| 1 | /*
|
|---|
| 2 | * Copyright (c) 2007 Jan Hudecek
|
|---|
| 3 | * Copyright (c) 2008 Martin Decky
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | *
|
|---|
| 10 | * - Redistributions of source code must retain the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 12 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 13 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 14 | * documentation and/or other materials provided with the distribution.
|
|---|
| 15 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 16 | * derived from this software without specific prior written permission.
|
|---|
| 17 | *
|
|---|
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | /** @addtogroup genericproc
|
|---|
| 31 | * @{
|
|---|
| 32 | */
|
|---|
| 33 | /** @file tasklet.c
|
|---|
| 34 | * @brief Tasklet implementation
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #include <proc/tasklet.h>
|
|---|
| 38 | #include <synch/spinlock.h>
|
|---|
| 39 | #include <mm/slab.h>
|
|---|
| 40 | #include <config.h>
|
|---|
| 41 |
|
|---|
| 42 | /** Spinlock protecting list of tasklets */
|
|---|
| 43 | SPINLOCK_INITIALIZE(tasklet_lock);
|
|---|
| 44 |
|
|---|
| 45 | /** Array of tasklet lists for every CPU */
|
|---|
| 46 | tasklet_descriptor_t **tasklet_list;
|
|---|
| 47 |
|
|---|
| 48 | void tasklet_init(void)
|
|---|
| 49 | {
|
|---|
| 50 | unsigned int i;
|
|---|
| 51 |
|
|---|
| 52 | tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0);
|
|---|
| 53 | if (!tasklet_list)
|
|---|
| 54 | panic("Error initializing tasklets.");
|
|---|
| 55 |
|
|---|
| 56 | for (i = 0; i < config.cpu_count; i++)
|
|---|
| 57 | tasklet_list[i] = NULL;
|
|---|
| 58 |
|
|---|
| 59 | spinlock_initialize(&tasklet_lock, "tasklet_lock");
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | /** @}
|
|---|
| 64 | */
|
|---|
