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Disable fetching heap info on 64 bit XP/2003

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* fhandler_process.cc (heap_info::heap_info): Disable fetching heap info
        on 64 bit XP/2003.  Explain why.
        * wincap.h (wincaps::has_broken_rtl_query_process_debug_information):
        New element.
        * wincap.cc: Implement above element throughout.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2015-07-05 12:51:52 +02:00
parent f0464fbf9d
commit e426213a88
5 changed files with 27 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
winsup/cygwin/wincap.cc
View File

@@ -48,6 +48,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:false,
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:false,
has_broken_rtl_query_process_debug_information:false,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -78,6 +79,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:false,
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:true,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -108,6 +110,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:false,
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -138,6 +141,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:false,
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
};
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -168,6 +172,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:true,
has_microsoft_accounts:true,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
};
wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -198,6 +203,7 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_precise_system_time:true,
has_microsoft_accounts:true,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
@@ -255,6 +261,10 @@ wincapc::init ()
/* 64 bit systems have one more guard page than their 32 bit counterpart. */
++((wincaps *)caps)->def_guard_pages;
#else
/* RtlQueryProcessDebugInformation/CreateToolhelp32Snapshot both crash the
target process on 64 bit XP/2003 in native 64 bit mode only. Reset the
flag here for 32 bit. */
((wincaps *)caps)->has_broken_rtl_query_process_debug_information = false;
if (NT_SUCCESS (NtQueryInformationProcess (NtCurrentProcess (),
ProcessWow64Information,
&wow64, sizeof wow64, NULL))