Mercurial > hg > nginx
annotate src/os/unix/ngx_freebsd_init.c @ 88:674d333f4296
nginx-0.0.1-2003-05-14-21:13:13 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 14 May 2003 17:13:13 +0000 |
parents | 3973260705cc |
children | 637625a2acdb |
rev | line source |
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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 char ngx_freebsd_kern_ostype[20]; |
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6 char ngx_freebsd_kern_osrelease[20]; |
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7 int ngx_freebsd_kern_osreldate; |
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8 int ngx_freebsd_hw_ncpu; |
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9 int ngx_freebsd_net_inet_tcp_sendspace; |
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10 int ngx_freebsd_sendfile_nbytes_bug; |
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13 int ngx_os_init(ngx_log_t *log) |
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14 { |
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15 size_t size; |
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17 size = 20; |
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18 if (sysctlbyname("kern.ostype", |
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19 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) { |
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20 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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21 "sysctlbyname(kern.ostype) failed"); |
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22 return NGX_ERROR; |
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23 } |
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24 |
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25 size = 20; |
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26 if (sysctlbyname("kern.osrelease", |
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27 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) { |
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28 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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29 "sysctlbyname(kern.osrelease) failed"); |
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30 return NGX_ERROR; |
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31 } |
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32 |
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33 ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %s %s", |
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34 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease); |
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35 |
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36 |
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37 size = 4; |
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38 if (sysctlbyname("kern.osreldate", |
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39 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) { |
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40 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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41 "sysctlbyname(kern.osreldate) failed"); |
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42 return NGX_ERROR; |
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43 } |
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44 |
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45 ngx_log_error(NGX_LOG_INFO, log, 0, |
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46 "kern.osreldate: %d, built on %d", |
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47 ngx_freebsd_kern_osreldate, __FreeBSD_version); |
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48 |
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49 |
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50 #if HAVE_FREEBSD_SENDFILE |
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51 |
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52 /* The determination of the sendfile() nbytes bug is complex enough. |
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53 There're two sendfile() syscalls: a new 393 has no bug while |
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54 an old 336 has the bug in some versions and has not in others. |
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55 libc_r wrapper also emulates the bug in some versions. |
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56 There's no way to say exactly if a given FreeBSD version has bug. |
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57 Here is the algorithm that work at least for RELEASEs |
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58 and for syscalls only (not libc_r wrapper). */ |
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59 |
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60 /* detect was the new sendfile() version available at the compile time |
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61 to allow an old binary to run correctly on an updated FreeBSD system. */ |
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62 |
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63 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \ |
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64 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039 |
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65 |
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66 /* a new syscall without the bug */ |
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67 ngx_freebsd_sendfile_nbytes_bug = 0; |
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68 |
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69 #else |
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70 |
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71 /* an old syscall that can have the bug */ |
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72 ngx_freebsd_sendfile_nbytes_bug = 1; |
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73 |
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74 #endif |
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75 |
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76 #endif /* HAVE_FREEBSD_SENDFILE */ |
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77 |
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78 |
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79 size = 4; |
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80 if (sysctlbyname("hw.ncpu", &ngx_freebsd_hw_ncpu, &size, NULL, 0) == -1) { |
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81 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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82 "sysctlbyname(hw.ncpu) failed"); |
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83 return NGX_ERROR; |
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84 } |
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85 |
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86 ngx_log_error(NGX_LOG_INFO, log, 0, "hw.ncpu: %d", ngx_freebsd_hw_ncpu); |
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87 |
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88 |
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89 size = 4; |
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90 if (sysctlbyname("net.inet.tcp.sendspace", |
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91 &ngx_freebsd_net_inet_tcp_sendspace, |
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92 &size, NULL, 0) == -1) |
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93 { |
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94 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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95 "sysctlbyname(net.inet.tcp.sendspace) failed"); |
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96 return NGX_ERROR; |
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97 } |
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98 |
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99 ngx_log_error(NGX_LOG_INFO, log, 0, "net.inet.tcp.sendspace: %d", |
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100 ngx_freebsd_net_inet_tcp_sendspace); |
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101 |
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102 return NGX_OK; |
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103 } |