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Diffstat (limited to 'nuttx/sched/wd_initialize.c')
-rw-r--r-- | nuttx/sched/wd_initialize.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/nuttx/sched/wd_initialize.c b/nuttx/sched/wd_initialize.c deleted file mode 100644 index db7aba502..000000000 --- a/nuttx/sched/wd_initialize.c +++ /dev/null @@ -1,135 +0,0 @@ -/************************************************************************ - * sched/wd_initialize.c - * - * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ************************************************************************/ - -/************************************************************************ - * Included Files - ************************************************************************/ - -#include <nuttx/config.h> - -#include <queue.h> -#include <nuttx/kmalloc.h> - -#include "os_internal.h" -#include "wd_internal.h" - -/************************************************************************ - * Definitions - ************************************************************************/ - -/************************************************************************ - * Private Type Declarations - ************************************************************************/ - -/************************************************************************ - * Global Variables - ************************************************************************/ - -/* The g_wdfreelist data structure is a singly linked list of watchdogs - * available to the system for delayed function use. - */ - -sq_queue_t g_wdfreelist; - -/* g_wdpool is a pointer to a list of pre-allocated watchdogs. The number - * of watchdogs in the pool is a configuration item. - */ - -FAR wdog_t *g_wdpool; - -/* The g_wdactivelist data structure is a singly linked list ordered by - * watchdog expiration time. When watchdog timers expire,the functions on - * this linked list are removed and the function is called. - */ - -sq_queue_t g_wdactivelist; - -/************************************************************************ - * Private Variables - ************************************************************************/ - -/************************************************************************ - * Private Functions - ************************************************************************/ - -/************************************************************************ - * Public Functions - ************************************************************************/ - -/************************************************************************ - * Name: wd_initialize - * - * Description: - * This function initalized the watchdog data structures - * - * Parameters: - * None - * - * Return Value: - * None - * - * Assumptions: - * This function must be called early in the initialization sequence - * before the timer interrupt is attached and before any watchdog - * services are used. - * - ************************************************************************/ - -void wd_initialize(void) -{ - /* Initialize the free watchdog list */ - - sq_init(&g_wdfreelist); - - /* The g_wdfreelist must be loaded at initialization time to hold the - * configured number of watchdogs. - */ - - g_wdpool = (FAR wdog_t*)kmalloc(sizeof(wdog_t) * CONFIG_PREALLOC_WDOGS); - if (g_wdpool) - { - FAR wdog_t *wdog = g_wdpool; - int i; - - for (i = 0; i < CONFIG_PREALLOC_WDOGS; i++) - { - sq_addlast((FAR sq_entry_t*)wdog++, &g_wdfreelist); - } - } - - /* The g_wdactivelist queue must be reset at initialization time. */ - - sq_init(&g_wdactivelist); -} |