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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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 __TASK_H__ |
29 | #ifndef __TASK_H__ |
30 | #define __TASK_H__ |
30 | #define __TASK_H__ |
31 | 31 | ||
32 | #include <typedefs.h> |
32 | #include <typedefs.h> |
33 | #include <synch/spinlock.h> |
33 | #include <synch/spinlock.h> |
34 | #include <adt/btree.h> |
34 | #include <adt/btree.h> |
35 | #include <adt/list.h> |
35 | #include <adt/list.h> |
36 | #include <ipc/ipc.h> |
36 | #include <ipc/ipc.h> |
- | 37 | #include <security/cap.h> |
|
37 | 38 | ||
38 | /** Task structure. */ |
39 | /** Task structure. */ |
39 | struct task { |
40 | struct task { |
40 | SPINLOCK_DECLARE(lock); |
41 | SPINLOCK_DECLARE(lock); |
41 | char *name; |
42 | char *name; |
42 | link_t th_head; /**< List of threads contained in this task. */ |
43 | link_t th_head; /**< List of threads contained in this task. */ |
43 | as_t *as; /**< Address space. */ |
44 | as_t *as; /**< Address space. */ |
44 | task_id_t taskid; /**< Unique identity of task */ |
45 | task_id_t taskid; /**< Unique identity of task */ |
45 | 46 | ||
- | 47 | cap_t capabilities; /**< Task capabilities. */ |
|
- | 48 | ||
46 | /* IPC stuff */ |
49 | /* IPC stuff */ |
47 | answerbox_t answerbox; /**< Communication endpoint */ |
50 | answerbox_t answerbox; /**< Communication endpoint */ |
48 | phone_t phones[IPC_MAX_PHONES]; |
51 | phone_t phones[IPC_MAX_PHONES]; |
49 | atomic_t active_calls; /**< Active asynchronous messages */ |
52 | atomic_t active_calls; /**< Active asynchronous messages */ |
50 | }; |
53 | }; |
51 | 54 | ||
52 | extern spinlock_t tasks_lock; |
55 | extern spinlock_t tasks_lock; |
53 | extern btree_t tasks_btree; |
56 | extern btree_t tasks_btree; |
54 | 57 | ||
55 | extern void task_init(void); |
58 | extern void task_init(void); |
56 | extern task_t *task_create(as_t *as, char *name); |
59 | extern task_t *task_create(as_t *as, char *name); |
57 | extern task_t *task_run_program(void *program_addr, char *name); |
60 | extern task_t *task_run_program(void *program_addr, char *name); |
58 | 61 | ||
59 | #endif |
62 | #endif |
60 | 63 |