blob: 0a2ad7b5915955ae9b9b06578cd64c1fc79ca9dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* 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;
int64_t mmap_storage_high;
/* The bitfields must be 8 byte aligned on x86_64, otherwise the bitfield
ops generated by gcc are off by 4 bytes. */
struct __attribute__ ((aligned (8))) {
unsigned is_server : 1;
unsigned has_microsoft_accounts : 1;
unsigned has_new_pebteb_region : 1;
unsigned has_broken_whoami : 1;
unsigned has_unprivileged_createsymlink : 1;
unsigned has_precise_interrupt_time : 1;
unsigned has_posix_unlink_semantics : 1;
unsigned has_posix_unlink_semantics_with_ignore_readonly : 1;
unsigned has_case_sensitive_dirs : 1;
unsigned has_posix_rename_semantics : 1;
unsigned has_con_24bit_colors : 1;
unsigned has_con_broken_csi3j : 1;
unsigned has_con_broken_il_dl : 1;
unsigned has_con_esc_rep : 1;
unsigned has_extended_mem_api : 1;
unsigned has_tcp_fastopen : 1;
unsigned has_linux_tcp_keepalive_sockopts : 1;
unsigned has_tcp_maxrtms : 1;
unsigned has_query_process_handle_info : 1;
unsigned has_con_broken_tabs : 1;
unsigned has_broken_attach_console : 1;
unsigned cons_need_small_input_record_buf : 1;
};
};
class wincapc
{
SYSTEM_INFO system_info;
RTL_OSVERSIONINFOEXW version;
char osnam[40];
void *caps;
public:
void init ();
const DWORD cpu_count () const { return system_info.dwNumberOfProcessors; }
const DWORD_PTR cpu_mask () const { return system_info.dwActiveProcessorMask;}
const WORD cpu_arch () const { return system_info.wProcessorArchitecture; }
const WORD cpu_level () const { return system_info.wProcessorLevel; }
/* 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 DWORD build_number () const { return version.dwBuildNumber; }
#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 ();
}
intptr_t IMPLEMENT (mmap_storage_high)
bool IMPLEMENT (is_server)
bool IMPLEMENT (has_microsoft_accounts)
bool IMPLEMENT (has_new_pebteb_region)
bool IMPLEMENT (has_broken_whoami)
bool IMPLEMENT (has_unprivileged_createsymlink)
bool IMPLEMENT (has_precise_interrupt_time)
bool IMPLEMENT (has_posix_unlink_semantics)
bool IMPLEMENT (has_posix_unlink_semantics_with_ignore_readonly)
bool IMPLEMENT (has_case_sensitive_dirs)
bool IMPLEMENT (has_posix_rename_semantics)
bool IMPLEMENT (has_con_24bit_colors)
bool IMPLEMENT (has_con_broken_csi3j)
bool IMPLEMENT (has_con_broken_il_dl)
bool IMPLEMENT (has_con_esc_rep)
bool IMPLEMENT (has_extended_mem_api)
bool IMPLEMENT (has_tcp_fastopen)
bool IMPLEMENT (has_linux_tcp_keepalive_sockopts)
bool IMPLEMENT (has_tcp_maxrtms)
bool IMPLEMENT (has_query_process_handle_info)
bool IMPLEMENT (has_con_broken_tabs)
bool IMPLEMENT (has_broken_attach_console)
bool IMPLEMENT (cons_need_small_input_record_buf)
void disable_case_sensitive_dirs ()
{
((wincaps *)caps)->has_case_sensitive_dirs = false;
}
#undef IMPLEMENT
};
extern wincapc wincap;
#endif /* _WINCAP_H */
|
