1 /* 2 * Copyright (c) 1997, 2012, 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 public: 30 typedef unsigned long thread_id_t; 31 32 private: 33 // Win32-specific thread information 34 HANDLE _thread_handle; // Win32 thread handle 35 HANDLE _interrupt_event; // Event signalled on thread interrupt 36 ThreadState _last_state; 37 38 public: 39 // The following will only apply in the Win32 implementation, and should only 40 // be visible in the concrete class, not this which should be an abstract base class 41 HANDLE thread_handle() const { return _thread_handle; } 42 void set_thread_handle(HANDLE handle) { _thread_handle = handle; } 43 HANDLE interrupt_event() const { return _interrupt_event; } 44 void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; } 45 46 // unique integer for each thread 47 int thread_identifier() const { return _thread_id; } 48 49 #ifdef ASSERT 50 // We expect no reposition failures so kill vm if we get one 51 // 52 bool valid_reposition_failure() { 53 return false; 54 } 55 #endif // ASSERT 56 bool is_try_mutex_enter() { return false; } 57 58 // This is a temporary fix for the thread states during 59 // suspend/resume until we throw away OSThread completely. 60 // NEEDS_CLEANUP 61 void set_last_state(ThreadState state) { _last_state = state; } 62 ThreadState get_last_state() { return _last_state; } 63 64 private: 65 void pd_initialize(); 66 void pd_destroy(); 67 68 #endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP