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comparison src/share/vm/runtime/os.hpp @ 1123:167c2986d91b

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6843629: Make current hotspot build part of jdk5 control build Summary: Source changes for older compilers plus makefile changes. Reviewed-by: xlu
author phh
date Wed, 16 Dec 2009 12:54:49 -0500
parents 8e7adf982378
children 3b3d12e645e7
comparison
equal deleted inserted replaced
1122:dcb15a6f342d 1123:167c2986d91b
58 58
59 // Typedef for structured exception handling support 59 // Typedef for structured exception handling support
60 typedef void (*java_call_t)(JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread); 60 typedef void (*java_call_t)(JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread);
61 61
62 class os: AllStatic { 62 class os: AllStatic {
63 public:
64 enum { page_sizes_max = 9 }; // Size of _page_sizes array (8 plus a sentinel)
65
63 private: 66 private:
64 enum { page_sizes_max = 9 }; // Size of _page_sizes array (8 plus a sentinel)
65
66 static OSThread* _starting_thread; 67 static OSThread* _starting_thread;
67 static address _polling_page; 68 static address _polling_page;
68 static volatile int32_t * _mem_serialize_page; 69 static volatile int32_t * _mem_serialize_page;
69 static uintptr_t _serialize_page_mask; 70 static uintptr_t _serialize_page_mask;
71 public:
70 static size_t _page_sizes[page_sizes_max]; 72 static size_t _page_sizes[page_sizes_max];
71 73
74 private:
72 static void init_page_sizes(size_t default_page_size) { 75 static void init_page_sizes(size_t default_page_size) {
73 _page_sizes[0] = default_page_size; 76 _page_sizes[0] = default_page_size;
74 _page_sizes[1] = 0; // sentinel 77 _page_sizes[1] = 0; // sentinel
75 } 78 }
76 79
77 public: 80 public:
78 81 static void init(void); // Called before command line parsing
79 static void init(void); // Called before command line parsing 82 static jint init_2(void); // Called after command line parsing
80 static jint init_2(void); // Called after command line parsing
81 83
82 // File names are case-insensitive on windows only 84 // File names are case-insensitive on windows only
83 // Override me as needed 85 // Override me as needed
84 static int file_name_strcmp(const char* s1, const char* s2); 86 static int file_name_strcmp(const char* s1, const char* s2);
85 87
139 141
140 // number of CPUs 142 // number of CPUs
141 static int processor_count() { 143 static int processor_count() {
142 return _processor_count; 144 return _processor_count;
143 } 145 }
146 static void set_processor_count(int count) { _processor_count = count; }
144 147
145 // Returns the number of CPUs this process is currently allowed to run on. 148 // Returns the number of CPUs this process is currently allowed to run on.
146 // Note that on some OSes this can change dynamically. 149 // Note that on some OSes this can change dynamically.
147 static int active_processor_count(); 150 static int active_processor_count();
148 151