1 /* |
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2 * Copyright (c) 1994, 1999, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 /* |
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27 * Win32 implementation of Java threads |
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28 */ |
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29 |
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30 #ifndef _JAVASOFT_WIN32_THREADS_MD_H_ |
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31 #define _JAVASOFT_WIN32_THREADS_MD_H_ |
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32 |
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33 #include <windows.h> |
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34 |
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35 #define N_TRACED_REGS 7 |
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36 |
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37 #define SYS_THREAD_NULL ((sys_thread_t *) 0) |
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38 |
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39 /* |
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40 * Machine dependent info in a sys_thread_t: Keep these values in |
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41 * sync with the string array used by sysThreadDumpInfo() in threads_md.c! |
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42 */ |
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43 typedef enum { |
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44 FIRST_THREAD_STATE, |
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45 RUNNABLE = FIRST_THREAD_STATE, |
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46 SUSPENDED, |
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47 MONITOR_WAIT, |
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48 CONDVAR_WAIT, |
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49 MONITOR_SUSPENDED, |
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50 NUM_THREAD_STATES |
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51 } thread_state_t; |
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52 |
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53 struct sys_mon; |
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54 |
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55 /* |
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56 * Machine dependent thread data structure |
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57 */ |
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58 typedef struct sys_thread { |
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59 HANDLE handle; /* Win32 thread handle */ |
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60 unsigned long id; /* Win32 thread id */ |
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61 long regs[N_TRACED_REGS]; /* Registers */ |
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62 thread_state_t state; /* Current thread state */ |
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63 bool_t system_thread; /* TRUE if this is a system thread */ |
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64 bool_t interrupted; /* Shadow thread interruption */ |
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65 short suspend_flags; |
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66 HANDLE interrupt_event; /* Event signaled on thread interrupt */ |
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67 struct sys_mon *wait_monitor; /* Monitor the thread is waiting for */ |
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68 struct sys_thread *next_waiter; /* Next thread in the waiting queue */ |
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69 struct sys_mon *enter_monitor; /* Monitor thread is waiting to enter */ |
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70 void (*start_proc)(void *); /* Thread start routine address */ |
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71 void *start_parm; /* Thread start routine parameter */ |
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72 struct sys_thread *next; /* Next thread in active thread queue */ |
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73 void *stack_ptr; /* Pointer into the stack segment */ |
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74 unsigned int last_sum; |
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75 PNT_TIB nt_tib; /* Pointer to NT thread-local block */ |
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76 } sys_thread_t; |
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77 |
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78 #define MONITOR_WAIT_SUSPENDED 0x0001 |
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79 #define CONDVAR_WAIT_SUSPENDED 0x0002 |
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80 |
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81 extern bool_t ThreadsInitialized; |
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82 |
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83 extern sys_mon_t *_sys_queue_lock; |
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84 |
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85 #define SYS_QUEUE_LOCK(self) sysMonitorEnter(self, _sys_queue_lock) |
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86 #define SYS_QUEUE_LOCKED(self) sysMonitorEntered(self, _sys_queue_lock) |
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87 #define SYS_QUEUE_UNLOCK(self) sysMonitorExit(self, _sys_queue_lock) |
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88 #define SYS_QUEUE_NOTIFYALL(self) sysMonitorNotifyAll(self, _sys_queue_lock) |
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89 #define SYS_QUEUE_WAIT(self) sysMonitorWait(self, _sys_queue_lock, \ |
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90 SYS_TIMEOUT_INFINITY) |
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91 |
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92 #endif /* !_JAVASOFT_WIN32_THREADS_MD_H_ */ |
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