// Author: Vadim Zeitlin
// Modified by:
// Created: 24.06.2003 (extracted from src/unix/utilsunx.cpp)
-// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UNIX_PIPE_H_
#define _WX_UNIX_PIPE_H_
#include <unistd.h>
+#include <fcntl.h>
#include "wx/log.h"
#include "wx/intl.h"
enum Direction
{
Read,
- Write,
- Direction_Max
+ Write
};
enum
{
wxLogSysError(_("Pipe creation failed"));
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
+ }
+
+ // switch the given end of the pipe to non-blocking IO
+ bool MakeNonBlocking(Direction which)
+ {
+ const int flags = fcntl(m_fds[which], F_GETFL, 0);
+ if ( flags == -1 )
+ return false;
+
+ return fcntl(m_fds[which], F_SETFL, flags | O_NONBLOCK) == 0;
}
// return TRUE if we were created successfully
for ( size_t n = 0; n < WXSIZEOF(m_fds); n++ )
{
if ( m_fds[n] != INVALID_FD )
+ {
close(m_fds[n]);
+ m_fds[n] = INVALID_FD;
+ }
}
}
~wxPipe() { Close(); }
private:
- int m_fds[Direction_Max];
-};
-
-#if wxUSE_STREAMS
-
-#include "wx/wfstream.h"
-
-// ----------------------------------------------------------------------------
-// wxPipeInputStream: stream for reading from a pipe
-// ----------------------------------------------------------------------------
-
-class wxPipeInputStream : public wxFileInputStream
-{
-public:
- wxPipeInputStream(int fd) : wxFileInputStream(fd) { }
-
- // return TRUE if the pipe is still opened
- bool IsOpened() const { return !Eof(); }
-
- // return TRUE if we have anything to read, don't block
- virtual bool CanRead() const;
+ int m_fds[2];
};
-#endif // wxUSE_STREAMS
-
#endif // _WX_UNIX_PIPE_H_