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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 genericipc |
29 | /** @addtogroup genericipc |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_IPC_H_ |
35 | #ifndef KERN_IPC_H_ |
36 | #define KERN_IPC_H_ |
36 | #define KERN_IPC_H_ |
37 | 37 | ||
38 | /* Length of data being transfered with IPC call */ |
38 | /* Length of data being transfered with IPC call */ |
39 | /* - the uspace may not be able to utilize full length */ |
39 | /* - the uspace may not be able to utilize full length */ |
40 | #define IPC_CALL_LEN 6 |
40 | #define IPC_CALL_LEN 6 |
41 | 41 | ||
42 | /** Maximum active async calls per thread */ |
42 | /** Maximum active async calls per thread */ |
43 | #ifdef CONFIG_DEBUG |
43 | #ifdef CONFIG_DEBUG |
44 | #define IPC_MAX_ASYNC_CALLS 4 |
44 | #define IPC_MAX_ASYNC_CALLS 4 |
45 | #else |
45 | #else |
46 | #define IPC_MAX_ASYNC_CALLS 4000 |
46 | #define IPC_MAX_ASYNC_CALLS 4000 |
47 | #endif |
47 | #endif |
48 | 48 | ||
49 | /* Flags for calls */ |
49 | /* Flags for calls */ |
50 | 50 | ||
51 | /** This is answer to a call */ |
51 | /** This is answer to a call */ |
52 | #define IPC_CALL_ANSWERED (1 << 0) |
52 | #define IPC_CALL_ANSWERED (1 << 0) |
53 | /** This call will not be freed on error */ |
53 | /** This call will not be freed on error */ |
54 | #define IPC_CALL_STATIC_ALLOC (1 << 1) |
54 | #define IPC_CALL_STATIC_ALLOC (1 << 1) |
55 | /** Answer will not be passed to userspace, will be discarded */ |
55 | /** Answer will not be passed to userspace, will be discarded */ |
56 | #define IPC_CALL_DISCARD_ANSWER (1 << 2) |
56 | #define IPC_CALL_DISCARD_ANSWER (1 << 2) |
57 | /** Call was forwarded */ |
57 | /** Call was forwarded */ |
58 | #define IPC_CALL_FORWARDED (1 << 3) |
58 | #define IPC_CALL_FORWARDED (1 << 3) |
59 | /** Identify connect_me_to answer */ |
59 | /** Identify connect_me_to answer */ |
60 | #define IPC_CALL_CONN_ME_TO (1 << 4) |
60 | #define IPC_CALL_CONN_ME_TO (1 << 4) |
61 | /** Interrupt notification */ |
61 | /** Interrupt notification */ |
62 | #define IPC_CALL_NOTIF (1 << 5) |
62 | #define IPC_CALL_NOTIF (1 << 5) |
63 | 63 | ||
64 | /* |
64 | /* |
65 | * Bits used in call hashes. |
65 | * Bits used in call hashes. |
66 | * The addresses are aligned at least to 4 that is why we can use the 2 least |
66 | * The addresses are aligned at least to 4 that is why we can use the 2 least |
67 | * significant bits of the call address. |
67 | * significant bits of the call address. |
68 | */ |
68 | */ |
69 | /** Type of this call is 'answer' */ |
69 | /** Type of this call is 'answer' */ |
70 | #define IPC_CALLID_ANSWERED 1 |
70 | #define IPC_CALLID_ANSWERED 1 |
71 | /** Type of this call is 'notification' */ |
71 | /** Type of this call is 'notification' */ |
72 | #define IPC_CALLID_NOTIFICATION 2 |
72 | #define IPC_CALLID_NOTIFICATION 2 |
73 | 73 | ||
74 | /* Return values from sys_ipc_call_async(). */ |
74 | /* Return values from sys_ipc_call_async(). */ |
75 | #define IPC_CALLRET_FATAL -1 |
75 | #define IPC_CALLRET_FATAL -1 |
76 | #define IPC_CALLRET_TEMPORARY -2 |
76 | #define IPC_CALLRET_TEMPORARY -2 |
77 | 77 | ||
78 | 78 | ||
79 | /* Macros for manipulating calling data */ |
79 | /* Macros for manipulating calling data */ |
80 | #define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval)) |
80 | #define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval)) |
81 | #define IPC_SET_METHOD(data, val) ((data).args[0] = (val)) |
81 | #define IPC_SET_METHOD(data, val) ((data).args[0] = (val)) |
82 | #define IPC_SET_ARG1(data, val) ((data).args[1] = (val)) |
82 | #define IPC_SET_ARG1(data, val) ((data).args[1] = (val)) |
83 | #define IPC_SET_ARG2(data, val) ((data).args[2] = (val)) |
83 | #define IPC_SET_ARG2(data, val) ((data).args[2] = (val)) |
84 | #define IPC_SET_ARG3(data, val) ((data).args[3] = (val)) |
84 | #define IPC_SET_ARG3(data, val) ((data).args[3] = (val)) |
85 | #define IPC_SET_ARG4(data, val) ((data).args[4] = (val)) |
85 | #define IPC_SET_ARG4(data, val) ((data).args[4] = (val)) |
86 | #define IPC_SET_ARG5(data, val) ((data).args[5] = (val)) |
86 | #define IPC_SET_ARG5(data, val) ((data).args[5] = (val)) |
87 | 87 | ||
88 | #define IPC_GET_METHOD(data) ((data).args[0]) |
88 | #define IPC_GET_METHOD(data) ((data).args[0]) |
89 | #define IPC_GET_RETVAL(data) ((data).args[0]) |
89 | #define IPC_GET_RETVAL(data) ((data).args[0]) |
90 | 90 | ||
91 | #define IPC_GET_ARG1(data) ((data).args[1]) |
91 | #define IPC_GET_ARG1(data) ((data).args[1]) |
92 | #define IPC_GET_ARG2(data) ((data).args[2]) |
92 | #define IPC_GET_ARG2(data) ((data).args[2]) |
93 | #define IPC_GET_ARG3(data) ((data).args[3]) |
93 | #define IPC_GET_ARG3(data) ((data).args[3]) |
94 | #define IPC_GET_ARG4(data) ((data).args[4]) |
94 | #define IPC_GET_ARG4(data) ((data).args[4]) |
95 | #define IPC_GET_ARG5(data) ((data).args[5]) |
95 | #define IPC_GET_ARG5(data) ((data).args[5]) |
96 | 96 | ||
97 | /* Well known phone descriptors */ |
97 | /* Well known phone descriptors */ |
98 | #define PHONE_NS 0 |
98 | #define PHONE_NS 0 |
99 | 99 | ||
100 | /* Forwarding flags. */ |
100 | /* Forwarding flags. */ |
101 | #define IPC_FF_NONE 0 |
101 | #define IPC_FF_NONE 0 |
- | 102 | /** |
|
- | 103 | * The call will be routed as though it was initially sent via the phone used to |
|
- | 104 | * forward it. This feature is intended to support the situation in which the |
|
- | 105 | * forwarded call needs to be handled by the same connection fibril as any other |
|
- | 106 | * calls that were initially sent by the forwarder to the same destination. This |
|
- | 107 | * flag has no imapct on routing replies. |
|
- | 108 | */ |
|
- | 109 | #define IPC_FF_ROUTE_FROM_ME (1 << 0) |
|
102 | 110 | ||
103 | /* System-specific methods - only through special syscalls |
111 | /* System-specific methods - only through special syscalls |
104 | * These methods have special behaviour |
112 | * These methods have special behaviour |
105 | */ |
113 | */ |
106 | /** Protocol for CONNECT - TO - ME |
114 | /** Protocol for CONNECT - TO - ME |
107 | * |
115 | * |
108 | * Calling process asks the callee to create a callback connection, |
116 | * Calling process asks the callee to create a callback connection, |
109 | * so that it can start initiating new messages. |
117 | * so that it can start initiating new messages. |
110 | * |
118 | * |
111 | * The protocol for negotiating is: |
119 | * The protocol for negotiating is: |
112 | * - sys_connect_to_me - sends a message IPC_M_CONNECT_TO_ME |
120 | * - sys_connect_to_me - sends a message IPC_M_CONNECT_TO_ME |
113 | * - sys_wait_for_call - upon receipt tries to allocate new phone |
121 | * - sys_wait_for_call - upon receipt tries to allocate new phone |
114 | * - if it fails, responds with ELIMIT |
122 | * - if it fails, responds with ELIMIT |
115 | * - passes call to userspace. If userspace |
123 | * - passes call to userspace. If userspace |
116 | * responds with error, phone is deallocated and |
124 | * responds with error, phone is deallocated and |
117 | * error is sent back to caller. Otherwise |
125 | * error is sent back to caller. Otherwise |
118 | * the call is accepted and the response is sent back. |
126 | * the call is accepted and the response is sent back. |
119 | * - the allocated phoneid is passed to userspace |
127 | * - the allocated phoneid is passed to userspace |
120 | * (on the receiving side) as ARG3 of the call. |
128 | * (on the receiving side) as ARG3 of the call. |
121 | * - the caller obtains taskid of the called thread |
129 | * - the caller obtains taskid of the called thread |
122 | */ |
130 | */ |
123 | #define IPC_M_CONNECT_TO_ME 1 |
131 | #define IPC_M_CONNECT_TO_ME 1 |
124 | /** Protocol for CONNECT - ME - TO |
132 | /** Protocol for CONNECT - ME - TO |
125 | * |
133 | * |
126 | * Calling process asks the callee to create for him a new connection. |
134 | * Calling process asks the callee to create for him a new connection. |
127 | * E.g. the caller wants a name server to connect him to print server. |
135 | * E.g. the caller wants a name server to connect him to print server. |
128 | * |
136 | * |
129 | * The protocol for negotiating is: |
137 | * The protocol for negotiating is: |
130 | * - sys_connect_me_to - send a synchronous message to name server |
138 | * - sys_connect_me_to - send a synchronous message to name server |
131 | * indicating that it wants to be connected to some |
139 | * indicating that it wants to be connected to some |
132 | * service |
140 | * service |
133 | * - arg1/2 are user specified, arg3 contains |
141 | * - arg1/2 are user specified, arg3 contains |
134 | * address of the phone that should be connected |
142 | * address of the phone that should be connected |
135 | * (TODO: it leaks to userspace) |
143 | * (TODO: it leaks to userspace) |
136 | * recipient - if ipc_answer == 0, then accept connection |
144 | * recipient - if ipc_answer == 0, then accept connection |
137 | * - otherwise connection refused |
145 | * - otherwise connection refused |
138 | * - recepient may forward message. Forwarding |
146 | * - recepient may forward message. Forwarding |
139 | * system message |
147 | * system message |
140 | * |
148 | * |
141 | */ |
149 | */ |
142 | #define IPC_M_CONNECT_ME_TO 2 |
150 | #define IPC_M_CONNECT_ME_TO 2 |
143 | /** This message is sent to answerbox when the phone |
151 | /** This message is sent to answerbox when the phone |
144 | * is hung up |
152 | * is hung up |
145 | */ |
153 | */ |
146 | #define IPC_M_PHONE_HUNGUP 3 |
154 | #define IPC_M_PHONE_HUNGUP 3 |
147 | 155 | ||
148 | /** Send as_area over IPC. |
156 | /** Send as_area over IPC. |
149 | * - ARG1 - source as_area base address |
157 | * - ARG1 - source as_area base address |
150 | * - ARG2 - size of source as_area (filled automatically by kernel) |
158 | * - ARG2 - size of source as_area (filled automatically by kernel) |
151 | * - ARG3 - flags of the as_area being sent |
159 | * - ARG3 - flags of the as_area being sent |
152 | * |
160 | * |
153 | * on answer, the recipient must set: |
161 | * on answer, the recipient must set: |
154 | * - ARG1 - dst as_area base adress |
162 | * - ARG1 - dst as_area base adress |
155 | */ |
163 | */ |
156 | #define IPC_M_AS_AREA_SEND 4 |
164 | #define IPC_M_AS_AREA_SEND 4 |
157 | 165 | ||
158 | /** Receive as_area over IPC. |
166 | /** Receive as_area over IPC. |
159 | * - ARG1 - destination as_area base address |
167 | * - ARG1 - destination as_area base address |
160 | * - ARG2 - destination as_area size |
168 | * - ARG2 - destination as_area size |
161 | * - ARG3 - user defined argument |
169 | * - ARG3 - user defined argument |
162 | * |
170 | * |
163 | * on answer, the recipient must set: |
171 | * on answer, the recipient must set: |
164 | * |
172 | * |
165 | * - ARG1 - source as_area base address |
173 | * - ARG1 - source as_area base address |
166 | * - ARG2 - flags that will be used for sharing |
174 | * - ARG2 - flags that will be used for sharing |
167 | */ |
175 | */ |
168 | #define IPC_M_AS_AREA_RECV 5 |
176 | #define IPC_M_AS_AREA_RECV 5 |
169 | 177 | ||
170 | /** Send data to another address space over IPC. |
178 | /** Send data to another address space over IPC. |
171 | * - ARG1 - destination address space virtual address, may be overriden by the |
179 | * - ARG1 - destination address space virtual address, may be overriden by the |
172 | * recipient |
180 | * recipient |
173 | * - ARG2 - source address space virtual address |
181 | * - ARG2 - source address space virtual address |
174 | * - ARG3 - size of data to be copied, may be overriden by the recipient |
182 | * - ARG3 - size of data to be copied, may be overriden by the recipient |
175 | * |
183 | * |
176 | * on answer, the recipient must set: |
184 | * on answer, the recipient must set: |
177 | * |
185 | * |
178 | * - ARG1 - final destination address space virtual address |
186 | * - ARG1 - final destination address space virtual address |
179 | * - ARG3 - final size of data to be copied |
187 | * - ARG3 - final size of data to be copied |
180 | */ |
188 | */ |
181 | #define IPC_M_DATA_SEND 6 |
189 | #define IPC_M_DATA_SEND 6 |
182 | 190 | ||
183 | /* Well-known methods */ |
191 | /* Well-known methods */ |
184 | #define IPC_M_LAST_SYSTEM 511 |
192 | #define IPC_M_LAST_SYSTEM 511 |
185 | #define IPC_M_PING 512 |
193 | #define IPC_M_PING 512 |
186 | /* User methods */ |
194 | /* User methods */ |
187 | #define IPC_FIRST_USER_METHOD 1024 |
195 | #define IPC_FIRST_USER_METHOD 1024 |
188 | 196 | ||
189 | #ifdef KERNEL |
197 | #ifdef KERNEL |
190 | 198 | ||
191 | #define IPC_MAX_PHONES 16 |
199 | #define IPC_MAX_PHONES 16 |
192 | 200 | ||
193 | #include <synch/waitq.h> |
201 | #include <synch/waitq.h> |
194 | 202 | ||
195 | struct answerbox; |
203 | struct answerbox; |
196 | struct task; |
204 | struct task; |
197 | 205 | ||
198 | typedef enum { |
206 | typedef enum { |
199 | /** Phone is free and can be allocated */ |
207 | /** Phone is free and can be allocated */ |
200 | IPC_PHONE_FREE = 0, |
208 | IPC_PHONE_FREE = 0, |
201 | /** Phone is connecting somewhere */ |
209 | /** Phone is connecting somewhere */ |
202 | IPC_PHONE_CONNECTING, |
210 | IPC_PHONE_CONNECTING, |
203 | /** Phone is connected */ |
211 | /** Phone is connected */ |
204 | IPC_PHONE_CONNECTED, |
212 | IPC_PHONE_CONNECTED, |
205 | /** Phone is hung up, waiting for answers to come */ |
213 | /** Phone is hung up, waiting for answers to come */ |
206 | IPC_PHONE_HUNGUP, |
214 | IPC_PHONE_HUNGUP, |
207 | /** Phone was hungup from server */ |
215 | /** Phone was hungup from server */ |
208 | IPC_PHONE_SLAMMED |
216 | IPC_PHONE_SLAMMED |
209 | } ipc_phone_state_t; |
217 | } ipc_phone_state_t; |
210 | 218 | ||
211 | /** Structure identifying phone (in TASK structure) */ |
219 | /** Structure identifying phone (in TASK structure) */ |
212 | typedef struct { |
220 | typedef struct { |
213 | SPINLOCK_DECLARE(lock); |
221 | SPINLOCK_DECLARE(lock); |
214 | link_t link; |
222 | link_t link; |
215 | struct answerbox *callee; |
223 | struct answerbox *callee; |
216 | ipc_phone_state_t state; |
224 | ipc_phone_state_t state; |
217 | atomic_t active_calls; |
225 | atomic_t active_calls; |
218 | } phone_t; |
226 | } phone_t; |
219 | 227 | ||
220 | typedef struct answerbox { |
228 | typedef struct answerbox { |
221 | SPINLOCK_DECLARE(lock); |
229 | SPINLOCK_DECLARE(lock); |
222 | 230 | ||
223 | struct task *task; |
231 | struct task *task; |
224 | 232 | ||
225 | waitq_t wq; |
233 | waitq_t wq; |
226 | 234 | ||
227 | /** Phones connected to this answerbox. */ |
235 | /** Phones connected to this answerbox. */ |
228 | link_t connected_phones; |
236 | link_t connected_phones; |
229 | /** Received calls. */ |
237 | /** Received calls. */ |
230 | link_t calls; |
238 | link_t calls; |
231 | link_t dispatched_calls; /* Should be hash table in the future */ |
239 | link_t dispatched_calls; /* Should be hash table in the future */ |
232 | 240 | ||
233 | /** Answered calls. */ |
241 | /** Answered calls. */ |
234 | link_t answers; |
242 | link_t answers; |
235 | 243 | ||
236 | SPINLOCK_DECLARE(irq_lock); |
244 | SPINLOCK_DECLARE(irq_lock); |
237 | /** Notifications from IRQ handlers. */ |
245 | /** Notifications from IRQ handlers. */ |
238 | link_t irq_notifs; |
246 | link_t irq_notifs; |
239 | /** IRQs with notifications to this answerbox. */ |
247 | /** IRQs with notifications to this answerbox. */ |
240 | link_t irq_head; |
248 | link_t irq_head; |
241 | } answerbox_t; |
249 | } answerbox_t; |
242 | 250 | ||
243 | typedef struct { |
251 | typedef struct { |
244 | unative_t args[IPC_CALL_LEN]; |
252 | unative_t args[IPC_CALL_LEN]; |
245 | phone_t *phone; |
253 | phone_t *phone; |
246 | } ipc_data_t; |
254 | } ipc_data_t; |
247 | 255 | ||
248 | typedef struct { |
256 | typedef struct { |
249 | link_t link; |
257 | link_t link; |
250 | 258 | ||
251 | int flags; |
259 | int flags; |
252 | 260 | ||
253 | /** Identification of the caller. */ |
261 | /** Identification of the caller. */ |
254 | struct task *sender; |
262 | struct task *sender; |
255 | /** The caller box is different from sender->answerbox for synchronous |
263 | /** The caller box is different from sender->answerbox for synchronous |
256 | * calls. */ |
264 | * calls. */ |
257 | answerbox_t *callerbox; |
265 | answerbox_t *callerbox; |
258 | 266 | ||
259 | /** Private data to internal IPC. */ |
267 | /** Private data to internal IPC. */ |
260 | unative_t priv; |
268 | unative_t priv; |
261 | 269 | ||
262 | /** Data passed from/to userspace. */ |
270 | /** Data passed from/to userspace. */ |
263 | ipc_data_t data; |
271 | ipc_data_t data; |
264 | 272 | ||
265 | /** Buffer for IPC_M_DATA_SEND. */ |
273 | /** Buffer for IPC_M_DATA_SEND. */ |
266 | uint8_t *buffer; |
274 | uint8_t *buffer; |
267 | } call_t; |
275 | } call_t; |
268 | 276 | ||
269 | extern void ipc_init(void); |
277 | extern void ipc_init(void); |
270 | extern call_t * ipc_wait_for_call(answerbox_t *box, uint32_t usec, int flags); |
278 | extern call_t * ipc_wait_for_call(answerbox_t *box, uint32_t usec, int flags); |
271 | extern void ipc_answer(answerbox_t *box, call_t *request); |
279 | extern void ipc_answer(answerbox_t *box, call_t *request); |
272 | extern int ipc_call(phone_t *phone, call_t *call); |
280 | extern int ipc_call(phone_t *phone, call_t *call); |
273 | extern void ipc_call_sync(phone_t *phone, call_t *request); |
281 | extern void ipc_call_sync(phone_t *phone, call_t *request); |
274 | extern void ipc_phone_init(phone_t *phone); |
282 | extern void ipc_phone_init(phone_t *phone); |
275 | extern void ipc_phone_connect(phone_t *phone, answerbox_t *box); |
283 | extern void ipc_phone_connect(phone_t *phone, answerbox_t *box); |
276 | extern void ipc_call_free(call_t *call); |
284 | extern void ipc_call_free(call_t *call); |
277 | extern call_t * ipc_call_alloc(int flags); |
285 | extern call_t * ipc_call_alloc(int flags); |
278 | extern void ipc_answerbox_init(answerbox_t *box); |
286 | extern void ipc_answerbox_init(answerbox_t *box); |
279 | extern void ipc_call_static_init(call_t *call); |
287 | extern void ipc_call_static_init(call_t *call); |
280 | extern void task_print_list(void); |
288 | extern void task_print_list(void); |
281 | extern int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox, |
289 | extern int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox, |
282 | int mode); |
290 | int mode); |
283 | extern void ipc_cleanup(void); |
291 | extern void ipc_cleanup(void); |
284 | extern int ipc_phone_hangup(phone_t *phone); |
292 | extern int ipc_phone_hangup(phone_t *phone); |
285 | extern void ipc_backsend_err(phone_t *phone, call_t *call, unative_t err); |
293 | extern void ipc_backsend_err(phone_t *phone, call_t *call, unative_t err); |
286 | extern void ipc_print_task(task_id_t taskid); |
294 | extern void ipc_print_task(task_id_t taskid); |
287 | 295 | ||
288 | extern answerbox_t *ipc_phone_0; |
296 | extern answerbox_t *ipc_phone_0; |
289 | 297 | ||
290 | #endif |
298 | #endif |
291 | 299 | ||
292 | #endif |
300 | #endif |
293 | 301 | ||
294 | /** @} |
302 | /** @} |
295 | */ |
303 | */ |
296 | 304 |