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newlib/winsup/cygwin/wincap.cc
Corinna Vinschen f90e23f271 * autoload.cc (NtCreateSection): Define. 
* cygheap.cc (_csbrk): Call getpagesize instead of getshmlba.
	* dcrt0.cc (dll_crt0_0): Call mmap_init.
	* external.cc (cygwin_internal): Call getpagesize instead of getshmlba.
	* fhandler.h (fhandler_base::mmap): Change access to prot parameter.
	(fhandler_base::fixup_mmap_after_fork): Ditto.
	(fhandler_disk_file::mmap): Ditto.
	(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
	(fhandler_dev_mem::mmap): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::write): Call getsystempagesize
	instead of getpagesize.
	(fhandler_dev_mem::read): Ditto.
	(fhandler_dev_mem::fstat): Ditto.
	(fhandler_dev_mem::mmap): Move to mmap.cc.
	(fhandler_dev_mem::munmap): Ditto.
	(fhandler_dev_mem::msync): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
	* fhandler_proc.cc (format_proc_meminfo): Call getsystempagesize
	instead of getpagesize.
	* fhandler_process.cc (format_process_stat): Ditto.
	(format_process_status): Ditto.
	(get_mem_values): Ditto.
	* mmap.cc: Fix formatting.  Try to make more readable and modular.
	Take advantage of pagesize==granularity.
	(gen_protect): New static function to evaluate Windows
	protection bits from POSIX protection and flags.
	(gen_access): Ditto for Windows access mode.
	(VirtualProt9x): Wrapper function to call VirtualProtect on 9x.
	(VirtualProtNT): Ditto for NT.
	(VirtualProtEx9x): Ditto for VirtualProtectEx on 9x.
	(VirtualProtExNT): Ditto for NT.
	(CreateMapping9x): Wrapper function for creating a mapping handle on 9x.
	(CreateMappingNT): Ditto for NT.
	(MapView9x): Wrapper function to map a view on 9x.
	(MapViewNT): Ditto for NT.
	(mmap_funcs_9x): Structure containing function pointers to wrapper
	functions for 9x.
	(mmap_funcs_nt): Ditto for NT.
	(mmap_func): Pointer to wrapper functions used in subsequent code.
	(mmap_init): Initialize mmap_func depending on OS.
	(class mmap_record): Use sensible member names.  Add POSIX protection
	member. Drop Windows access flags member.  Constify more methods.
	Use accessors instead of direct member access inside of own methods.
	(mmap_record::gen_protect): Class wrapper to evaluate matching
	Windows protection bits.
	(mmap_record::gen_access): Ditto for Windows access flags.
	(mmap_record::compatible_flags): New function to check if flags are
	compatible with flags of existing map.
	(list::add_record): Drop offset and length arguments.
	(class map): Change counters to unsigned.  Match usage throughout.
	(mmapped_areas): Convert from pointer to global struct.
	(mmap_record::alloc_page_map): Simplify.
	(mmap_record::map_pages): Ditto.
	(mmap_record::fixup_page_map): Delete.
	(mmap64): Simplify.  Add workaround for Windows 98 bug.  Fix bug on
	NT that existing anonymous mappings weren't searched for a match.
	(munmap): Add workaround for Windows 98 bug.
	(msync): Simplify.
	(mprotect): Handle existing maps correctly.
	(mlock): Add local pagesize variable and enlightening comment.
	(fhandler_disk_file::mmap): Main functionality now in CreateMapping/
	MapView wrapper functions.
	(fhandler_disk_file::fixup_mmap_after_fork): Call MapView wrapper.
	(fhandler_dev_mem::mmap): Moved from fhandler_mem.cc.  Simplify by
	calling MapViewNT.
	(fhandler_dev_mem::munmap): Moved from fhandler_mem.cc.
	(fhandler_dev_mem::msync): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.  Call MapViewNT.
	(fixup_mmaps_after_fork): Restructure and hopefully speed up loop for
	setting protection and memory content on MAP_PRIVATE maps.
	* ntdll.h (AT_ROUND_TO_PAGE): Remove define.
	(AT_EXTENDABLE_FILE): Add define.
	(NtCreateSection): Add prototype.
	* syscalls.cc (getpagesize): Return granularity as pagesize now.
	(getsystempagesize): New function to retrieve "real" pagesize.
	(getshmlba): Delete since it's replaced by getpagesize now.
	* wincap.h (wincaps::has_mmap_alignment_bug): New element.
	* wincap.cc: Implement above element throughout.
	* winsup.h (getshmlba): Drop prototype.
	(getsystempagesize): Add prototype.
	(mmap_init): Ditto.
	* include/sys/mman.h: (Not yet) define MAP_NORESERVE.
2005-11-28 22:32:29 +00:00

832 lines
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/* wincap.cc -- figure out on which OS we're running. Set the
capability class to the appropriate values.
Copyright 2001, 2002, 2003, 2004, 2005 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
static NO_COPY wincaps wincap_unknown = {
lock_file_highword:0x0,
chunksize:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:false,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:false,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:false,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:false,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_95 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:true,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:true,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:false,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:true,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:true,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:false,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:false,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:true,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_95osr2 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:true,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:true,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:false,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:true,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:true,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:false,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:false,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:true,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_98 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:true,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:true,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:true,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:true,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:true,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:true,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:true,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:true,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_98se = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:true,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:true,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:true,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:true,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:true,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:true,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:true,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:true,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_me = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
access_denied_on_delete:true,
has_delete_on_close:false,
has_page_guard:false,
has_security:false,
has_security_descriptor_control:false,
has_get_process_times:false,
has_lseek_bug:true,
has_lock_file_ex:false,
has_signal_object_and_wait:false,
has_eventlog:false,
has_ip_helper_lib:true,
has_set_handle_information:false,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:true,
altgr_is_ctrl_alt:false,
has_physical_mem_access:false,
has_working_copy_on_write:false,
share_mmaps_only_by_name:true,
virtual_protect_works_on_shared_pages:false,
has_mmap_alignment_bug:false,
has_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
has_named_pipes:false,
has_try_enter_critical_section:false,
has_raw_devices:false,
has_valid_processorlevel:true,
has_64bit_file_access:false,
has_process_io_counters:false,
supports_reading_modem_output_lines:false,
needs_memory_protection:false,
pty_needs_alloc_console:false,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:true,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:true,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:true,
has_null_console_handler_routine:false,
has_disk_ex_ioctls:false,
has_working_virtual_lock:false
};
static NO_COPY wincaps wincap_nt3 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:false,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:false,
has_eventlog:true,
has_ip_helper_lib:false,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:false,
supports_smp:false,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:false,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:false,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:false,
has_switch_to_thread:false,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:false,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:false,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_nt4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:false,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:false,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:false,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:false,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:false,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:false,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:false,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_nt4sp4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:false,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:true,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:false,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:false,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:false,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:false,
has_extended_priority_class:false,
has_guid_volumes:false,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:false,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_2000 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:true,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:true,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:true,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:true,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:true,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:false,
start_proc_suspended:false,
has_extended_priority_class:true,
has_guid_volumes:true,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:false,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_xp = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:true,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:true,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:true,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:true,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:true,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:true,
start_proc_suspended:false,
has_extended_priority_class:true,
has_guid_volumes:true,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:true,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_2003 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:true,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:true,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:true,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:true,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:true,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:true,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:true,
start_proc_suspended:false,
has_extended_priority_class:true,
has_guid_volumes:true,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:true,
has_working_virtual_lock:true
};
static NO_COPY wincaps wincap_vista = {
lock_file_highword:UINT32_MAX,
chunksize:0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:true,
access_denied_on_delete:false,
has_delete_on_close:true,
has_page_guard:true,
has_security:true,
has_security_descriptor_control:true,
has_get_process_times:true,
has_lseek_bug:false,
has_lock_file_ex:true,
has_signal_object_and_wait:true,
has_eventlog:true,
has_ip_helper_lib:true,
has_set_handle_information:true,
has_set_handle_information_on_console_handles:true,
supports_smp:true,
map_view_of_file_ex_sucks:false,
altgr_is_ctrl_alt:true,
has_physical_mem_access:true,
has_working_copy_on_write:true,
share_mmaps_only_by_name:false,
virtual_protect_works_on_shared_pages:true,
has_mmap_alignment_bug:false,
has_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
has_named_pipes:true,
has_try_enter_critical_section:true,
has_raw_devices:true,
has_valid_processorlevel:true,
has_64bit_file_access:true,
has_process_io_counters:true,
supports_reading_modem_output_lines:true,
needs_memory_protection:true,
pty_needs_alloc_console:true,
has_terminal_services:true,
has_switch_to_thread:true,
cant_debug_dll_entry:false,
has_ioctl_storage_get_media_types_ex:true,
start_proc_suspended:false,
has_extended_priority_class:true,
has_guid_volumes:true,
detect_win16_exe:false,
has_null_console_handler_routine:true,
has_disk_ex_ioctls:true,
has_working_virtual_lock:true
};
wincapc wincap;
void
wincapc::init ()
{
const char *os;
bool has_osversioninfoex = false;
if (caps)
return; // already initialized
memset (&version, 0, sizeof version);
/* Request simple version info first. */
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version));
switch (version.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
switch (version.dwMajorVersion)
{
case 3:
os = "NT";
caps = &wincap_nt3;
break;
case 4:
os = "NT";
if (strcmp (version.szCSDVersion, "Service Pack 4") < 0)
caps = &wincap_nt4;
else
{
caps = &wincap_nt4sp4;
if (strcmp (version.szCSDVersion, "Service Pack 6") >= 0)
has_osversioninfoex = true;
}
break;
case 5:
os = "NT";
has_osversioninfoex = true;
switch (version.dwMinorVersion)
{
case 0:
caps = &wincap_2000;
break;
case 1:
caps = &wincap_xp;
break;
default:
caps = &wincap_2003;
}
break;
case 6:
os = "NT";
has_osversioninfoex = true;
caps = &wincap_vista;
break;
default:
os = "??";
caps = &wincap_unknown;
break;
}
break;
case VER_PLATFORM_WIN32_WINDOWS:
switch (version.dwMinorVersion)
{
case 0:
os = "95";
if (strchr (version.szCSDVersion, 'C'))
caps = &wincap_95osr2;
else
caps = &wincap_95;
break;
case 10:
os = "98";
if (strchr (version.szCSDVersion, 'A'))
caps = &wincap_98se;
else
caps = &wincap_98;
break;
case 90:
os = "ME";
caps = &wincap_me;
break;
default:
os = "??";
caps = &wincap_unknown;
break;
}
break;
default:
os = "??";
caps = &wincap_unknown;
break;
}
if (has_osversioninfoex)
{
/* Request extended version to get server info.
Available since NT4 SP6. */
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version));
if (version.wProductType != VER_NT_WORKSTATION)
((wincaps *)this->caps)->is_server = true;
}
__small_sprintf (osnam, "%s-%d.%d", os, version.dwMajorVersion,
version.dwMinorVersion);
}
void
wincapc::set_chunksize (DWORD nchunksize)
{
((wincaps *)this->caps)->chunksize = nchunksize;
}
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