1 #ifdef USE_PRAGMA_IDENT_HDR
2 #pragma ident "@(#)os_windows.hpp 1.55 07/05/05 17:04:46 JVM"
3 #endif
4 /*
5 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7 *
8 * This code is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 only, as
10 * published by the Free Software Foundation.
11 *
12 * This code is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * version 2 for more details (a copy is included in the LICENSE file that
16 * accompanied this code).
17 *
18 * You should have received a copy of the GNU General Public License version
19 * 2 along with this work; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
24 * have any questions.
25 *
26 */
27
28 // Win32_OS defines the interface to windows operating systems
29
30 class win32 {
31
32 protected:
33 static int _vm_page_size;
34 static int _vm_allocation_granularity;
35 static int _processor_type;
36 static int _processor_level;
37 static julong _physical_memory;
38 static size_t _default_stack_size;
39 static bool _is_nt;
40
41 public:
42 // Windows-specific interface:
43 static void initialize_system_info();
44 static void setmode_streams();
45
46 // Processor info as provided by NT
47 static int processor_type() { return _processor_type; }
48 // Processor level may not be accurate on non-NT systems
49 static int processor_level() {
50 assert(is_nt(), "use vm_version instead");
51 return _processor_level;
52 }
53 static julong available_memory();
54 static julong physical_memory() { return _physical_memory; }
55
56 public:
57 // Generic interface:
58
59 // Trace number of created threads
60 static intx _os_thread_limit;
61 static volatile intx _os_thread_count;
62
63 // Tells whether the platform is NT or Windown95
64 static bool is_nt() { return _is_nt; }
65
66 // Returns the byte size of a virtual memory page
67 static int vm_page_size() { return _vm_page_size; }
68
69 // Returns the size in bytes of memory blocks which can be allocated.
70 static int vm_allocation_granularity() { return _vm_allocation_granularity; }
71
72 // Read the headers for the executable that started the current process into
73 // the structure passed in (see winnt.h).
74 static void read_executable_headers(PIMAGE_NT_HEADERS);
75
76 // Default stack size for the current process.
77 static size_t default_stack_size() { return _default_stack_size; }
78
79 #ifndef _WIN64
80 // A wrapper to install a structured exception handler for fast JNI accesors.
81 static address fast_jni_accessor_wrapper(BasicType);
82 #endif
83
84 // filter function to ignore faults on serializations page
85 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
106 int fired() { return _Event; }
107 void park () ;
108 void unpark () ;
109 int park (jlong millis) ;
110 } ;
111
112
113
114 class PlatformParker : public CHeapObj {
115 protected:
116 HANDLE _ParkEvent ;
117
118 public:
119 ~PlatformParker () { guarantee (0, "invariant") ; }
120 PlatformParker () {
121 _ParkEvent = CreateEvent (NULL, true, false, NULL) ;
122 guarantee (_ParkEvent != NULL, "invariant") ;
123 }
124
125 } ;
126
127
128
129
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1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // Win32_OS defines the interface to windows operating systems
26
27 class win32 {
28
29 protected:
30 static int _vm_page_size;
31 static int _vm_allocation_granularity;
32 static int _processor_type;
33 static int _processor_level;
34 static julong _physical_memory;
35 static size_t _default_stack_size;
36 static bool _is_nt;
37 static bool _is_windows_2003;
38
39 public:
40 // Windows-specific interface:
41 static void initialize_system_info();
42 static void setmode_streams();
43
44 // Processor info as provided by NT
45 static int processor_type() { return _processor_type; }
46 // Processor level may not be accurate on non-NT systems
47 static int processor_level() {
48 assert(is_nt(), "use vm_version instead");
49 return _processor_level;
50 }
51 static julong available_memory();
52 static julong physical_memory() { return _physical_memory; }
53
54 public:
55 // Generic interface:
56
57 // Trace number of created threads
58 static intx _os_thread_limit;
59 static volatile intx _os_thread_count;
60
61 // Tells whether the platform is NT or Windown95
62 static bool is_nt() { return _is_nt; }
63
64 // Tells whether the platform is Windows 2003
65 static bool is_windows_2003() { return _is_windows_2003; }
66
67 // Returns the byte size of a virtual memory page
68 static int vm_page_size() { return _vm_page_size; }
69
70 // Returns the size in bytes of memory blocks which can be allocated.
71 static int vm_allocation_granularity() { return _vm_allocation_granularity; }
72
73 // Read the headers for the executable that started the current process into
74 // the structure passed in (see winnt.h).
75 static void read_executable_headers(PIMAGE_NT_HEADERS);
76
77 // Default stack size for the current process.
78 static size_t default_stack_size() { return _default_stack_size; }
79
80 #ifndef _WIN64
81 // A wrapper to install a structured exception handler for fast JNI accesors.
82 static address fast_jni_accessor_wrapper(BasicType);
83 #endif
84
85 // filter function to ignore faults on serializations page
86 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
107 int fired() { return _Event; }
108 void park () ;
109 void unpark () ;
110 int park (jlong millis) ;
111 } ;
112
113
114
115 class PlatformParker : public CHeapObj {
116 protected:
117 HANDLE _ParkEvent ;
118
119 public:
120 ~PlatformParker () { guarantee (0, "invariant") ; }
121 PlatformParker () {
122 _ParkEvent = CreateEvent (NULL, true, false, NULL) ;
123 guarantee (_ParkEvent != NULL, "invariant") ;
124 }
125
126 } ;
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