7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "prims/jvm.h"
  28 #include "runtime/interfaceSupport.hpp"
  29 #include "runtime/osThread.hpp"
  30 
  31 #include <signal.h>
  32 
  33 
  34 // sun.misc.Signal ///////////////////////////////////////////////////////////
  35 // Signal code is mostly copied from classic vm, signals_md.c   1.4 98/08/23
  36 /*
  37  * This function is included primarily as a debugging aid. If Java is
  38  * running in a console window, then pressing <CTRL-\\> will cause
  39  * the current state of all active threads and monitors to be written
  40  * to the console window.
  41  */
  42 
  43 JVM_ENTRY_NO_ENV(void*, JVM_RegisterSignal(jint sig, void* handler))
  44   // Copied from classic vm
  45   // signals_md.c       1.4 98/08/23
  46   void* newHandler = handler == (void *)2
  47                    ? os::user_handler()

   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "jvm.h"
  28 #include "runtime/interfaceSupport.hpp"
  29 #include "runtime/osThread.hpp"
  30 
  31 #include <signal.h>
  32 
  33 
  34 // sun.misc.Signal ///////////////////////////////////////////////////////////
  35 // Signal code is mostly copied from classic vm, signals_md.c   1.4 98/08/23
  36 /*
  37  * This function is included primarily as a debugging aid. If Java is
  38  * running in a console window, then pressing <CTRL-\\> will cause
  39  * the current state of all active threads and monitors to be written
  40  * to the console window.
  41  */
  42 
  43 JVM_ENTRY_NO_ENV(void*, JVM_RegisterSignal(jint sig, void* handler))
  44   // Copied from classic vm
  45   // signals_md.c       1.4 98/08/23
  46   void* newHandler = handler == (void *)2
  47                    ? os::user_handler()