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Cygwin: drop wincap::needs_query_information 

Only required for Windows 7 and 8.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2022-11-15 17:10:57 +01:00
parent b541558b7a
commit 48953788b3
3 changed files with 1 additions and 22 deletions
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2
winsup/cygwin/local_includes/wincap.h
View File

@ -17,7 +17,6 @@ struct wincaps
ops generated by gcc are off by 4 bytes. */
struct __attribute__ ((aligned (8))) {
unsigned is_server : 1;
unsigned needs_query_information : 1;
unsigned has_precise_system_time : 1;
unsigned has_microsoft_accounts : 1;
unsigned has_new_pebteb_region : 1;
@ -76,7 +75,6 @@ public:
}
intptr_t IMPLEMENT (mmap_storage_high)
bool IMPLEMENT (is_server)
bool IMPLEMENT (needs_query_information)
bool IMPLEMENT (has_precise_system_time)
bool IMPLEMENT (has_microsoft_accounts)
bool IMPLEMENT (has_new_pebteb_region)

9
winsup/cygwin/sigproc.cc
View File

@ -846,14 +846,7 @@ child_info::child_info (unsigned in_cb, child_info_types chtype,
DWORD perms = PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ
| PROCESS_VM_OPERATION | SYNCHRONIZE;
if (type == _CH_FORK)
{
perms |= PROCESS_DUP_HANDLE;
/* VirtualQueryEx is documented to require PROCESS_QUERY_INFORMATION.
That's true for Windows 7, but PROCESS_QUERY_LIMITED_INFORMATION
appears to be sufficient on Windows 8 and later. */
if (wincap.needs_query_information ())
perms |= PROCESS_QUERY_INFORMATION;
}
perms |= PROCESS_DUP_HANDLE;
if (!DuplicateHandle (GetCurrentProcess (), GetCurrentProcess (),
GetCurrentProcess (), &parent, perms, TRUE, 0))

12
winsup/cygwin/wincap.cc
View File

@ -24,7 +24,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
mmap_storage_high:__MMAP_STORAGE_HIGH_LEGACY,
{
is_server:false,
needs_query_information:true,
has_precise_system_time:false,
has_microsoft_accounts:false,
has_new_pebteb_region:false,
@ -55,7 +54,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
mmap_storage_high:__MMAP_STORAGE_HIGH_LEGACY,
{
is_server:false,
needs_query_information:true,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:false,
@ -86,7 +84,6 @@ wincaps wincap_8_1 __attribute__((section (".cygwin_dll_common"), shared)) = {
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:false,
@ -117,7 +114,6 @@ wincaps wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared))
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:false,
@ -148,7 +144,6 @@ wincaps wincap_10_1607 __attribute__((section (".cygwin_dll_common"), shared))
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:false,
@ -179,7 +174,6 @@ wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -210,7 +204,6 @@ wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -241,7 +234,6 @@ wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -272,7 +264,6 @@ wincaps wincap_10_1809 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -303,7 +294,6 @@ wincaps wincap_10_1903 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -334,7 +324,6 @@ wincaps wincap_10_2004 __attribute__((section (".cygwin_dll_common"), shared)) =
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,
@ -365,7 +354,6 @@ wincaps wincap_11 __attribute__((section (".cygwin_dll_common"), shared)) = {
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
has_precise_system_time:true,
has_microsoft_accounts:true,
has_new_pebteb_region:true,