Mercurial > hg > nginx-quic
comparison src/os/unix/ngx_freebsd_init.c @ 86:3973260705cc
nginx-0.0.1-2003-05-12-19:52:24 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 12 May 2003 15:52:24 +0000 |
parents | |
children | 674d333f4296 |
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85:3549c2bf9eaf | 86:3973260705cc |
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1 | |
2 #include <ngx_freebsd_init.h> | |
3 | |
4 | |
5 int freebsd_kern_osreldate; | |
6 int freebsd_hw_ncpu; | |
7 | |
8 int freebsd_sendfile_nbytes_bug; | |
9 | |
10 | |
11 int ngx_os_init(ngx_log_t *log) | |
12 { | |
13 size_t size; | |
14 | |
15 size = 4; | |
16 if (sysctlbyname("kern.osreldate", | |
17 &freebsd_kern_osreldate, &size, NULL, 0) == -1) { | |
18 ngx_log_error(NGX_LOG_ALERT, log, errno, | |
19 "sysctlbyname(kern.osreldate) failed"); | |
20 return NGX_ERROR; | |
21 } | |
22 | |
23 ngx_log_error(NGX_LOG_INFO, log, 0, | |
24 "kern.osreldate: %d, built on %d", | |
25 freebsd_kern_osreldate, __FreeBSD_version); | |
26 | |
27 | |
28 #if HAVE_FREEBSD_SENDFILE | |
29 | |
30 /* The determination of the sendfile() nbytes bug is complex enough. | |
31 There're two sendfile() syscalls: a new 393 has no bug while | |
32 an old 336 has the bug in some versions and has not in others. | |
33 libc_r wrapper also emulates the bug in some versions. | |
34 There's no way to say exactly if a given FreeBSD version has bug. | |
35 Here is the algorithm that work at least for RELEASEs | |
36 and for syscalls only (not libc_r wrapper). */ | |
37 | |
38 /* detect was the new sendfile() version available at the compile time | |
39 to allow an old binary to run correctly on an updated FreeBSD system. */ | |
40 | |
41 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \ | |
42 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039 | |
43 | |
44 /* a new syscall without the bug */ | |
45 freebsd_sendfile_nbytes_bug = 0; | |
46 | |
47 #else | |
48 | |
49 /* an old syscall that can have the bug */ | |
50 freebsd_sendfile_nbytes_bug = 1; | |
51 | |
52 #endif | |
53 | |
54 #endif /* HAVE_FREEBSD_SENDFILE */ | |
55 | |
56 | |
57 size = 4; | |
58 if (sysctlbyname("hw.ncpu", &freebsd_hw_ncpu, &size, NULL, 0) == -1) { | |
59 ngx_log_error(NGX_LOG_ALERT, log, errno, | |
60 "sysctlbyname(hw.ncpu) failed"); | |
61 return NGX_ERROR; | |
62 } | |
63 | |
64 ngx_log_error(NGX_LOG_INFO, log, 0, "hw.ncpu: %d", freebsd_hw_ncpu); | |
65 | |
66 return NGX_OK; | |
67 } |