1 /*
   2  * Copyright (c) 2001, 2014, 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  *

 123 
 124   HeapWord* result = NULL;
 125   if (UseTLAB) {
 126     result = allocate_from_tlab(klass, THREAD, size);
 127     if (result != NULL) {
 128       assert(!HAS_PENDING_EXCEPTION,
 129              "Unexpected exception, will result in uninitialized storage");
 130       return result;
 131     }
 132   }
 133   bool gc_overhead_limit_was_exceeded = false;
 134   result = Universe::heap()->mem_allocate(size,
 135                                           &gc_overhead_limit_was_exceeded);
 136   if (result != NULL) {
 137     NOT_PRODUCT(Universe::heap()->
 138       check_for_non_bad_heap_word_value(result, size));
 139     assert(!HAS_PENDING_EXCEPTION,
 140            "Unexpected exception, will result in uninitialized storage");
 141     THREAD->incr_allocated_bytes(size * HeapWordSize);
 142 
 143     AllocTracer::send_allocation_outside_tlab_event(klass, size * HeapWordSize);
 144 
 145     return result;
 146   }
 147 
 148 
 149   if (!gc_overhead_limit_was_exceeded) {
 150     // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
 151     report_java_out_of_memory("Java heap space");
 152 
 153     if (JvmtiExport::should_post_resource_exhausted()) {
 154       JvmtiExport::post_resource_exhausted(
 155         JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
 156         "Java heap space");
 157     }
 158 
 159     THROW_OOP_0(Universe::out_of_memory_error_java_heap());
 160   } else {
 161     // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
 162     report_java_out_of_memory("GC overhead limit exceeded");
 163 

   1 /*
   2  * Copyright (c) 2001, 2019, 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  *

 123 
 124   HeapWord* result = NULL;
 125   if (UseTLAB) {
 126     result = allocate_from_tlab(klass, THREAD, size);
 127     if (result != NULL) {
 128       assert(!HAS_PENDING_EXCEPTION,
 129              "Unexpected exception, will result in uninitialized storage");
 130       return result;
 131     }
 132   }
 133   bool gc_overhead_limit_was_exceeded = false;
 134   result = Universe::heap()->mem_allocate(size,
 135                                           &gc_overhead_limit_was_exceeded);
 136   if (result != NULL) {
 137     NOT_PRODUCT(Universe::heap()->
 138       check_for_non_bad_heap_word_value(result, size));
 139     assert(!HAS_PENDING_EXCEPTION,
 140            "Unexpected exception, will result in uninitialized storage");
 141     THREAD->incr_allocated_bytes(size * HeapWordSize);
 142 
 143     AllocTracer::send_allocation_outside_tlab_event(klass, result, size * HeapWordSize, THREAD);
 144 
 145     return result;
 146   }
 147 
 148 
 149   if (!gc_overhead_limit_was_exceeded) {
 150     // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
 151     report_java_out_of_memory("Java heap space");
 152 
 153     if (JvmtiExport::should_post_resource_exhausted()) {
 154       JvmtiExport::post_resource_exhausted(
 155         JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
 156         "Java heap space");
 157     }
 158 
 159     THROW_OOP_0(Universe::out_of_memory_error_java_heap());
 160   } else {
 161     // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
 162     report_java_out_of_memory("GC overhead limit exceeded");
 163