added more or less meaningful descriptions when throwing SystemExceptions

[senf.git] / senf / Socket / FileHandle.cc

diff --git a/senf/Socket/FileHandle.cc b/senf/Socket/FileHandle.cc
index 952d095..d99449c 100644 (file)
--- a/senf/Socket/FileHandle.cc
+++ b/senf/Socket/FileHandle.cc
@@ -2,23 +2,28 @@
 //
 // Copyright (C) 2006
 // Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-//     Stefan Bund <g0dil@berlios.de>
 //
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at 
+// http://senf.berlios.de/license.html
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on, 
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
 //
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the
-// Free Software Foundation, Inc.,
-// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+// Software distributed under the License is distributed on an "AS IS" basis, 
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V. 
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+//   Stefan Bund <g0dil@berlios.de>
 
 /** \file
     \brief FileHandle non-inline non-template implementation
@@ -71,7 +76,7 @@ prefix_ void senf::FileBody::destroyClose()
 prefix_ void senf::FileBody::v_close()
 {
     if (::close(fd_) != 0)
-        SENF_THROW_SYSTEM_EXCEPTION("");
+        SENF_THROW_SYSTEM_EXCEPTION("could not ::close FileBody fd");
 }
 
 prefix_ void senf::FileBody::v_terminate()
@@ -95,17 +100,17 @@ prefix_ bool senf::FileBody::blocking()
     const
 {
     int flags = ::fcntl(fd(),F_GETFL);
-    if (flags < 0) SENF_THROW_SYSTEM_EXCEPTION("");
+    if (flags < 0) SENF_THROW_SYSTEM_EXCEPTION("::fcntl(F_GETFL)");
     return ! (flags & O_NONBLOCK);
 }
 
 prefix_ void senf::FileBody::blocking(bool status)
 {
     int flags = ::fcntl(fd(),F_GETFL);
-    if (flags < 0) SENF_THROW_SYSTEM_EXCEPTION("");
+    if (flags < 0) SENF_THROW_SYSTEM_EXCEPTION("::fcntl(F_GETFL)");
     if (status) flags &= ~O_NONBLOCK;
     else        flags |= O_NONBLOCK;
-    if (::fcntl(fd(), F_SETFL, flags) < 0) SENF_THROW_SYSTEM_EXCEPTION("");
+    if (::fcntl(fd(), F_SETFL, flags) < 0) SENF_THROW_SYSTEM_EXCEPTION("::fcntl(F_SETFL)");
 }
 
 /* We don't take POLLIN/POLLOUT as argument to avoid having to include
@@ -126,7 +131,7 @@ prefix_ bool senf::FileBody::pollCheck(int fd, bool incoming, int timeout, bool
             case EINTR:
                 break;
             default:
-                SENF_THROW_SYSTEM_EXCEPTION("");
+                SENF_THROW_SYSTEM_EXCEPTION("could not check ::poll");
             }
     } while (rv<0);
     return rv>0;