release of libvirt-0.6.4

* configure.in libvirt.spec.in NEWS docs/* po/*: release of
  libvirt-0.6.4
* src/libvirt.c src/virterror.c: some comments cleanups
Daniel

ChangeLog

+Fri May 29 18:37:17 CEST 2009 Daniel Veillard <veillard@redhat.com>
+
+	* configure.in libvirt.spec.in NEWS docs/* po/*: release of
+	  libvirt-0.6.4
+	* src/libvirt.c src/virterror.c: some comments cleanups
+
 Fri May 29 15:34:30 BST 2009 Daniel P. Berrange <berrange@redhat.com>
 
 	* qemud/qemud.c: Set free'd variables to NULL to avoid potential

NEWS

@@ -5,6 +5,61 @@
        http://libvirt.org/news.html
 
 
+0.6.4: May 29 2009:
+   - New features: new API virStorageVolCreateXMLFrom (Cole Robinson),
+          full VBox graphic capabilities (Pritesh Kothari), Interface config
+          APIs (Laine Stump), APIs for domain XML conversions (Daniel
+          Berrange), initial version of OpenNebula driver (Abel Miguez
+          Rodriguez)
+   - Portability: better compiler warning selection (Daniel Berrange),
+          Win32 portability fixes (Daniel Berrange)
+   - Documentation: documentation for <sound> device XML format (Cole
+          Robinson), storage format documentation fixes (Ryota Ozaki),
+          docs for XML conversion APIs (Daniel Berrange), inconsistencies
+          in storage volume docs and schemas (Ryota Ozaki)
+   - Bug fixes: fix hostdev managed handling (Mark McLoughlin),
+          lxc_controller should not cash without args (Guido Gunther),
+          bug fixes in I/O routines (Guido Gunther), fix migrationsave/restore
+          for QEmu 0.10.0 (Daniel Berrange), avoid crash on VBox init
+          (Guido Gunther), fix dev and cgroup init in LXC (Ryota Ozaki),
+          QEmu startup fix (Cole Robinson), block node reboots from LXCs (Ryota
+          Ozaki), QEmu argv detection fix for recent kvm (Daniel Berrange),
+          fix watch/timer event deletion (Daniel Berrange), fix XML escaping
+          bug, various locking bugs (Daniel Berrange), avoid a deadlock in
+          HAL nodedev driver (Cole Robinson), detection of node device media
+          insert/eject (Cole Robinson), broken networking with new QEMU/KVM
+          >= 86 (Daniel Berrange), various fixes in domain and network
+          startup error report (Cole Robinson), double free on unexpected
+          client disconnect (Daniel Berrange)
+   - Improvements: cleanups and doc on virExec (Cole Robinson), error
+          reporting in QEmu migrations (Cole Robinson), better path and driver
+          detection in VBox (Pritesh Kothari), avoid caching QEMU driver
+          capabilities(Cole Robinson), multiple graphics elements definitions
+          (Pritesh Kothari), LSB init header init.d improvements (Frederik
+          Himpe), special erro code for invalid operations (Daniel Berrange),
+          dlopen error logging (Daniel Berrange), fix UUID and name uniqueness
+          (Daniel Berrange), improvement on VBox initialization (Pritesh
+          Kothari and Dan Berrange), "Host only" and "Internal" network in VBox
+          (Pritesh Kothari), add utility virExecDaemonize (Cole Robinson),
+          enable bridges without IP (Ludwig Nussel), 'make -s' silencing
+          (Daniel Berrange), test case for exercising the event loop (Daniel
+          Berrange), virsh commands vol-clone and vol-create-from (Cole
+          Robinson), new xend don't use [] around cpumaps (Tatsuro Enokura),
+          add the CIL mutex lock checker (Daniel Berrange), fix some LXC
+          error code (Amy Griffis), virInterface python bindings (Daniel
+          Berrange), fix to the example code for event handling (Pritesh
+          Kothari), always add location informations to logging (Daniel
+          Berrange), python domain events example and binding (Daniel
+          Berrange), PPC Qemu Machine Type update (Thomas Baker)
+   - Cleanups: strings bug in virsh (Daniel Berrange), various cleanups
+          in storage code (Cole Robinson), rpm spec cleanups, destructors
+          data cleanups (Laine Stump), some QEmu code refactoring (Daniel
+          Berrange), avoid dependancy on libcap (Daniel Berrange), python
+          import cleanup (Cole Robinson), virAsprintf based cleanups in
+          storage code (Cole Robinson), fix some direct stderr logging,
+          OpenNebula driver cleanups (Daniel Berrange)
+
+
 0.6.3: Apr 24 2009:
    - New features: VirtualBox driver support (Pritesh Kothari),
           virt-xml-validate new command (Daniel Berrange)

configure.in

 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([libvirt], [0.6.3])
+AC_INIT([libvirt], [0.6.4])
 AC_CONFIG_SRCDIR([src/libvirt.c])
 AC_CONFIG_AUX_DIR([build-aux])
 AM_CONFIG_HEADER([config.h])

docs/devhelp/libvirt-libvirt.html

@@ -1149,7 +1149,7 @@ The content of this structure is not made public by the API.
         <hr/>
         <div class="refsect2" lang="en"><h3><a name="virInterfaceGetConnect"/>virInterfaceGetConnect ()</h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virInterfaceGetConnect	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br/>
 </pre><p>Provides the connection pointer associated with an interface. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the interface object together.</p>
-<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td/></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div></div>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>pointer to a interface</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div></div>
         <hr/>
         <div class="refsect2" lang="en"><h3><a name="virInterfaceGetMACString"/>virInterfaceGetMACString ()</h3><pre class="programlisting">const char *	virInterfaceGetMACString	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br/>
 </pre><p>Get the MAC for a interface as string. For more information about MAC see RFC4122.</p>

docs/html/libvirt-libvirt.html

@@ -474,7 +474,7 @@ int	<a href="#virStorageVolRef">virStorageVolRef</a>		(<a href="libvirt-libvirt.
 </pre><p>Define an interface (or modify existing interface configuration)</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><span class="term"><i><tt>xml</tt></i>:</span></td><td>the XML description for the interface, preferably in UTF-8</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>and OR'ed set of extraction flags, not used yet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL in case of error, a pointer to the interface otherwise</td></tr></tbody></table></div><h3><a name="virInterfaceDestroy" id="virInterfaceDestroy"><code>virInterfaceDestroy</code></a></h3><pre class="programlisting">int	virInterfaceDestroy		(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface, <br />					 unsigned int flags)<br />
 </pre><p>deactivate an interface (ie call "ifdown") This does not remove the interface from the config, and does not free the associated <a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> object.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>an interface object</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>and OR'ed set of extraction flags, not used yet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virInterfaceFree" id="virInterfaceFree"><code>virInterfaceFree</code></a></h3><pre class="programlisting">int	virInterfaceFree		(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br />
 </pre><p>Free the interface object. The interface itself is unaltered. The data structure is freed and should not be used thereafter.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>a interface object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div><h3><a name="virInterfaceGetConnect" id="virInterfaceGetConnect"><code>virInterfaceGetConnect</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a>	virInterfaceGetConnect	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br />
-</pre><p>Provides the connection pointer associated with an interface. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the interface object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virInterfaceGetMACString" id="virInterfaceGetMACString"><code>virInterfaceGetMACString</code></a></h3><pre class="programlisting">const char *	virInterfaceGetMACString	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br />
+</pre><p>Provides the connection pointer associated with an interface. The reference counter on the connection is not increased by this call. WARNING: When writing libvirt bindings in other languages, do not use this function. Instead, store the connection and the interface object together.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>pointer to a interface</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> or NULL in case of failure.</td></tr></tbody></table></div><h3><a name="virInterfaceGetMACString" id="virInterfaceGetMACString"><code>virInterfaceGetMACString</code></a></h3><pre class="programlisting">const char *	virInterfaceGetMACString	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br />
 </pre><p>Get the MAC for a interface as string. For more information about MAC see RFC4122.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>a interface object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the MAC address (in null-terminated ASCII format) or NULL, the string need not be deallocated its lifetime will be the same as the interface object.</td></tr></tbody></table></div><h3><a name="virInterfaceGetName" id="virInterfaceGetName"><code>virInterfaceGetName</code></a></h3><pre class="programlisting">const char *	virInterfaceGetName	(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface)<br />
 </pre><p>Get the public name for that interface</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>a interface object</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the name or NULL, the string need not be deallocated its lifetime will be the same as the interface object.</td></tr></tbody></table></div><h3><a name="virInterfaceGetXMLDesc" id="virInterfaceGetXMLDesc"><code>virInterfaceGetXMLDesc</code></a></h3><pre class="programlisting">char *	virInterfaceGetXMLDesc		(<a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a> iface, <br />					 unsigned int flags)<br />
 </pre><p>Provide an XML description of the interface. The description may be reused later to recreate the interface with virInterfaceCreateXML().</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>iface</tt></i>:</span></td><td>a interface object</td></tr><tr><td><span class="term"><i><tt>flags</tt></i>:</span></td><td>and OR'ed set of extraction flags, not used yet</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a 0 terminated UTF-8 encoded XML instance, or NULL in case of error. the caller must free() the returned value.</td></tr></tbody></table></div><h3><a name="virInterfaceLookupByMACString" id="virInterfaceLookupByMACString"><code>virInterfaceLookupByMACString</code></a></h3><pre class="programlisting"><a href="libvirt-libvirt.html#virInterfacePtr">virInterfacePtr</a>	virInterfaceLookupByMACString	(<a href="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br />						 const char * macstr)<br />

docs/libvirt-api.xml

@@ -1489,7 +1489,7 @@ see note above'/>
     <function name='virInterfaceGetConnect' file='libvirt' module='libvirt'>
       <info>Provides the connection pointer associated with an interface.  The reference counter on the connection is not increased by this call.  WARNING: When writing libvirt bindings in other languages, do not use this function.  Instead, store the connection and the interface object together.</info>
       <return type='virConnectPtr' info='the virConnectPtr or NULL in case of failure.'/>
-      <arg name='iface' type='virInterfacePtr' info=''/>
+      <arg name='iface' type='virInterfacePtr' info='pointer to a interface'/>
     </function>
     <function name='virInterfaceGetMACString' file='libvirt' module='libvirt'>
       <info>Get the MAC for a interface as string. For more information about MAC see RFC4122.</info>

docs/news.html

@@ -76,6 +76,54 @@
         <p>Here is the list of official releases, however since it is early on in the
 development of libvirt, it is preferable when possible to just use the <a href="downloads.html">CVS version or snapshot</a>, contact the mailing list
 and check the <a href="ChangeLog.html">ChangeLog</a> to gauge progress.</p>
+        <h3>0.6.4: May 29 2009</h3>
+        <ul><li>New features: new API virStorageVolCreateXMLFrom (Cole Robinson),
+          full VBox graphic capabilities (Pritesh Kothari), Interface config
+          APIs (Laine Stump), APIs for domain XML conversions (Daniel
+          Berrange), initial version of OpenNebula driver (Abel Miguez
+          Rodriguez)</li><li>Portability: better compiler warning selection (Daniel Berrange),
+          Win32 portability fixes (Daniel Berrange)</li><li>Documentation: documentation for &lt;sound&gt; device XML format (Cole
+          Robinson), storage format documentation fixes (Ryota Ozaki),
+          docs for XML conversion APIs (Daniel Berrange), inconsistencies
+          in storage volume docs and schemas (Ryota Ozaki)</li><li>Bug fixes: fix hostdev managed handling (Mark McLoughlin),
+          lxc_controller should not cash without args (Guido Gunther),
+          bug fixes in I/O routines (Guido Gunther), fix migrationsave/restore
+          for QEmu 0.10.0 (Daniel Berrange), avoid crash on VBox init
+          (Guido Gunther), fix dev and cgroup init in LXC (Ryota Ozaki),
+          QEmu startup fix (Cole Robinson), block node reboots from LXCs (Ryota
+          Ozaki), QEmu argv detection fix for recent kvm (Daniel Berrange),
+          fix watch/timer event deletion (Daniel Berrange), fix XML escaping
+          bug, various locking bugs (Daniel Berrange), avoid a deadlock in
+          HAL nodedev driver (Cole Robinson), detection of node device media
+          insert/eject (Cole Robinson), broken networking with new QEMU/KVM
+          &gt;= 86 (Daniel Berrange), various fixes in domain and network
+          startup error report (Cole Robinson), double free on unexpected
+          client disconnect (Daniel Berrange)</li><li>Improvements: cleanups and doc on virExec (Cole Robinson), error
+          reporting in QEmu migrations (Cole Robinson), better path and driver
+          detection in VBox (Pritesh Kothari), avoid caching QEMU driver
+          capabilities(Cole Robinson), multiple graphics elements definitions
+          (Pritesh Kothari), LSB init header init.d improvements (Frederik
+          Himpe), special erro code for invalid operations (Daniel Berrange),
+          dlopen error logging (Daniel Berrange), fix UUID and name uniqueness
+          (Daniel Berrange), improvement on VBox initialization (Pritesh
+          Kothari and Dan Berrange), "Host only" and "Internal" network in VBox
+          (Pritesh Kothari), add utility virExecDaemonize (Cole Robinson),
+          enable bridges without IP (Ludwig Nussel), 'make -s' silencing
+          (Daniel Berrange), test case for exercising the event loop (Daniel
+          Berrange), virsh commands vol-clone and vol-create-from (Cole
+          Robinson), new xend don't use [] around cpumaps (Tatsuro Enokura),
+          add the CIL mutex lock checker (Daniel Berrange), fix some LXC
+          error code (Amy Griffis), virInterface python bindings (Daniel
+          Berrange), fix to the example code for event handling (Pritesh
+          Kothari), always add location informations to logging (Daniel
+          Berrange), python domain events example and binding (Daniel
+          Berrange), PPC Qemu Machine Type update (Thomas Baker)</li><li>Cleanups: strings bug in virsh (Daniel Berrange), various cleanups
+          in storage code (Cole Robinson), rpm spec cleanups, destructors
+          data cleanups (Laine Stump), some QEmu code refactoring (Daniel
+          Berrange), avoid dependancy on libcap (Daniel Berrange), python
+          import cleanup (Cole Robinson), virAsprintf based cleanups in
+          storage code (Cole Robinson), fix some direct stderr logging,
+          OpenNebula driver cleanups (Daniel Berrange)</li></ul>
         <h3>0.6.3: Apr 24 2009</h3>
         <ul><li>New features: VirtualBox driver support (Pritesh Kothari),
           virt-xml-validate new command (Daniel Berrange)</li><li>Portability: patch to build on Centos (Joseph Shraibman),

docs/news.html.in

@@ -5,6 +5,61 @@
     <p>Here is the list of official releases, however since it is early on in the
 development of libvirt, it is preferable when possible to just use the <a href="downloads.html">CVS version or snapshot</a>, contact the mailing list
 and check the <a href="ChangeLog.html">ChangeLog</a> to gauge progress.</p>
+    <h3>0.6.4: May 29 2009</h3>
+    <ul>
+      <li>New features: new API virStorageVolCreateXMLFrom (Cole Robinson),
+          full VBox graphic capabilities (Pritesh Kothari), Interface config
+          APIs (Laine Stump), APIs for domain XML conversions (Daniel
+          Berrange), initial version of OpenNebula driver (Abel Miguez
+          Rodriguez)</li>
+      <li>Portability: better compiler warning selection (Daniel Berrange),
+          Win32 portability fixes (Daniel Berrange)</li>
+      <li>Documentation: documentation for &lt;sound&gt; device XML format (Cole
+          Robinson), storage format documentation fixes (Ryota Ozaki),
+          docs for XML conversion APIs (Daniel Berrange), inconsistencies
+          in storage volume docs and schemas (Ryota Ozaki)</li>
+      <li>Bug fixes: fix hostdev managed handling (Mark McLoughlin),
+          lxc_controller should not cash without args (Guido Gunther),
+          bug fixes in I/O routines (Guido Gunther), fix migrationsave/restore
+          for QEmu 0.10.0 (Daniel Berrange), avoid crash on VBox init
+          (Guido Gunther), fix dev and cgroup init in LXC (Ryota Ozaki),
+          QEmu startup fix (Cole Robinson), block node reboots from LXCs (Ryota
+          Ozaki), QEmu argv detection fix for recent kvm (Daniel Berrange),
+          fix watch/timer event deletion (Daniel Berrange), fix XML escaping
+          bug, various locking bugs (Daniel Berrange), avoid a deadlock in
+          HAL nodedev driver (Cole Robinson), detection of node device media
+          insert/eject (Cole Robinson), broken networking with new QEMU/KVM
+          &gt;= 86 (Daniel Berrange), various fixes in domain and network
+          startup error report (Cole Robinson), double free on unexpected
+          client disconnect (Daniel Berrange)</li>
+      <li>Improvements: cleanups and doc on virExec (Cole Robinson), error
+          reporting in QEmu migrations (Cole Robinson), better path and driver
+          detection in VBox (Pritesh Kothari), avoid caching QEMU driver
+          capabilities(Cole Robinson), multiple graphics elements definitions
+          (Pritesh Kothari), LSB init header init.d improvements (Frederik
+          Himpe), special erro code for invalid operations (Daniel Berrange),
+          dlopen error logging (Daniel Berrange), fix UUID and name uniqueness
+          (Daniel Berrange), improvement on VBox initialization (Pritesh
+          Kothari and Dan Berrange), "Host only" and "Internal" network in VBox
+          (Pritesh Kothari), add utility virExecDaemonize (Cole Robinson),
+          enable bridges without IP (Ludwig Nussel), 'make -s' silencing
+          (Daniel Berrange), test case for exercising the event loop (Daniel
+          Berrange), virsh commands vol-clone and vol-create-from (Cole
+          Robinson), new xend don't use [] around cpumaps (Tatsuro Enokura),
+          add the CIL mutex lock checker (Daniel Berrange), fix some LXC
+          error code (Amy Griffis), virInterface python bindings (Daniel
+          Berrange), fix to the example code for event handling (Pritesh
+          Kothari), always add location informations to logging (Daniel
+          Berrange), python domain events example and binding (Daniel
+          Berrange), PPC Qemu Machine Type update (Thomas Baker)</li>
+      <li>Cleanups: strings bug in virsh (Daniel Berrange), various cleanups
+          in storage code (Cole Robinson), rpm spec cleanups, destructors
+          data cleanups (Laine Stump), some QEmu code refactoring (Daniel
+          Berrange), avoid dependancy on libcap (Daniel Berrange), python
+          import cleanup (Cole Robinson), virAsprintf based cleanups in
+          storage code (Cole Robinson), fix some direct stderr logging,
+          OpenNebula driver cleanups (Daniel Berrange)</li>
+    </ul>
     <h3>0.6.3: Apr 24 2009</h3>
     <ul>
       <li>New features: VirtualBox driver support (Pritesh Kothari),

include/libvirt/libvirt.h

@@ -442,7 +442,7 @@ extern virConnectAuthPtr virConnectAuthPtrDefault;
  * version * 1,000,000 + minor * 1000 + micro
  */
 
-#define LIBVIR_VERSION_NUMBER 6003
+#define LIBVIR_VERSION_NUMBER 6004
 
 int                     virGetVersion           (unsigned long *libVer,
                                                  const char *type,

libvirt.spec.in

@@ -508,6 +508,10 @@ fi
 %endif
 
 %changelog
+* Fri May 29 2009 Daniel Veillard <veillard@redhat.com> - 0.6.4-1
+- release of 0.6.4
+- various new APIs
+
 * Fri Apr 24 2009 Daniel Veillard <veillard@redhat.com> - 0.6.3-1
 - release of 0.6.3
 - VirtualBox driver

src/libvirt.c

@@ -5472,7 +5472,7 @@ error:
 
 /**
  * virInterfaceGetConnect:
- * @net: pointer to a interface
+ * @iface: pointer to a interface
  *
  * Provides the connection pointer associated with an interface.  The
  * reference counter on the connection is not increased by this

src/virterror.c

@@ -603,7 +603,7 @@ virSetConnError(virConnectPtr conn)
  * @str3: extra string info
  * @int1: extra int info
  * @int2: extra int info
- * @msg:  the message to display/transmit
+ * @fmt:  the message to display/transmit
  * @...:  extra parameters for the message display
  *
  * Internal routine called when an error is detected. It will raise it