vxWorks提供了一個用戶接口usrAppInit。我們可以根據(jù)需求來實現(xiàn)或者改寫這個函數(shù)，對應的usrAppInit.c在已創(chuàng)建的VIP目錄下。VIP編譯的過程中這個函數(shù)將被編譯進內(nèi)核鏡像，在系統(tǒng)啟動后將會自動執(zhí)行這個函數(shù)。

函數(shù)原始定義如下：

/* usrAppInit.c - stub application initialization routine */

/* Copyright (c) 1998,2006 Wind River Systems, Inc.

*

* The right to copy, distribute, modify or otherwise make use

* of this software may be licensed only pursuant to the terms

* of an applicable Wind River license agreement.

*/

/*

modification history

--------------------

01b,16mar06,jmt Add header file to find USER_APPL_INIT define

01a,02jun98,ms written

*/

/*

DESCRIPTION

Initialize user application code.

*/

#include

#if defined(PRJ_BUILD)

#include prjParams.h

#endif /* defined PRJ_BUILD */

/******************************************************************************

*

* usrAppInit - initialize the users application

*/

void usrAppInit (void)

{

#ifdef USER_APPL_INIT

USER_APPL_INIT; /* for backwards compatibility */

#endif

/* add application specific code here */

}