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