452 *
453 * It is important that this directory is well-known and the
454 * same for all VM instances. It cannot be affected by configuration
455 * variables such as java.io.tmpdir.
456 */
457 JVM_ENTRY(jstring, JVM_GetTemporaryDirectory(JNIEnv *env))
458 JVMWrapper("JVM_GetTemporaryDirectory");
459 HandleMark hm(THREAD);
460 const char* temp_dir = os::get_temp_directory();
461 Handle h = java_lang_String::create_from_platform_dependent_str(temp_dir, CHECK_NULL);
462 return (jstring) JNIHandles::make_local(env, h());
463 JVM_END
464
465
466 // java.lang.Runtime /////////////////////////////////////////////////////////////////////////
467
468 extern volatile jint vm_created;
469
470 JVM_ENTRY_NO_ENV(void, JVM_BeforeHalt())
471 JVMWrapper("JVM_BeforeHalt");
472 EventShutdown event;
473 if (event.should_commit()) {
474 event.set_reason("Shutdown requested from Java");
475 event.commit();
476 }
477 JVM_END
478
479
480 JVM_ENTRY_NO_ENV(void, JVM_Halt(jint code))
481 before_exit(thread);
482 vm_exit(code);
483 JVM_END
484
485
486 JVM_ENTRY_NO_ENV(void, JVM_GC(void))
487 JVMWrapper("JVM_GC");
488 if (!DisableExplicitGC) {
489 Universe::heap()->collect(GCCause::_java_lang_system_gc);
490 }
491 JVM_END
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452 *
453 * It is important that this directory is well-known and the
454 * same for all VM instances. It cannot be affected by configuration
455 * variables such as java.io.tmpdir.
456 */
457 JVM_ENTRY(jstring, JVM_GetTemporaryDirectory(JNIEnv *env))
458 JVMWrapper("JVM_GetTemporaryDirectory");
459 HandleMark hm(THREAD);
460 const char* temp_dir = os::get_temp_directory();
461 Handle h = java_lang_String::create_from_platform_dependent_str(temp_dir, CHECK_NULL);
462 return (jstring) JNIHandles::make_local(env, h());
463 JVM_END
464
465
466 // java.lang.Runtime /////////////////////////////////////////////////////////////////////////
467
468 extern volatile jint vm_created;
469
470 JVM_ENTRY_NO_ENV(void, JVM_BeforeHalt())
471 JVMWrapper("JVM_BeforeHalt");
472 // Link all classes for dynamic CDS dumping before vm exit.
473 if (DynamicDumpSharedSpaces) {
474 MetaspaceShared::link_and_cleanup_shared_classes(false, THREAD);
475 }
476 EventShutdown event;
477 if (event.should_commit()) {
478 event.set_reason("Shutdown requested from Java");
479 event.commit();
480 }
481 JVM_END
482
483
484 JVM_ENTRY_NO_ENV(void, JVM_Halt(jint code))
485 before_exit(thread);
486 vm_exit(code);
487 JVM_END
488
489
490 JVM_ENTRY_NO_ENV(void, JVM_GC(void))
491 JVMWrapper("JVM_GC");
492 if (!DisableExplicitGC) {
493 Universe::heap()->collect(GCCause::_java_lang_system_gc);
494 }
495 JVM_END
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