114 static julong available_memory();
115 static julong physical_memory() { return _physical_memory; }
116 static void initialize_system_info();
117
118 // OS recognitions (PASE/AIX, OS level) call this before calling any
119 // one of Aix::on_pase(), Aix::os_version().
120 static void initialize_os_info();
121
122 // Scan environment for important settings which might effect the
123 // VM. Trace out settings. Warn about invalid settings and/or
124 // correct them.
125 //
126 // Must run after os::Aix::initialue_os_info().
127 static void scan_environment();
128
129 // Initialize libo4 (on PASE) and libperfstat (on AIX). Call this
130 // before relying on functions from either lib, e.g. Aix::get_meminfo().
131 static void initialize_libo4();
132 static void initialize_libperfstat();
133
134 static bool supports_variable_stack_size();
135
136 public:
137 static void init_thread_fpu_state();
138 static pthread_t main_thread(void) { return _main_thread; }
139 // returns kernel thread id (similar to LWP id on Solaris), which can be
140 // used to access /proc
141 static pid_t gettid();
142 static void set_createThread_lock(Mutex* lk) { _createThread_lock = lk; }
143 static Mutex* createThread_lock(void) { return _createThread_lock; }
144 static void hotspot_sigmask(Thread* thread);
145
146 // Given an address, returns the size of the page backing that address
147 static size_t query_pagesize(void* p);
148
149 // Return `true' if the calling thread is the primordial thread. The
150 // primordial thread is the thread which contains the main function,
151 // *not* necessarily the thread which initialized the VM by calling
152 // JNI_CreateJavaVM.
153 static bool is_primordial_thread(void);
154
155 static int page_size(void) {
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114 static julong available_memory();
115 static julong physical_memory() { return _physical_memory; }
116 static void initialize_system_info();
117
118 // OS recognitions (PASE/AIX, OS level) call this before calling any
119 // one of Aix::on_pase(), Aix::os_version().
120 static void initialize_os_info();
121
122 // Scan environment for important settings which might effect the
123 // VM. Trace out settings. Warn about invalid settings and/or
124 // correct them.
125 //
126 // Must run after os::Aix::initialue_os_info().
127 static void scan_environment();
128
129 // Initialize libo4 (on PASE) and libperfstat (on AIX). Call this
130 // before relying on functions from either lib, e.g. Aix::get_meminfo().
131 static void initialize_libo4();
132 static void initialize_libperfstat();
133
134 public:
135 static void init_thread_fpu_state();
136 static pthread_t main_thread(void) { return _main_thread; }
137 // returns kernel thread id (similar to LWP id on Solaris), which can be
138 // used to access /proc
139 static pid_t gettid();
140 static void set_createThread_lock(Mutex* lk) { _createThread_lock = lk; }
141 static Mutex* createThread_lock(void) { return _createThread_lock; }
142 static void hotspot_sigmask(Thread* thread);
143
144 // Given an address, returns the size of the page backing that address
145 static size_t query_pagesize(void* p);
146
147 // Return `true' if the calling thread is the primordial thread. The
148 // primordial thread is the thread which contains the main function,
149 // *not* necessarily the thread which initialized the VM by calling
150 // JNI_CreateJavaVM.
151 static bool is_primordial_thread(void);
152
153 static int page_size(void) {
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