iossetst.cpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C++ 代码 · 共 61 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* Description:
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****************************************************************************/

#ifdef __SW_FH
#include "iost.h"
#else
#include "variety.h"
#include <iostream>
#endif
#include "lock.h"

namespace std {

  // Set __error_state and throw an exception, if enabled.

  void ios::setstate( ios::iostate on_bits ) {

    ios::iostate state;

    __lock_it( __i_lock );
    __error_state |= on_bits;
    state = __error_state & __enabled_exceptions;
    if( state ) {
        ios::failure f( state );
        #ifdef __SW_XS
            // if not building exception handling library then don't
            // throw exception
            throw( f );
        #endif
    }
  }

}