From dcb97646477b0a5a6e62245c6711d667e84658b7 Mon Sep 17 00:00:00 2001
From: corvus <corvus>
Date: Mon, 31 Jan 2011 17:39:23 +0000
Subject: [PATCH] added include file for auto-linking to sim_posix

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2639 ebee16cc-31ac-478f-84a7-5cbb03baadba
---
 flight/PiOS.posix/inc/pios_initcall.h | 65 +++++++++++++++++++++++++++
 flight/PiOS.posix/pios.h              |  5 ++-
 2 files changed, 69 insertions(+), 1 deletion(-)
 create mode 100644 flight/PiOS.posix/inc/pios_initcall.h

diff --git a/flight/PiOS.posix/inc/pios_initcall.h b/flight/PiOS.posix/inc/pios_initcall.h
new file mode 100644
index 000000000..7edad6283
--- /dev/null
+++ b/flight/PiOS.posix/inc/pios_initcall.h
@@ -0,0 +1,65 @@
+/**
+ ******************************************************************************
+ * @addtogroup PIOS PIOS Initcall infrastructure
+ * @{
+ * @addtogroup   PIOS_INITCALL Generic Initcall Macros
+ * @brief Initcall Macros
+ * @{
+ *
+ * @file       pios_initcall.h  
+ * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2011.
+ * @brief      Initcall header
+ * @see        The GNU Public License (GPL) Version 3
+ *
+ *****************************************************************************/
+/* 
+ * This program is free software; you can redistribute it and/or modify 
+ * it under the terms of the GNU General Public License as published by 
+ * the Free Software Foundation; either version 3 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
+ * for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along 
+ * with this program; if not, write to the Free Software Foundation, Inc., 
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PIOS_INITCALL_H
+#define PIOS_INITCALL_H
+
+/* 
+ * This implementation is heavily based on the Linux Kernel initcall
+ * infrastructure:
+ *   http://lxr.linux.no/#linux/include/linux/init.h
+ *   http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=include/linux/init.h
+ */
+
+/*
+ * Used for initialization calls..
+ */
+typedef int32_t (*initcall_t)(void);
+
+/* initcalls are now grouped by functionality into separate 
+ * subsections. Ordering inside the subsections is determined
+ * by link order.
+ *
+ * The `id' arg to __define_initcall() is needed so that multiple initcalls
+ * can point at the same handler without causing duplicate-symbol build errors.
+ */
+
+#define __define_initcall(level,fn,id) \
+	static initcall_t __initcall_##fn##id __attribute__((__used__)) \
+	__attribute__((__section__(".initcall" level ".init"))) = fn
+
+#define uavobj_initcall(fn)		__define_initcall("uavobj",fn,1)
+
+#endif	/* PIOS_INITCALL_H */
+
+/**
+ * @}
+ * @}
+ */
diff --git a/flight/PiOS.posix/pios.h b/flight/PiOS.posix/pios.h
index b014b938b..679296891 100644
--- a/flight/PiOS.posix/pios.h
+++ b/flight/PiOS.posix/pios.h
@@ -48,6 +48,9 @@
 #include <math.h>
 #include <unistd.h>
 
+/* Generic initcall infrastructure */
+#include "pios_initcall.h"
+
 /* PIOS Board Specific Device Configuration */
 #include "pios_board_posix.h"
 
@@ -59,7 +62,7 @@
 #include <pios_udp.h>
 #include <pios_com.h>
 #include <pios_servo.h>
-#include <pios_wdg.h>
+#include <pios_wdg.h>
 
 #define NELEMENTS(x) (sizeof(x) / sizeof(*(x)))