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1 | #ifndef _BABELTRACE_COMPAT_UNISTD_H |
2 | #define _BABELTRACE_COMPAT_UNISTD_H | |
3 | ||
4 | /* | |
5 | * babeltrace/compat/unistd.h | |
6 | * | |
7 | * (C) Copyright 2016 - Michael Jeanson <mjeanson@efficios.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | ||
29 | #include <unistd.h> | |
30 | ||
31 | #ifdef __MINGW32__ | |
32 | #include <windows.h> | |
33 | #include <errno.h> | |
34 | ||
35 | #define _SC_PAGESIZE 30 | |
36 | ||
37 | static inline | |
38 | long bt_sysconf(int name) | |
39 | { | |
40 | SYSTEM_INFO si; | |
41 | ||
42 | switch(name) { | |
43 | case _SC_PAGESIZE: | |
44 | GetNativeSystemInfo(&si); | |
45 | return si.dwPageSize; | |
46 | default: | |
47 | errno = EINVAL; | |
48 | return -1; | |
49 | } | |
50 | } | |
51 | ||
52 | #else | |
53 | ||
54 | static inline | |
55 | long bt_sysconf(int name) | |
56 | { | |
57 | return sysconf(name); | |
58 | } | |
59 | ||
60 | #endif | |
61 | #endif /* _BABELTRACE_COMPAT_UNISTD_H */ |