26
27 #ifndef OS_POSIX_VM_OS_POSIX_HPP
28 #define OS_POSIX_VM_OS_POSIX_HPP
29
30 // File conventions
31 static const char* file_separator() { return "/"; }
32 static const char* line_separator() { return "\n"; }
33 static const char* path_separator() { return ":"; }
34
35 class Posix {
36 friend class os;
37
38 protected:
39 static void print_distro_info(outputStream* st);
40 static void print_rlimit_info(outputStream* st);
41 static void print_uname_info(outputStream* st);
42 static void print_libversion_info(outputStream* st);
43 static void print_load_average(outputStream* st);
44
45 // Minimum stack size a thread can be created with (allowing
46 // the VM to completely create the thread and enter user code)
47 static size_t _compiler_thread_min_stack_allowed;
48 static size_t _java_thread_min_stack_allowed;
49 static size_t _vm_internal_thread_min_stack_allowed;
50
51 public:
52 // Return default stack size for the specified thread type
53 static size_t default_stack_size(os::ThreadType thr_type);
54 // Check and sets minimum stack sizes
55 static jint set_minimum_stack_sizes();
56 static size_t get_initial_stack_size(ThreadType thr_type, size_t req_stack_size);
57
58 // Returns true if signal is valid.
59 static bool is_valid_signal(int sig);
60
61 // Helper function, returns a string (e.g. "SIGILL") for a signal.
62 // Returned string is a constant. For unknown signals "UNKNOWN" is returned.
63 static const char* get_signal_name(int sig, char* out, size_t outlen);
64
65 // Helper function, returns a signal number for a given signal name, e.g. 11
66 // for "SIGSEGV". Name can be given with or without "SIG" prefix, so both
|
26
27 #ifndef OS_POSIX_VM_OS_POSIX_HPP
28 #define OS_POSIX_VM_OS_POSIX_HPP
29
30 // File conventions
31 static const char* file_separator() { return "/"; }
32 static const char* line_separator() { return "\n"; }
33 static const char* path_separator() { return ":"; }
34
35 class Posix {
36 friend class os;
37
38 protected:
39 static void print_distro_info(outputStream* st);
40 static void print_rlimit_info(outputStream* st);
41 static void print_uname_info(outputStream* st);
42 static void print_libversion_info(outputStream* st);
43 static void print_load_average(outputStream* st);
44
45 // Minimum stack size a thread can be created with (allowing
46 // the VM to completely create the thread and enter user code).
47 // The initial values exclude any guard pages (by HotSpot or libc).
48 // Set_minimum_stack_sizes() will add the size required for
49 // HotSpot guard pages depending on page size and flag settings.
50 // Libc guard pages are never considered by these values.
51 static size_t _compiler_thread_min_stack_allowed;
52 static size_t _java_thread_min_stack_allowed;
53 static size_t _vm_internal_thread_min_stack_allowed;
54
55 public:
56 // Return default stack size for the specified thread type
57 static size_t default_stack_size(os::ThreadType thr_type);
58 // Check and sets minimum stack sizes
59 static jint set_minimum_stack_sizes();
60 static size_t get_initial_stack_size(ThreadType thr_type, size_t req_stack_size);
61
62 // Returns true if signal is valid.
63 static bool is_valid_signal(int sig);
64
65 // Helper function, returns a string (e.g. "SIGILL") for a signal.
66 // Returned string is a constant. For unknown signals "UNKNOWN" is returned.
67 static const char* get_signal_name(int sig, char* out, size_t outlen);
68
69 // Helper function, returns a signal number for a given signal name, e.g. 11
70 // for "SIGSEGV". Name can be given with or without "SIG" prefix, so both
|