annotate src/os/unix/ngx_freebsd_init.c @ 91:637625a2acdb

nginx-0.0.1-2003-05-19-20:39:14 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 19 May 2003 16:39:14 +0000
parents 674d333f4296
children 738fe44c70d5
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1
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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3
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4
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674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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5 char ngx_freebsd_kern_ostype[20];
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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6 char ngx_freebsd_kern_osrelease[20];
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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7 int ngx_freebsd_kern_osreldate;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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8 int ngx_freebsd_hw_ncpu;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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9 int ngx_freebsd_net_inet_tcp_sendspace;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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10 int ngx_freebsd_sendfile_nbytes_bug;
86
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11
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12
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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13 ngx_os_io_t ngx_os_io = {
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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14 ngx_unix_recv,
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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15 NULL,
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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16 NULL,
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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17 ngx_freebsd_write_chain
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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18 };
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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19
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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20
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3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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21 int ngx_os_init(ngx_log_t *log)
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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22 {
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23 size_t size;
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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24
88
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25 size = 20;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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26 if (sysctlbyname("kern.ostype",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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27 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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28 ngx_log_error(NGX_LOG_ALERT, log, errno,
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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29 "sysctlbyname(kern.ostype) failed");
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30 return NGX_ERROR;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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31 }
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32
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33 size = 20;
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34 if (sysctlbyname("kern.osrelease",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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35 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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36 ngx_log_error(NGX_LOG_ALERT, log, errno,
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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37 "sysctlbyname(kern.osrelease) failed");
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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38 return NGX_ERROR;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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39 }
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40
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41 ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %s %s",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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42 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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43
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44
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3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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45 size = 4;
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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46 if (sysctlbyname("kern.osreldate",
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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47 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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48 ngx_log_error(NGX_LOG_ALERT, log, errno,
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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49 "sysctlbyname(kern.osreldate) failed");
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50 return NGX_ERROR;
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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51 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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52
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53 ngx_log_error(NGX_LOG_INFO, log, 0,
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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54 "kern.osreldate: %d, built on %d",
88
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55 ngx_freebsd_kern_osreldate, __FreeBSD_version);
86
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56
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57
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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58 #if HAVE_FREEBSD_SENDFILE
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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59
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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60 /* The determination of the sendfile() nbytes bug is complex enough.
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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61 There're two sendfile() syscalls: a new 393 has no bug while
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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62 an old 336 has the bug in some versions and has not in others.
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63 libc_r wrapper also emulates the bug in some versions.
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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64 There's no way to say exactly if a given FreeBSD version has bug.
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65 Here is the algorithm that work at least for RELEASEs
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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66 and for syscalls only (not libc_r wrapper). */
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67
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68 /* detect was the new sendfile() version available at the compile time
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69 to allow an old binary to run correctly on an updated FreeBSD system. */
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70
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71 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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72 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
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73
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74 /* a new syscall without the bug */
88
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75 ngx_freebsd_sendfile_nbytes_bug = 0;
86
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76
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77 #else
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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78
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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79 /* an old syscall that can have the bug */
88
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80 ngx_freebsd_sendfile_nbytes_bug = 1;
86
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81
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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82 #endif
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83
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84 #endif /* HAVE_FREEBSD_SENDFILE */
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85
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86
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87 size = 4;
88
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88 if (sysctlbyname("hw.ncpu", &ngx_freebsd_hw_ncpu, &size, NULL, 0) == -1) {
86
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89 ngx_log_error(NGX_LOG_ALERT, log, errno,
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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90 "sysctlbyname(hw.ncpu) failed");
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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91 return NGX_ERROR;
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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92 }
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93
88
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94 ngx_log_error(NGX_LOG_INFO, log, 0, "hw.ncpu: %d", ngx_freebsd_hw_ncpu);
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95
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96
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97 size = 4;
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98 if (sysctlbyname("net.inet.tcp.sendspace",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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99 &ngx_freebsd_net_inet_tcp_sendspace,
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100 &size, NULL, 0) == -1)
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101 {
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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102 ngx_log_error(NGX_LOG_ALERT, log, errno,
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103 "sysctlbyname(net.inet.tcp.sendspace) failed");
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104 return NGX_ERROR;
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105 }
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106
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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107 ngx_log_error(NGX_LOG_INFO, log, 0, "net.inet.tcp.sendspace: %d",
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108 ngx_freebsd_net_inet_tcp_sendspace);
86
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109
91
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110 return ngx_unix_init(log);
86
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111 }