1 files changed, 121 insertions, 0 deletions
diff --git a/nuttx/sched/wd_internal.h b/nuttx/sched/wd_internal.h
new file mode 100644
index 000000000..9198387cc
--- /dev/null
+++ b/nuttx/sched/wd_internal.h
@@ -0,0 +1,121 @@
+/************************************************************
+ * wd_internal.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 Gregory Nutt 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.
+ *
+ ************************************************************/
+
+#ifndef __WD_INTERNAL_H
+#define __WD_INTERNAL_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <sys/types.h>
+#include <wdog.h>
+#include <nuttx/compiler.h>
+
+/************************************************************
+ * Compilations Switches
+ ************************************************************/
+
+/************************************************************
+ * Definitions
+ ************************************************************/
+
+/************************************************************
+ * Public Type Declarations
+ ************************************************************/
+
+/* This is the watchdog structure.  The WDOG_ID is a pointer to
+ * a watchdog structure.
+ */
+
+struct wdog_s
+{
+  struct wdog_s *next;       /* Support for singly linked lists. */
+  wdentry_t      func;       /* Function to execute when delay expires */
+  sint32         lag;        /* Timer associated with the delay */
+  uint32         parm[4];    /* Four parameters passed to func */
+  boolean        active;     /* TRUE if the watchdog is actively timing */
+};
+
+typedef struct wdog_s wdog_t;
+typedef struct wdog_s *WDOG_ID;
+
+/************************************************************
+ * Public Variables
+ ************************************************************/
+
+/* The g_wdfreelist data structure is a singly linked list
+ * of watchdogs available to the system for delayed function
+ * use.
+ */
+
+extern 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.
+ */
+
+extern 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.
+ */
+
+extern sq_queue_t g_wdactivelist;
+
+/************************************************************
+ * Public Function Prototypes
+ ************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+EXTERN void weak_function wd_initialize(void);
+EXTERN void weak_function wd_timer(void);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __WD_INTERNAL_H */
+