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/* 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 has_mandatory_integrity_control : 1;
unsigned needs_count_in_si_lpres2 : 1;
unsigned has_recycle_dot_bin : 1;
unsigned has_gaa_on_link_prefix : 1;
unsigned has_gaa_largeaddress_bug : 1;
unsigned supports_all_posix_ai_flags : 1;
unsigned has_restricted_stack_args : 1;
unsigned has_transactions : 1;
unsigned has_sendmsg : 1;
unsigned has_broken_udf : 1;
unsigned has_broken_alloc_console : 1;
unsigned has_always_all_codepages : 1;
unsigned has_localenames : 1;
unsigned has_fast_cwd : 1;
unsigned has_restricted_raw_disk_access : 1;
unsigned use_dont_resolve_hack : 1;
unsigned has_console_logon_sid : 1;
unsigned wow64_has_secondary_stack : 1;
unsigned has_program_compatibility_assistant : 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_set_thread_stack_guarantee : 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 (has_mandatory_integrity_control)
bool IMPLEMENT (needs_count_in_si_lpres2)
bool IMPLEMENT (has_recycle_dot_bin)
bool IMPLEMENT (has_gaa_on_link_prefix)
bool IMPLEMENT (has_gaa_largeaddress_bug)
bool IMPLEMENT (supports_all_posix_ai_flags)
bool IMPLEMENT (has_restricted_stack_args)
bool IMPLEMENT (has_transactions)
bool IMPLEMENT (has_sendmsg)
bool IMPLEMENT (has_broken_udf)
bool IMPLEMENT (has_broken_alloc_console)
bool IMPLEMENT (has_always_all_codepages)
bool IMPLEMENT (has_localenames)
bool IMPLEMENT (has_fast_cwd)
bool IMPLEMENT (has_restricted_raw_disk_access)
bool IMPLEMENT (use_dont_resolve_hack)
bool IMPLEMENT (has_console_logon_sid)
bool IMPLEMENT (wow64_has_secondary_stack)
bool IMPLEMENT (has_program_compatibility_assistant)
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_set_thread_stack_guarantee)
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 */
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