarg_t,
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| 194 | sysarg_t, sysarg_t, sysarg_t);
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| 195 |
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| 196 | /*
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| 197 | * Wrappers for forwarding routines.
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| 198 | */
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| 199 |
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| 200 | extern errno_t async_forward_fast(ipc_call_t *, async_exch_t *, sysarg_t,
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| 201 | sysarg_t, sysarg_t, unsigned int);
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| 202 | extern errno_t async_forward_slow(ipc_call_t *, async_exch_t *, sysarg_t,
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| 203 | sysarg_t, sysarg_t, sysarg_t, sysarg_t, sysarg_t, unsigned int);
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| 204 |
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| 205 | /*
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| 206 | * User-friendly wrappers for async_req_fast() and async_req_slow(). The macros
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| 207 | * are in the form async_req_m_n(), where m is the number of payload arguments
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| 208 | * and n is the number of return arguments. The macros decide between the fast
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| 209 | * and slow verion based on m.
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| 210 | */
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| 211 |
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| 212 | #define async_req_0_0(exch, method) \
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| 213 | async_req_fast(exch, method, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)
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| 214 | #define async_req_0_1(exch, method, r1) \
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| 215 | async_req_fast(exch, method, 0, 0, 0, 0, r1, NULL, NULL, NULL, NULL)
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| 216 | #define async_req_0_2(exch, method, r1, r2) \
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| 217 | async_req_fast(exch, method, 0, 0, 0, 0, r1, r2, NULL, NULL, NULL)
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| 218 | #define async_req_0_3(exch, method, r1, r2, r3) \
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| 219 | async_req_fast(exch, method, 0, 0, 0, 0, r1, r2, r3, NULL, NULL)
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| 220 | #define async_req_0_4(exch, method, r1, r2, r3, r4) \
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| 221 | async_req_fast(exch, method, 0, 0, 0, 0, r1, r2, r3, r4, NULL)
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| 222 | #define async_req_0_5(exch, method, r1, r2, r3, r4, r5) \
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| 223 | async_req_fast(exch, method, 0, 0, 0, 0, r1, r2, r3, r4, r5)
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| 224 |
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| 225 | #define async_req_1_0(exch, method, arg1) \
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| 226 | async_req_fast(exch, method, arg1, 0, 0, 0, NULL, NULL, NULL, NULL, \
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| 227 | NULL)
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| 228 | #define async_req_1_1(exch, method, arg1, rc1) \
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| 229 | async_req_fast(exch, method, arg1, 0, 0, 0, rc1, NULL, NULL, NULL, \
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| 230 | NULL)
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| 231 | #define async_req_1_2(exch, method, arg1, rc1, rc2) \
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| 232 | async_req_fast(exch, method, arg1, 0, 0, 0, rc1, rc2, NULL, NULL, \
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| 233 | NULL)
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| 234 | #define async_req_1_3(exch, method, arg1, rc1, rc2, rc3) \
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| 235 | async_req_fast(exch, method, arg1, 0, 0, 0, rc1, rc2, rc3, NULL, \
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| 236 | NULL)
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| 237 | #define async_req_1_4(exch, method, arg1, rc1, rc2, rc3, rc4) \
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| 238 | async_req_fast(exch, method, arg1, 0, 0, 0, rc1, rc2, rc3, rc4, \
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| 239 | NULL)
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| 240 | #define async_req_1_5(exch, method, arg1, rc1, rc2, rc3, rc4, rc5) \
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| 241 | async_req_fast(exch, method, arg1, 0, 0, 0, rc1, rc2, rc3, rc4, \
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| 242 | rc5)
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| 243 |
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| 244 | #define async_req_2_0(exch, method, arg1, arg2) \
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| 245 | async_req_fast(exch, method, arg1, arg2, 0, 0, NULL, NULL, NULL, \
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| 246 | NULL, NULL)
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| 247 | #define async_req_2_1(exch, method, arg1, arg2, rc1) \
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| 248 | async_req_fast(exch, method, arg1, arg2, 0, 0, rc1, NULL, NULL, \
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| 249 | NULL, NULL)
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| 250 | #define async_req_2_2(exch, method, arg1, arg2, rc1, rc2) \
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| 251 | async_req_fast(exch, method, arg1, arg2, 0, 0, rc1, rc2, NULL, NULL, \
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| 252 | NULL)
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| 253 | #define async_req_2_3(exch, method, arg1, arg2, rc1, rc2, rc3) \
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| 254 | async_req_fast(exch, method, arg1, arg2, 0, 0, rc1, rc2, rc3, NULL, \
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| 255 | NULL)
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| 256 | #define async_req_2_4(exch, method, arg1, arg2, rc1, rc2, rc3, rc4) \
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| 257 | async_req_fast(exch, method, arg1, arg2, 0, 0, rc1, rc2, rc3, rc4, \
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| 258 | NULL)
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| 259 | #define async_req_2_5(exch, method, arg1, arg2, rc1, rc2, rc3, rc4, rc5) \
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| 260 | async_req_fast(exch, method, arg1, arg2, 0, 0, rc1, rc2, rc3, rc4, \
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| 261 | rc5)
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| 262 |
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| 263 | #define async_req_3_0(exch, method, arg1, arg2, arg3) \
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| 264 | async_req_fast(exch, method, arg1, arg2, arg3, 0, NULL, NULL, NULL, \
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| 265 | NULL, NULL)
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| 266 | #define async_req_3_1(exch, method, arg1, arg2, arg3, rc1) \
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| 267 | async_req_fast(exch, method, arg1, arg2, arg3, 0, rc1, NULL, NULL, \
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| 268 | NULL, NULL)
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| 269 | #define async_req_3_2(exch, method, arg1, arg2, arg3, rc1, rc2) \
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| 270 | async_req_fast(exch, method, arg1, arg2, arg3, 0, rc1, rc2, NULL, \
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| 271 | NULL, NULL)
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| 272 | #define async_req_3_3(exch, method, arg1, arg2, arg3, rc1, rc2, rc3) \
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| 273 | async_req_fast(exch, method, arg1, arg2, arg3, 0, rc1, rc2, rc3, \
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| 274 | NULL, NULL)
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| 275 | #define async_req_3_4(exch, method, arg1, arg2, arg3, rc1, rc2, rc3, rc4) \
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| 276 | async_req_fast(exch, method, arg1, arg2, arg3, 0, rc1, rc2, rc3, \
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| 277 | rc4, NULL)
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| 278 | #define async_req_3_5(exch, method, arg1, arg2, arg3, rc1, rc2, rc3, rc4, \
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| 279 | rc5) \
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| 280 | async_req_fast(exch, method, arg1, arg2, arg3, 0, rc1, rc2, rc3, \
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| 281 | rc4, rc5)
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| 282 |
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| 283 | #define async_req_4_0(exch, method, arg1, arg2, arg3, arg4) \
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| 284 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, NULL, NULL, \
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| 285 | NULL, NULL, NULL)
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| 286 | #define async_req_4_1(exch, method, arg1, arg2, arg3, arg4, rc1) \
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| 287 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, rc1, NULL, \
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| 288 | NULL, NULL, NULL)
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| 289 | #define async_req_4_2(exch, method, arg1, arg2, arg3, arg4, rc1, rc2) \
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| 290 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, NULL, \
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| 291 | NULL, NULL)
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| 292 | #define async_req_4_3(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3) \
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| 293 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
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| 294 | NULL, NULL)
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| 295 | #define async_req_4_4(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
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| 296 | rc4) \
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| 297 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
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| 298 | rc4, NULL)
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| 299 | #define async_req_4_5(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
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| 300 | rc4, rc5) \
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| 301 | async_req_fast(exch, method, arg1, arg2, arg3, arg4, rc1, rc2, rc3, \
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| 302 | rc4, rc5)
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| 303 |
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| 304 | #define async_req_5_0(exch, method, arg1, arg2, arg3, arg4, arg5) \
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| 305 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, NULL, \
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| 306 | NULL, NULL, NULL, NULL)
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| 307 | #define async_req_5_1(exch, method, arg1, arg2, arg3, arg4, arg5, rc1) \
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| 308 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, \
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| 309 | NULL, NULL, NULL, NULL)
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| 310 | #define async_req_5_2(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2) \
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| 311 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 312 | NULL, NULL, NULL)
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| 313 | #define async_req_5_3(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 314 | rc3) \
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| 315 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 316 | rc3, NULL, NULL)
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| 317 | #define async_req_5_4(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 318 | rc3, rc4) \
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| 319 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 320 | rc3, rc4, NULL)
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| 321 | #define async_req_5_5(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 322 | rc3, rc4, rc5) \
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| 323 | async_req_slow(exch, method, arg1, arg2, arg3, arg4, arg5, rc1, rc2, \
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| 324 | rc3, rc4, rc5)
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| 325 |
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| 326 | extern errno_t async_req_fast(async_exch_t *, sysarg_t, sysarg_t, sysarg_t,
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| 327 | sysarg_t, sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *,
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| 328 | sysarg_t *);
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| 329 | extern errno_t async_req_slow(async_exch_t *, sysarg_t, sysarg_t, sysarg_t,
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| 330 | sysarg_t, sysarg_t, sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *,
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| 331 | sysarg_t *, sysarg_t *);
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| 332 |
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| 333 | extern errno_t async_accept_0(ipc_call_t *);
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| 334 | extern sysarg_t async_get_label(void);
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| 335 |
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| 336 | extern async_sess_t *async_connect_me_to(async_exch_t *, iface_t, sysarg_t,
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| 337 | sysarg_t);
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| 338 | extern async_sess_t *async_connect_me_to_blocking(async_exch_t *, iface_t,
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| 339 | sysarg_t, sysarg_t);
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| 340 | extern async_sess_t *async_connect_kbox(task_id_t);
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| 341 |
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| 342 | extern errno_t async_connect_to_me(async_exch_t *, iface_t, sysarg_t, sysarg_t);
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| 343 |
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| 344 | extern errno_t async_hangup(async_sess_t *);
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| 345 |
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| 346 | extern async_exch_t *async_exchange_begin(async_sess_t *);
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| 347 | extern void async_exchange_end(async_exch_t *);
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| 348 |
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| 349 | /*
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| 350 | * FIXME These functions just work around problems with parallel exchange
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| 351 | * management. Proper solution needs to be implemented.
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| 352 | */
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| 353 | extern void async_sess_args_set(async_sess_t *, iface_t, sysarg_t, sysarg_t);
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| 354 |
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| 355 | /*
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| 356 | * User-friendly wrappers for async_share_in_start().
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| 357 | */
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| 358 |
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| 359 | #define async_share_in_start_0_0(exch, size, dst) \
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| 360 | async_share_in_start(exch, size, 0, NULL, dst)
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| 361 | #define async_share_in_start_0_1(exch, size, flags, dst) \
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| 362 | async_share_in_start(exch, size, 0, flags, dst)
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| 363 | #define async_share_in_start_1_0(exch, size, arg, dst) \
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| 364 | async_share_in_start(exch, size, arg, NULL, dst)
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| 365 | #define async_share_in_start_1_1(exch, size, arg, flags, dst) \
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| 366 | async_share_in_start(exch, size, arg, flags, dst)
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| 367 |
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| 368 | extern errno_t async_share_in_start(async_exch_t *, size_t, sysarg_t,
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| 369 | unsigned int *, void **);
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| 370 | extern bool async_share_in_receive(ipc_call_t *, size_t *);
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| 371 | extern errno_t async_share_in_finalize(ipc_call_t *, void *, unsigned int);
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| 372 |
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| 373 | extern errno_t async_share_out_start(async_exch_t *, void *, unsigned int);
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| 374 | extern bool async_share_out_receive(ipc_call_t *, size_t *, unsigned int *);
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| 375 | extern errno_t async_share_out_finalize(ipc_call_t *, void **);
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| 376 |
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| 377 | /*
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| 378 | * User-friendly wrappers for async_data_read_forward_fast().
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| 379 | */
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| 380 |
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| 381 | #define async_data_read_forward_0_0(exch, method, answer) \
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| 382 | async_data_read_forward_fast(exch, method, 0, 0, 0, 0, NULL)
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| 383 | #define async_data_read_forward_0_1(exch, method, answer) \
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| 384 | async_data_read_forward_fast(exch, method, 0, 0, 0, 0, answer)
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| 385 | #define async_data_read_forward_1_0(exch, method, arg1, answer) \
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| 386 | async_data_read_forward_fast(exch, method, arg1, 0, 0, 0, NULL)
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| 387 | #define async_data_read_forward_1_1(exch, method, arg1, answer) \
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| 388 | async_data_read_forward_fast(exch, method, arg1, 0, 0, 0, answer)
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| 389 | #define async_data_read_forward_2_0(exch, method, arg1, arg2, answer) \
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| 390 | async_data_read_forward_fast(exch, method, arg1, arg2, 0, 0, NULL)
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| 391 | #define async_data_read_forward_2_1(exch, method, arg1, arg2, answer) \
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| 392 | async_data_read_forward_fast(exch, method, arg1, arg2, 0, 0, answer)
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| 393 | #define async_data_read_forward_3_0(exch, method, arg1, arg2, arg3, answer) \
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| 394 | async_data_read_forward_fast(exch, method, arg1, arg2, arg3, 0, NULL)
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| 395 | #define async_data_read_forward_3_1(exch, method, arg1, arg2, arg3, answer) \
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| 396 | async_data_read_forward_fast(exch, method, arg1, arg2, arg3, 0, \
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| 397 | answer)
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| 398 | #define async_data_read_forward_4_0(exch, method, arg1, arg2, arg3, arg4, \
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| 399 | answer) \
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| 400 | async_data_read_forward_fast(exch, method, arg1, arg2, arg3, arg4, \
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| 401 | NULL)
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| 402 | #define async_data_read_forward_4_1(exch, method, arg1, arg2, arg3, arg4, \
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| 403 | answer) \
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| 404 | async_data_read_forward_fast(exch, method, arg1, arg2, arg3, arg4, \
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| 405 | answer)
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| 406 |
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| 407 | extern aid_t async_data_read(async_exch_t *, void *, size_t, ipc_call_t *);
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| 408 | extern errno_t async_data_read_start(async_exch_t *, void *, size_t);
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| 409 | extern bool async_data_read_receive(ipc_call_t *, size_t *);
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| 410 | extern errno_t async_data_read_finalize(ipc_call_t *, const void *, size_t);
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| 411 |
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| 412 | extern errno_t async_data_read_forward_fast(async_exch_t *, sysarg_t, sysarg_t,
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| 413 | sysarg_t, sysarg_t, sysarg_t, ipc_call_t *);
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| 414 |
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| 415 | /*
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| 416 | * User-friendly wrappers for async_data_write_forward_fast().
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| 417 | */
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| 418 |
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| 419 | #define async_data_write_forward_0_0(exch, method, answer) \
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| 420 | async_data_write_forward_fast(exch, method, 0, 0, 0, 0, NULL)
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| 421 | #define async_data_write_forward_0_1(exch, method, answer) \
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| 422 | async_data_write_forward_fast(exch, method, 0, 0, 0, 0, answer)
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| 423 | #define async_data_write_forward_1_0(exch, method, arg1, answer) \
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| 424 | async_data_write_forward_fast(exch, method, arg1, 0, 0, 0, NULL)
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| 425 | #define async_data_write_forward_1_1(exch, method, arg1, answer) \
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| 426 | async_data_write_forward_fast(exch, method, arg1, 0, 0, 0, answer)
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| 427 | #define async_data_write_forward_2_0(exch, method, arg1, arg2, answer) \
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| 428 | async_data_write_forward_fast(exch, method, arg1, arg2, 0, 0, NULL)
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| 429 | #define async_data_write_forward_2_1(exch, method, arg1, arg2, answer) \
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| 430 | async_data_write_forward_fast(exch, method, arg1, arg2, 0, 0, answer)
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| 431 | #define async_data_write_forward_3_0(exch, method, arg1, arg2, arg3, answer) \
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| 432 | async_data_write_forward_fast(exch, method, arg1, arg2, arg3, 0, \
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| 433 | NULL)
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|---|
| 434 | #define async_data_write_forward_3_1(exch, method, arg1, arg2, arg3, answer) \
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| 435 | async_data_write_forward_fast(exch, method, arg1, arg2, arg3, 0, \
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|---|
| 436 | answer)
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|---|
| 437 | #define async_data_write_forward_4_0(exch, method, arg1, arg2, arg3, arg4, \
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|---|
| 438 | answer) \
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|---|
| 439 | async_data_write_forward_fast(exch, method, arg1, arg2, arg3, arg4, \
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|---|
| 440 | NULL)
|
|---|
| 441 | #define async_data_write_forward_4_1(exch, method, arg1, arg2, arg3, arg4, \
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|---|
| 442 | answer) \
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| 443 | async_data_write_forward_fast(exch, method, arg1, arg2, arg3, arg4, \
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|---|
| 444 | answer)
|
|---|
| 445 |
|
|---|
| 446 | extern errno_t async_data_write_start(async_exch_t *, const void *, size_t);
|
|---|
| 447 | extern bool async_data_write_receive(ipc_call_t *, size_t *);
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|---|
| 448 | extern errno_t async_data_write_finalize(ipc_call_t *, void *, size_t);
|
|---|
| 449 |
|
|---|
| 450 | extern errno_t async_data_write_accept(void **, const bool, const size_t,
|
|---|
| 451 | const size_t, const size_t, size_t *);
|
|---|
| 452 | extern void async_data_write_void(errno_t);
|
|---|
| 453 |
|
|---|
| 454 | extern errno_t async_data_write_forward_fast(async_exch_t *, sysarg_t, sysarg_t,
|
|---|
| 455 | sysarg_t, sysarg_t, sysarg_t, ipc_call_t *);
|
|---|
| 456 |
|
|---|
| 457 | extern async_sess_t *async_callback_receive(exch_mgmt_t);
|
|---|
| 458 | extern async_sess_t *async_callback_receive_start(exch_mgmt_t, ipc_call_t *);
|
|---|
| 459 |
|
|---|
| 460 | extern errno_t async_state_change_start(async_exch_t *, sysarg_t, sysarg_t,
|
|---|
| 461 | sysarg_t, async_exch_t *);
|
|---|
| 462 | extern bool async_state_change_receive(ipc_call_t *);
|
|---|
| 463 | extern errno_t async_state_change_finalize(ipc_call_t *, async_exch_t *);
|
|---|
| 464 |
|
|---|
| 465 | extern void *async_remote_state_acquire(async_sess_t *);
|
|---|
| 466 | extern void async_remote_state_update(async_sess_t *, void *);
|
|---|
| 467 | extern void async_remote_state_release(async_sess_t *);
|
|---|
| 468 | extern void async_remote_state_release_exchange(async_exch_t *);
|
|---|
| 469 |
|
|---|
| 470 | extern void *async_as_area_create(void *, size_t, unsigned int, async_sess_t *,
|
|---|
| 471 | sysarg_t, sysarg_t, sysarg_t);
|
|---|
| 472 |
|
|---|
| 473 | errno_t async_spawn_notification_handler(void);
|
|---|
| 474 |
|
|---|
| 475 | #endif
|
|---|
| 476 |
|
|---|
| 477 | /** @}
|
|---|
| 478 | */
|
|---|
