1 /* 2 * Copyright (c) 1997, 2010, 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 #ifndef OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP 26 #define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP 27 28 typedef void* HANDLE; 29 30 private: 31 // Win32-specific thread information 32 HANDLE _thread_handle; // Win32 thread handle 33 unsigned long _thread_id; // Win32 thread id 34 HANDLE _interrupt_event; // Event signalled on thread interrupt 35 ThreadState _last_state; 36 37 public: 38 // The following will only apply in the Win32 implementation, and should only 39 // be visible in the concrete class, not this which should be an abstract base class 40 HANDLE thread_handle() const { return _thread_handle; } 41 void set_thread_handle(HANDLE handle) { _thread_handle = handle; } 42 HANDLE interrupt_event() const { return _interrupt_event; } 43 void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; } 44 45 unsigned long thread_id() const { return _thread_id; } 46 #ifndef PRODUCT 47 // Used for debugging, return a unique integer for each thread. 48 int thread_identifier() const { return _thread_id; } 49 #endif 50 #ifdef ASSERT 51 // We expect no reposition failures so kill vm if we get one 52 // 53 bool valid_reposition_failure() { 54 return false; 55 } 56 #endif // ASSERT 57 void set_thread_id(unsigned long thread_id) { _thread_id = thread_id; } 58 59 bool is_try_mutex_enter() { return false; } 60 61 // This is a temporary fix for the thread states during 62 // suspend/resume until we throw away OSThread completely. 63 // NEEDS_CLEANUP 64 void set_last_state(ThreadState state) { _last_state = state; } 65 ThreadState get_last_state() { return _last_state; } 66 67 private: 68 void pd_initialize(); 69 void pd_destroy(); 70 71 #endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP