vxwerr.cpp

来自「vxworks源码源码解读是学习vxworks的最佳途径」· C++ 代码 · 共 77 行

// vxwErr.cpp - error handling class

// Copyright 1995-1999 Wind River Systems, Inc.

#include "copyright_wrs.h"

//
// modification history
// --------------------
// 01b,23feb99,fle  doc : made it refgen compliant
// 01a,15jun95,srh  written.
//

// IMPLEMENTS ../../../h/vxwErr.h 

#include "vxWorks.h"
#include "cplusLib.h"
#include "stdio.h"
#include "string.h"
#include "taskLib.h"
#include "vxwErr.h"

static void
vxwDefaultErrRoutine (const VXWError &error)
    {
    cplusLogMsg ("%s\n", int (error.why ()), 0, 0, 0, 0, 0);
    taskSuspend (0);
    }

static void (*vxwErrRoutine) (const VXWError &) = vxwDefaultErrRoutine;

void
vxwSetErrHandler (void (*newErrHandler) (const VXWError &))
    {
    vxwErrRoutine = newErrHandler;
    }

void
vxwThrow (const VXWError &err)
    {
    (*vxwErrRoutine) (err);
    }

VXWError::VXWError (const char *str)
    {
    makeCopy (str);
    }

VXWError::VXWError (const int err)
    {
    char buf [100];
    sprintf (buf, "VXW error, errno: 0x%x\n", err);
    makeCopy (buf);
    }

VXWError::VXWError (const VXWError &err)
    {
    makeCopy (err.errorMessage_);
    }

VXWError::~VXWError ()
    {
    if (errorMessage_ != 0)
	delete (char *) (errorMessage_);
    errorMessage_ = 0;
    }

void VXWError::makeCopy (const char *str)
    {
    char *p = new char [ strlen (str) + 1 ];
    strcpy (p, str);
    errorMessage_ = p;
    }


char __vxwErr_o; // for forced linking in src/config/cplus*.c