annotate src/os/unix/ngx_freebsd_init.c @ 144:ef8c87afcfc5

nginx-0.0.1-2003-10-12-20:49:16 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 12 Oct 2003 16:49:16 +0000
parents 5526213be452
children fb48bf4fea1c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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>
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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3
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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4
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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5 /* FreeBSD 3.4 at least */
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674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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6 char ngx_freebsd_kern_ostype[20];
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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7 char ngx_freebsd_kern_osrelease[20];
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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8 int ngx_freebsd_kern_osreldate;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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9 int ngx_freebsd_hw_ncpu;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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10 int ngx_freebsd_net_inet_tcp_sendspace;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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11 int ngx_freebsd_sendfile_nbytes_bug;
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
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12 int ngx_freebsd_use_tcp_nopush;
86
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13
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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14 /* FreeBSD 5.0 */
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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15 int ngx_freebsd_kern_ipc_zero_copy_send;
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16
86
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17
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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18 ngx_os_io_t ngx_os_io = {
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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19 ngx_unix_recv,
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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20 ngx_readv_chain,
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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21 NULL,
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ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
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22 #if (HAVE_FREEBSD_SENDFILE)
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8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
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23 ngx_freebsd_sendfile_chain,
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24 NGX_HAVE_SENDFILE|NGX_HAVE_ZEROCOPY
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
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25 #else
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
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26 ngx_writev_chain,
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
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27 NULL
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
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28 #endif
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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29 };
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30
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31
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32 typedef struct {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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33 char *name;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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34 int *value;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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35 size_t size;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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36 } sysctl_t;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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37
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38
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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39 sysctl_t sysctls[] = {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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40 {"hw.ncpu",
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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41 &ngx_freebsd_hw_ncpu,
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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42 sizeof(int)},
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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43
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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44 {"net.inet.tcp.sendspace",
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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45 &ngx_freebsd_net_inet_tcp_sendspace,
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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46 sizeof(int)},
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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47
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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48 /* FreeBSD 5.0 */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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49
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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50 {"kern.ipc.zero_copy.send",
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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51 &ngx_freebsd_kern_ipc_zero_copy_send,
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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52 sizeof(int)},
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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53
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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54 {NULL, NULL, 0}
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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55 };
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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56
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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57
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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58 int ngx_os_init(ngx_log_t *log)
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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59 {
99
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60 int i, version;
97
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61 size_t size;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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62 ngx_err_t err;
86
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63
101
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64 size = sizeof(ngx_freebsd_kern_ostype);
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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65 if (sysctlbyname("kern.ostype",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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66 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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67 ngx_log_error(NGX_LOG_ALERT, log, errno,
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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68 "sysctlbyname(kern.ostype) failed");
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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69 return NGX_ERROR;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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70 }
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71
101
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72 size = sizeof(ngx_freebsd_kern_osrelease);
88
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73 if (sysctlbyname("kern.osrelease",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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74 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
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75 ngx_log_error(NGX_LOG_ALERT, log, errno,
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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76 "sysctlbyname(kern.osrelease) failed");
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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77 return NGX_ERROR;
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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78 }
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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79
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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80 ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %s %s",
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
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81 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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82
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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83
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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84 size = sizeof(int);
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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85 if (sysctlbyname("kern.osreldate",
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
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parents: 86
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86 &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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87 ngx_log_error(NGX_LOG_ALERT, log, errno,
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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88 "sysctlbyname(kern.osreldate) failed");
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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89 return NGX_ERROR;
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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90 }
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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91
99
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92 version = ngx_freebsd_kern_osreldate;
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93
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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94 ngx_log_error(NGX_LOG_INFO, log, 0,
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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95 "kern.osreldate: %d, built on %d",
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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parents: 97
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96 version, __FreeBSD_version);
86
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97
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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98
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
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parents: 93
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99 #if (HAVE_FREEBSD_SENDFILE)
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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100
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
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101 /*
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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parents: 101
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102 * The determination of the sendfile() nbytes bug is complex enough.
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
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103 * There're two sendfile() syscalls: a new 393 has no bug while
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
104 * an old 336 has the bug in some versions and has not in others.
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
105 * Besides libc_r wrapper also emulates the bug in some versions.
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
106 * There's no way to say exactly if a given FreeBSD version has the bug.
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
107 * Here is the algorithm that works at least for RELEASEs
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
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108 * and for syscalls only (not libc_r wrapper).
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
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109 *
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
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110 * We detect the new sendfile() version available at the compile time
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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parents: 101
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111 * to allow an old binary to run correctly on an updated FreeBSD system.
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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parents: 101
diff changeset
112 */
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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113
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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114 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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parents:
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115 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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116
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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117 /* a new syscall without the bug */
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
118
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
119 ngx_freebsd_sendfile_nbytes_bug = 0;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 #else
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 /* an old syscall that can have the bug */
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
124
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
125 ngx_freebsd_sendfile_nbytes_bug = 1;
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 #endif
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 #endif /* HAVE_FREEBSD_SENDFILE */
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
132 if ((version < 500000 && version >= 440003) || version >= 500017) {
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
133 ngx_freebsd_use_tcp_nopush = 1;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
134 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
135
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
136
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
137 for (i = 0; sysctls[i].name; i++) {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
138 *sysctls[i].value = 0;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
139 size = sysctls[i].size;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
140 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
141 == -1) {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
142 err = errno;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
143 if (err != NGX_ENOENT) {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
144 ngx_log_error(NGX_LOG_ALERT, log, err,
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
145 "sysctlbyname(%s) failed", sysctls[i].name);
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
146 return NGX_ERROR;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
147 }
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
148
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
149 } else {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
150 ngx_log_error(NGX_LOG_INFO, log, 0, "%s: %d",
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
151 sysctls[i].name, *sysctls[i].value);
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 94
diff changeset
152 }
88
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
153 }
674d333f4296 nginx-0.0.1-2003-05-14-21:13:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
154
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
155 return ngx_posix_init(log);
86
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }