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newlib/winsup/cygwin/wincap.cc

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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 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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:false,
has_unreliable_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
};
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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
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
};
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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
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
};
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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
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
};
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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
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
};
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_hard_links:false,
can_open_directories:false,
has_move_file_ex:false,
has_negative_pids:true,
has_unreliable_pipes:true,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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_hard_links:true,
can_open_directories:true,
has_move_file_ex:true,
has_negative_pids:false,
has_unreliable_pipes:false,
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
};
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;
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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