X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2478fde622a16d25c66690af353dfdc37e7b582..66c2bf7b1d9326fb650acfaae22ec50528cfbf7c:/include/wx/unix/pipe.h

diff --git a/include/wx/unix/pipe.h b/include/wx/unix/pipe.h
index a142b752a9..e8e2d427cb 100644
--- a/include/wx/unix/pipe.h
+++ b/include/wx/unix/pipe.h
@@ -4,8 +4,7 @@
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     24.06.2003 (extracted from src/unix/utilsunx.cpp)
-// RCS-ID:      $Id$
-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -13,6 +12,10 @@
 #define _WX_UNIX_PIPE_H_
 
 #include <unistd.h>
+#include <fcntl.h>
+
+#include "wx/log.h"
+#include "wx/intl.h"
 
 // ----------------------------------------------------------------------------
 // wxPipe: this class encapsulates pipe() system call
@@ -43,31 +46,32 @@ public:
         {
             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
     bool IsOk() const { return m_fds[Read] != INVALID_FD; }
 
     // return the descriptor for one of the pipe ends
-    int operator[](Direction which) const
-    {
-        wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_fds),
-                      _T("invalid pipe index") );
-
-        return m_fds[which];
-    }
+    int operator[](Direction which) const { return m_fds[which]; }
 
     // detach a descriptor, meaning that the pipe dtor won't close it, and
     // return it
     int Detach(Direction which)
     {
-        wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_fds),
-                      _T("invalid pipe index") );
-
         int fd = m_fds[which];
         m_fds[which] = INVALID_FD;
 
@@ -80,7 +84,10 @@ public:
         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;
+            }
         }
     }