150 lines
4.1 KiB
C
150 lines
4.1 KiB
C
/*
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******************************************************************************
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* INTERPEAK SOURCE FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_usr_init.c,v $ $Revision: 1.7.172.2 $
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* $Source: /home/interpeak/CVSRoot/ipcom/src/ipcom_usr_init.c,v $
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* $Author: xjiang1 $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Lennart Bang <lob@interpeak.se>
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******************************************************************************
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*/
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#ifdef IPCOM_KERNEL
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#error USR_INIT_BADLY_COMPILED
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#endif
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#include "ipcom_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#define IPCOM_USE_CLIB_PROTO
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#include "ipcom_type.h"
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#include "ipcom_cstyle.h"
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#include "ipcom_clib.h"
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#include "ipcom_err.h"
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#include "ipcom_os.h"
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 6 EXTERN PROTOTYPES
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****************************************************************************
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*/
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IP_EXTERN Ipcom_mutex ipcom_once_mutex;
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/*
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****************************************************************************
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* 7 LOCAL PROTOTYPES
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****************************************************************************
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*/
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IP_PUBLIC Ip_err ipcom_usr_create(void);
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/*
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****************************************************************************
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* 8 DATA
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****************************************************************************
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*/
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IP_PUBLIC const char *ipcom_version =
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"@(#) IPCOM $Name: VXWORKS_ITER40_2019102207 $ - INTERPEAK_COPYRIGHT_STRING";
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IP_STATIC Ip_bool ipcom_usr_created = IP_FALSE;
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/*
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****************************************************************************
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* 9 STATIC FUNCTIONS
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 10 GLOBAL FUNCTIONS
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 11 PUBLIC FUNCTIONS
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipcom_usr_create
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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IP_PUBLIC Ip_err
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ipcom_usr_create(void)
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{
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Ip_err err = IPCOM_SUCCESS;
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/*!!RACE CONDITION*/
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if (ipcom_usr_created)
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return IPCOM_SUCCESS;
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ipcom_usr_created = IP_TRUE;
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if (ipcom_once_mutex == IPCOM_MUTEX_INVALID)
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{
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err = ipcom_mutex_create(&ipcom_once_mutex);
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if (err != IPCOM_SUCCESS)
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goto fail;
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}
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/****** SUCCESS *****/
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return err;
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/****** Create fail *****/
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fail:
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IP_PANIC();
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return err;
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}
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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