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// This is the Win32 version of this struct
#if !defined(_WIN32)
#error Win32 only header included from non-Win32 build environment
#endif
#ifndef _AUTOPIPE_H
#define _AUTOPIPE_H
class autopipe {
autofd input, output;
public:
explicit autopipe(DWORD pipe_size=4096) : input(INVALID_HANDLE_VALUE),
output(INVALID_HANDLE_VALUE)
{
HANDLE hReadPipe, hWritePipe;
if( CreatePipe(&hReadPipe, &hWritePipe, NULL, pipe_size ) ) {
input=autofd(hReadPipe);
output=autofd(hWritePipe);
} else {
#if defined(EXCEPT_CLASS)
throw EXCEPT_CLASS("Couldn't create pipe", GetLastError() );
#endif
}
}
// Default copy constructor and operator= do exactly what we want.
//autopipe( const autopipe &that )
//autopipe &operator=( const autopipe &that )
// As does default dtor
//~autopipe()
autofd &get_read()
{
return input;
}
const autofd &get_read() const
{
return input;
}
autofd &get_write()
{
return output;
}
const autofd &get_write() const
{
return output;
}
void clear_read()
{
input.clear();
}
void clear_write()
{
output.clear();
}
void clear()
{
clear_read();
clear_write();
}
};
#endif // _AUTOPIPE_H
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