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| Rev | Author | Line No. | Line |
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| 2746 | decky | 1 | /* |
| 2 | * Copyright (c) 2007 Jan Hudecek |
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| 3 | * Copyright (c) 2008 Martin Decky |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | /** @addtogroup genericproc |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file tasklet.c |
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| 34 | * @brief Tasklet implementation |
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| 35 | */ |
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| 36 | |||
| 37 | #include <proc/tasklet.h> |
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| 38 | #include <synch/spinlock.h> |
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| 39 | #include <mm/slab.h> |
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| 40 | |||
| 41 | /** Spinlock protecting list of tasklets */ |
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| 42 | SPINLOCK_INITIALIZE(tasklet_lock); |
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| 43 | |||
| 44 | /** Array of tasklet lists for every CPU */ |
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| 45 | tasklet_descriptor_t **tasklet_list; |
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| 46 | |||
| 47 | void tasklet_init(void) |
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| 48 | { |
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| 49 | unsigned int i; |
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| 50 | |||
| 51 | tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0); |
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| 52 | if (!tasklet_list) |
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| 53 | panic("Error initializing tasklets"); |
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| 54 | |||
| 55 | for (i = 0; i < config.cpu_count; i++) |
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| 56 | tasklet_list[i] = NULL; |
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| 57 | |||
| 58 | spinlock_initialize(&tasklet_lock, "tasklet_lock"); |
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| 59 | } |
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| 60 | |||
| 61 | |||
| 62 | /** @} |
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| 63 | */ |