newlib-cygwin/winsup/cygwin/wincap.cc

561 lines
16 KiB
C++

/* wincap.cc -- figure out on which OS we're running. Set the
capability class to the appropriate values.
Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 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"
/* Minimal set of capabilities which is equivalent to NT4. */
static NO_COPY wincaps wincap_unknown = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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,
has_disabled_user_tos_setting:false,
has_fileid_dirinfo:false,
has_exclusiveaddruse:false,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:false,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_nt4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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,
has_disabled_user_tos_setting:false,
has_fileid_dirinfo:false,
has_exclusiveaddruse:false,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:false,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_nt4sp4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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,
has_disabled_user_tos_setting:false,
has_fileid_dirinfo:false,
has_exclusiveaddruse:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:false,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_2000 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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,
has_disabled_user_tos_setting:true,
has_fileid_dirinfo:true,
has_exclusiveaddruse:true,
has_buggy_restart_scan:true,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:false,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_xp = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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,
has_disabled_user_tos_setting:true,
has_fileid_dirinfo:true,
has_exclusiveaddruse:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:true,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_2003 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x4,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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:false,
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,
has_disabled_user_tos_setting:true,
has_fileid_dirinfo:true,
has_exclusiveaddruse:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:true,
has_gaa_on_link_prefix:false,
supports_all_posix_ai_flags:false,
};
static NO_COPY wincaps wincap_vista = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x4,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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:false,
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,
has_disabled_user_tos_setting:true,
has_fileid_dirinfo:true,
has_exclusiveaddruse:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:true,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:true,
has_recycle_dot_bin:true,
has_gaa_prefixes:true,
has_gaa_on_link_prefix:true,
supports_all_posix_ai_flags:true,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
void
wincapc::init ()
{
const char *os;
bool has_osversioninfoex = true;
if (caps)
return; // already initialized
memset (&version, 0, sizeof version);
/* Request versionex info first, which is available on all systems since
NT4 SP6 anyway. If that fails, call the simple version. */
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
if (!GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version)))
{
has_osversioninfoex = false;
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version));
}
switch (version.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
switch (version.dwMajorVersion)
{
case 4:
os = "NT";
if (!has_osversioninfoex
&& strcmp (version.szCSDVersion, "Service Pack 4") < 0)
caps = &wincap_nt4;
else
caps = &wincap_nt4sp4;
break;
case 5:
os = "NT";
switch (version.dwMinorVersion)
{
case 0:
caps = &wincap_2000;
break;
case 1:
caps = &wincap_xp;
if (version.wServicePackMajor < 1)
((wincaps *)this->caps)->has_gaa_prefixes = false;
break;
default:
caps = &wincap_2003;
}
break;
case 6:
os = "NT";
caps = &wincap_vista;
break;
default:
os = "??";
caps = &wincap_unknown;
break;
}
break;
case VER_PLATFORM_WIN32_WINDOWS:
/* This is just preliminary. */
api_fatal ("Windows 95/98/Me are not supported.");
break;
default:
os = "??";
caps = &wincap_unknown;
break;
}
if (has_osversioninfoex && version.wProductType != VER_NT_WORKSTATION)
((wincaps *)this->caps)->is_server = true;
BOOL is_wow64_proc = FALSE;
if (IsWow64Process (GetCurrentProcess (), &is_wow64_proc))
wow64 = is_wow64_proc;
else
((wincaps *)this->caps)->needs_count_in_si_lpres2 = false;
__small_sprintf (osnam, "%s-%d.%d", os, version.dwMajorVersion,
version.dwMinorVersion);
}
void
wincapc::set_chunksize (DWORD nchunksize)
{
((wincaps *)this->caps)->chunksize = nchunksize;
}