1 /*
   2  * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_hpi.cpp.incl"
  27 
  28 extern "C" {
  29   static void unimplemented_panic(const char *fmt, ...) {
  30     // mitigate testing damage from bug 6626677
  31     warning("hpi::unimplemented_panic called");
  32   }
  33 
  34   static void unimplemented_monitorRegister(sys_mon_t *mid, char *info_str) {
  35     Unimplemented();
  36   }
  37 }
  38 
  39 static vm_calls_t callbacks = {
  40   jio_fprintf,
  41   unimplemented_panic,
  42   unimplemented_monitorRegister,
  43 
  44   NULL, // unused
  45   NULL, // unused
  46   NULL  // unused
  47 };
  48 
  49 GetInterfaceFunc        hpi::_get_interface = NULL;
  50 HPI_FileInterface*      hpi::_file          = NULL;
  51 HPI_SocketInterface*    hpi::_socket        = NULL;
  52 HPI_LibraryInterface*   hpi::_library       = NULL;
  53 HPI_SystemInterface*    hpi::_system        = NULL;
  54 
  55 jint hpi::initialize()
  56 {
  57   initialize_get_interface(&callbacks);
  58   if (_get_interface == NULL)
  59     return JNI_ERR;
  60 
  61   jint result;
  62 
  63   result = (*_get_interface)((void **)&_file, "File", 1);
  64   if (result != 0) {
  65     if (TraceHPI) tty->print_cr("Can't find HPI_FileInterface");
  66     return JNI_ERR;
  67   }
  68 
  69 
  70   result = (*_get_interface)((void **)&_library, "Library", 1);
  71   if (result != 0) {
  72     if (TraceHPI) tty->print_cr("Can't find HPI_LibraryInterface");
  73     return JNI_ERR;
  74   }
  75 
  76   result = (*_get_interface)((void **)&_system, "System", 1);
  77   if (result != 0) {
  78     if (TraceHPI) tty->print_cr("Can't find HPI_SystemInterface");
  79     return JNI_ERR;
  80   }
  81 
  82   return JNI_OK;
  83 }
  84 
  85 jint hpi::initialize_socket_library()
  86 {
  87   if (_get_interface == NULL) {
  88     if (TraceHPI) {
  89       tty->print_cr("Fatal HPI error: reached initialize_socket_library with NULL _get_interface");
  90     }
  91     return JNI_ERR;
  92   }
  93 
  94   jint result;
  95   result = (*_get_interface)((void **)&_socket, "Socket", 1);
  96   if (result != 0) {
  97     if (TraceHPI) tty->print_cr("Can't find HPI_SocketInterface");
  98     return JNI_ERR;
  99   }
 100 
 101   return JNI_OK;
 102 }