0,0 → 1,63 |
/* |
* Copyright (c) 2007 Jan Hudecek |
* Copyright (c) 2008 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file tasklet.c |
* @brief Tasklet implementation |
*/ |
|
#include <proc/tasklet.h> |
#include <synch/spinlock.h> |
#include <mm/slab.h> |
|
/** Spinlock protecting list of tasklets */ |
SPINLOCK_INITIALIZE(tasklet_lock); |
|
/** Array of tasklet lists for every CPU */ |
tasklet_descriptor_t **tasklet_list; |
|
void tasklet_init(void) |
{ |
unsigned int i; |
|
tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0); |
if (!tasklet_list) |
panic("Error initializing tasklets"); |
|
for (i = 0; i < config.cpu_count; i++) |
tasklet_list[i] = NULL; |
|
spinlock_initialize(&tasklet_lock, "tasklet_lock"); |
} |
|
|
/** @} |
*/ |