jdk8-mips64-public/hotspot: src/share/vm/runtime/java.hpp@8d852b81e775

6694099: Hotspot vm_exit_out_of_memory should dump core
Summary: This fix enables the generation of core file when process runs out of C-heap.
Reviewed-by: sbohne

     1 /*

     2  * Copyright 1997-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 // Register function to be called by before_exit

    26 extern "C" { void register_on_exit_function(void (*func)(void)) ;}

    28 // Execute code before all handles are released and thread is killed; prologue to vm_exit

    29 extern void before_exit(JavaThread * thread);

    31 // Forced VM exit (i.e, internal error or JVM_Exit)

    32 extern void vm_exit(int code);

    34 // Wrapper for ::exit()

    35 extern void vm_direct_exit(int code);

    37 // Shutdown the VM but do not exit the process

    38 extern void vm_shutdown();

    39 // Shutdown the VM and abort the process

    40 extern void vm_abort(bool dump_core=true);

    42 // Trigger any necessary notification of the VM being shutdown

    43 extern void notify_vm_shutdown();

    45 // VM exit if error occurs during initialization of VM

    46 extern void vm_exit_during_initialization(Handle exception);

    47 extern void vm_exit_during_initialization(symbolHandle exception_name, const char* message);

    48 extern void vm_exit_during_initialization(const char* error, const char* message = NULL);

    49 extern void vm_shutdown_during_initialization(const char* error, const char* message = NULL);

    51 class JDK_Version : AllStatic {

    52   friend class VMStructs;

    53  private:

    54   static jdk_version_info _version_info;

    55   static bool             _pre_jdk16_version;

    56   static int              _jdk_version;  // JDK version number representing the release

    57                                          //  i.e. n in 1.n.x (= jdk_minor_version())

    59  public:

    60   static void initialize();

    61   static int  jdk_major_version() { return JDK_VERSION_MAJOR(_version_info.jdk_version); }

    62   static int  jdk_minor_version() { return JDK_VERSION_MINOR(_version_info.jdk_version); }

    63   static int  jdk_micro_version() { return JDK_VERSION_MICRO(_version_info.jdk_version); }

    64   static int  jdk_build_number()  { return JDK_VERSION_BUILD(_version_info.jdk_version); }

    66   static bool is_pre_jdk16_version()        { return _pre_jdk16_version; }

    67   static bool is_jdk12x_version()           { assert(is_jdk_version_initialized(), "must have been initialized"); return _jdk_version == 2; }

    68   static bool is_jdk13x_version()           { assert(is_jdk_version_initialized(), "must have been initialized"); return _jdk_version == 3; }

    69   static bool is_jdk14x_version()           { assert(is_jdk_version_initialized(), "must have been initialized"); return _jdk_version == 4; }

    70   static bool is_jdk15x_version()           { assert(is_jdk_version_initialized(), "must have been initialized"); return _jdk_version == 5; }

    72   static bool is_jdk16x_version() {

    73     if (is_jdk_version_initialized()) {

    74       return _jdk_version == 6;

    75     } else {

    76       assert(is_pre_jdk16_version(), "must have been initialized");

    77       return false;

    78     }

    79   }

    81   static bool is_jdk17x_version() {

    82     if (is_jdk_version_initialized()) {

    83       return _jdk_version == 7;

    84     } else {

    85       assert(is_pre_jdk16_version(), "must have been initialized");

    86       return false;

    87     }

    88   }

    90   static bool supports_thread_park_blocker() { return _version_info.thread_park_blocker; }

    92   static bool is_gte_jdk14x_version() {

    93     // Keep the semantics of this that the version number is >= 1.4

    94     assert(is_jdk_version_initialized(), "Not initialized");

    95     return _jdk_version >= 4;

    96   }

    97   static bool is_gte_jdk15x_version() {

    98     // Keep the semantics of this that the version number is >= 1.5

    99     assert(is_jdk_version_initialized(), "Not initialized");

   100     return _jdk_version >= 5;

   101   }

   102   static bool is_gte_jdk16x_version() {

   103     // Keep the semantics of this that the version number is >= 1.6

   104     if (is_jdk_version_initialized()) {

   105       return _jdk_version >= 6;

   106     } else {

   107       assert(is_pre_jdk16_version(), "Not initialized");

   108       return false;

   109     }

   110   }

   112   static bool is_gte_jdk17x_version() {

   113     // Keep the semantics of this that the version number is >= 1.7

   114     if (is_jdk_version_initialized()) {

   115       return _jdk_version >= 7;

   116     } else {

   117       assert(is_pre_jdk16_version(), "Not initialized");

   118       return false;

   119     }

   120   }

   122   static bool is_jdk_version_initialized() {

   123     return _jdk_version > 0;

   124   }

   126   // These methods are defined to deal with pre JDK 1.6 versions

   127   static void set_jdk12x_version() {

   128     assert(_pre_jdk16_version && !is_jdk_version_initialized(), "must not initialize");

   129     _jdk_version = 2;

   130     _version_info.jdk_version = (1 << 24) | (2 << 16);

   131   }

   132   static void set_jdk13x_version() {

   133     assert(_pre_jdk16_version && !is_jdk_version_initialized(), "must not initialize");

   134     _jdk_version = 3;

   135     _version_info.jdk_version = (1 << 24) | (3 << 16);

   136   }

   137   static void set_jdk14x_version() {

   138     assert(_pre_jdk16_version && !is_jdk_version_initialized(), "must not initialize");

   139     _jdk_version = 4;

   140     _version_info.jdk_version = (1 << 24) | (4 << 16);

   141   }

   142   static void set_jdk15x_version() {

   143     assert(_pre_jdk16_version && !is_jdk_version_initialized(), "must not initialize");

   144     _jdk_version = 5;

   145     _version_info.jdk_version = (1 << 24) | (5 << 16);

   146   }

   147 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/runtime/java.hpp@8d852b81e775

src/share/vm/runtime/java.hpp