81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/* wincap.h: Header for OS capability class.
|
|
|
|
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. */
|
|
|
|
#ifndef _WINCAP_H
|
|
#define _WINCAP_H
|
|
|
|
struct wincaps
|
|
{
|
|
DWORD def_guard_pages;
|
|
DWORD max_sys_priv;
|
|
unsigned is_server : 1;
|
|
unsigned needs_count_in_si_lpres2 : 1;
|
|
unsigned has_gaa_largeaddress_bug : 1;
|
|
unsigned has_broken_alloc_console : 1;
|
|
unsigned has_console_logon_sid : 1;
|
|
unsigned has_pipe_reject_remote_clients : 1;
|
|
unsigned terminate_thread_frees_stack : 1;
|
|
unsigned has_precise_system_time : 1;
|
|
unsigned has_microsoft_accounts : 1;
|
|
unsigned has_broken_rtl_query_process_debug_information : 1;
|
|
unsigned has_processor_groups : 1;
|
|
unsigned has_broken_prefetchvm : 1;
|
|
unsigned has_new_pebteb_region : 1;
|
|
unsigned has_broken_whoami : 1;
|
|
};
|
|
|
|
class wincapc
|
|
{
|
|
SYSTEM_INFO system_info;
|
|
RTL_OSVERSIONINFOEXW version;
|
|
char osnam[40];
|
|
ULONG_PTR wow64;
|
|
void *caps;
|
|
|
|
public:
|
|
void init ();
|
|
|
|
const DWORD cpu_count () const { return system_info.dwNumberOfProcessors; }
|
|
/* The casts to size_t make sure that the returned value has the size of
|
|
a pointer on any system. This is important when using them for bit
|
|
mask operations, like in roundup2. */
|
|
const size_t page_size () const { return (size_t) system_info.dwPageSize; }
|
|
const size_t allocation_granularity () const
|
|
{ return (size_t) system_info.dwAllocationGranularity; }
|
|
const char *osname () const { return osnam; }
|
|
const bool is_wow64 () const { return !!wow64; }
|
|
|
|
#define IMPLEMENT(cap) cap() const { return ((wincaps *) this->caps)->cap; }
|
|
|
|
DWORD def_guard_page_size () const
|
|
{
|
|
return ((wincaps *) this->caps)->def_guard_pages * page_size ();
|
|
}
|
|
DWORD IMPLEMENT (max_sys_priv)
|
|
bool IMPLEMENT (is_server)
|
|
bool IMPLEMENT (needs_count_in_si_lpres2)
|
|
bool IMPLEMENT (has_gaa_largeaddress_bug)
|
|
bool IMPLEMENT (has_broken_alloc_console)
|
|
bool IMPLEMENT (has_console_logon_sid)
|
|
bool IMPLEMENT (has_pipe_reject_remote_clients)
|
|
bool IMPLEMENT (terminate_thread_frees_stack)
|
|
bool IMPLEMENT (has_precise_system_time)
|
|
bool IMPLEMENT (has_microsoft_accounts)
|
|
bool IMPLEMENT (has_broken_rtl_query_process_debug_information)
|
|
bool IMPLEMENT (has_processor_groups)
|
|
bool IMPLEMENT (has_broken_prefetchvm)
|
|
bool IMPLEMENT (has_new_pebteb_region)
|
|
bool IMPLEMENT (has_broken_whoami)
|
|
|
|
#undef IMPLEMENT
|
|
};
|
|
|
|
extern wincapc wincap;
|
|
|
|
#endif /* _WINCAP_H */
|