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| 1 | jermar | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
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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 | |||
| 29 | #ifndef __TASK_H__ |
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| 30 | #define __TASK_H__ |
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| 31 | |||
| 32 | #include <typedefs.h> |
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| 33 | #include <synch/spinlock.h> |
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| 1159 | jermar | 34 | #include <adt/btree.h> |
| 788 | jermar | 35 | #include <adt/list.h> |
| 955 | palkovsky | 36 | #include <ipc/ipc.h> |
| 1 | jermar | 37 | |
| 703 | jermar | 38 | /** Task structure. */ |
| 1 | jermar | 39 | struct task { |
| 623 | jermar | 40 | SPINLOCK_DECLARE(lock); |
| 1062 | jermar | 41 | char *name; |
| 410 | jermar | 42 | link_t th_head; /**< List of threads contained in this task. */ |
| 703 | jermar | 43 | as_t *as; /**< Address space. */ |
| 1159 | jermar | 44 | task_id_t taskid; /**< Unique identity of task */ |
| 1005 | palkovsky | 45 | |
| 998 | palkovsky | 46 | /* IPC stuff */ |
| 955 | palkovsky | 47 | answerbox_t answerbox; /**< Communication endpoint */ |
| 48 | phone_t phones[IPC_MAX_PHONES]; |
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| 998 | palkovsky | 49 | atomic_t active_calls; /**< Active asynchronous messages */ |
| 1 | jermar | 50 | }; |
| 51 | |||
| 52 | extern spinlock_t tasks_lock; |
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| 1159 | jermar | 53 | extern btree_t tasks_btree; |
| 1 | jermar | 54 | |
| 55 | extern void task_init(void); |
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| 1062 | jermar | 56 | extern task_t *task_create(as_t *as, char *name); |
| 57 | extern task_t *task_run_program(void *program_addr, char *name); |
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| 1 | jermar | 58 | |
| 59 | #endif |