X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e4edebc0964cc3010d058daab4f662838f6b43e7..8e77fd8bca165aab9709649d79a7cbc6a172d4e1:/include/wx/unix/pipe.h?ds=sidebyside

diff --git a/include/wx/unix/pipe.h b/include/wx/unix/pipe.h
index 356ee9d394..e4799024ed 100644
--- a/include/wx/unix/pipe.h
+++ b/include/wx/unix/pipe.h
@@ -46,10 +46,20 @@ 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
@@ -74,7 +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;
+            }
         }
     }
 
@@ -85,7 +98,7 @@ private:
     int m_fds[2];
 };
 
-#if wxUSE_STREAMS
+#if wxUSE_STREAMS && wxUSE_FILE
 
 #include "wx/wfstream.h"
 
@@ -105,7 +118,21 @@ public:
     virtual bool CanRead() const;
 };
 
-#endif // wxUSE_STREAMS
+// ----------------------------------------------------------------------------
+// wxPipeOutputStream: stream for writing to a pipe
+// ----------------------------------------------------------------------------
+
+class wxPipeOutputStream : public wxFileOutputStream
+{
+public:
+    wxPipeOutputStream(int fd) : wxFileOutputStream(fd) { }
+
+    // Override the base class version to ignore "pipe full" errors: this is
+    // not an error for this class.
+    size_t OnSysWrite(const void *buffer, size_t size);
+};
+
+#endif // wxUSE_STREAMS && wxUSE_FILE
 
 #endif // _WX_UNIX_PIPE_H_