* net.cc (get_adapters_addresses): Only create thread on affected
systems. Change comment acordingly. * wincap.h (wincaps::has_gaa_largeaddress_bug): New element. * wincap.cc: Implement above element throughout. (wincap_8): New globale wincaps to support Windows 8. (wincapc::init): Take Windows 8 into account. Set new has_gaa_largeaddress_bug member to false on 32 bit systems.
This commit is contained in:
Corinna Vinschen
parent
e32a14ca19
commit
00a76ece10
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@ -1,3 +1,13 @@
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2012-05-03 Corinna Vinschen <corinna@vinschen.de>
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* net.cc (get_adapters_addresses): Only create thread on affected
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systems. Change comment acordingly.
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* wincap.h (wincaps::has_gaa_largeaddress_bug): New element.
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* wincap.cc: Implement above element throughout.
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(wincap_8): New globale wincaps to support Windows 8.
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(wincapc::init): Take Windows 8 into account. Set new
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has_gaa_largeaddress_bug member to false on 32 bit systems.
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2012-05-02 Christopher Faylor <me.cygwin2012@cgf.cx>
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* DevNotes: New file. Add entry cgf-000001.
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@ -1695,13 +1695,17 @@ get_adapters_addresses (PIP_ADAPTER_ADDRESSES *pa_ret, ULONG family)
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DWORD ret;
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gaa_wa param = { family, pa_ret ?: NULL };
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if ((uintptr_t) ¶m >= (uintptr_t) 0x80000000L)
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if ((uintptr_t) ¶m >= (uintptr_t) 0x80000000L
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&& wincap.has_gaa_largeaddress_bug ())
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{
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/* Starting with Windows Vista, GetAdaptersAddresses fails with error 998,
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/* In Windows Vista and Windows 7 under WOW64, GetAdaptersAddresses fails
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if it's running in a thread with a stack located in the large address
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area. So, if we're running in a pthread with such a stack, we call
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GetAdaptersAddresses in a child thread with an OS-allocated stack,
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which is guaranteed to be located in the lower address area. */
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GetAdaptersAddresses in a child thread with an OS-allocated stack.
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The OS allocates stacks bottom up, so chances are good that the new
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stack will be located in the lower address area.
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FIXME: The problem is fixed in W8CP, but needs testing before W8 goes
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gold. */
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HANDLE thr = CreateThread (NULL, 0, call_gaa, ¶m, 0, NULL);
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if (!thr)
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{
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@ -37,6 +37,7 @@ wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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@ -71,6 +72,7 @@ wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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@ -105,6 +107,7 @@ wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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@ -139,6 +142,7 @@ wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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@ -173,6 +177,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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@ -207,6 +212,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:true,
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has_transactions:false,
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@ -241,6 +247,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:true,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:true,
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has_gaa_largeaddress_bug:true,
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supports_all_posix_ai_flags:true,
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has_restricted_stack_args:false,
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has_transactions:true,
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@ -275,6 +282,42 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_recycle_dot_bin:true,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:true,
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has_gaa_largeaddress_bug:true,
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supports_all_posix_ai_flags:true,
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has_restricted_stack_args:false,
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has_transactions:true,
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has_recvmsg:true,
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has_sendmsg:true,
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has_broken_udf:false,
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has_console_handle_problem:true,
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has_broken_alloc_console:true,
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has_always_all_codepages:true,
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has_localenames:true,
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has_fast_cwd:true,
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has_restricted_raw_disk_access:true,
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use_dont_resolve_hack:false,
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has_stack_size_param_is_a_reservation:true,
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has_console_logon_sid:true,
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wow64_has_secondary_stack:false,
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has_program_compatibility_assistant:true,
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kernel_is_always_casesensitive:false,
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};
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wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:false,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:true,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:true,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:true,
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has_gaa_largeaddress_bug:false,
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supports_all_posix_ai_flags:true,
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has_restricted_stack_args:false,
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has_transactions:true,
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@ -352,9 +395,12 @@ wincapc::init ()
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case 0:
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caps = &wincap_vista;
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break;
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default:
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case 1:
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caps = &wincap_7;
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break;
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default:
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caps = &wincap_8;
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break;
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}
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break;
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default:
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@ -381,6 +427,7 @@ wincapc::init ()
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((wincaps *)caps)->needs_count_in_si_lpres2 = false;
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((wincaps *)caps)->has_restricted_stack_args = false;
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((wincaps *)caps)->wow64_has_secondary_stack = false;
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((wincaps *)caps)->has_gaa_largeaddress_bug = false;
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}
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__small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion,
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@ -27,6 +27,7 @@ struct wincaps
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unsigned has_recycle_dot_bin : 1;
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unsigned has_gaa_prefixes : 1;
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unsigned has_gaa_on_link_prefix : 1;
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unsigned has_gaa_largeaddress_bug : 1;
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unsigned supports_all_posix_ai_flags : 1;
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unsigned has_restricted_stack_args : 1;
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unsigned has_transactions : 1;
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@ -80,6 +81,7 @@ public:
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bool IMPLEMENT (has_recycle_dot_bin)
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bool IMPLEMENT (has_gaa_prefixes)
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bool IMPLEMENT (has_gaa_on_link_prefix)
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bool IMPLEMENT (has_gaa_largeaddress_bug)
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bool IMPLEMENT (supports_all_posix_ai_flags)
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bool IMPLEMENT (has_restricted_stack_args)
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bool IMPLEMENT (has_transactions)
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