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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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0
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10
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11
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12 /* FreeBSD 3.0 at least */
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222
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13 char ngx_freebsd_kern_ostype[16];
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14 char ngx_freebsd_kern_osrelease[128];
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15 int ngx_freebsd_kern_osreldate;
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16 int ngx_freebsd_hw_ncpu;
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17 int ngx_freebsd_kern_ipc_somaxconn;
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18 u_long ngx_freebsd_net_inet_tcp_sendspace;
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0
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19
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20 /* FreeBSD 4.9 */
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222
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21 int ngx_freebsd_machdep_hlt_logical_cpus;
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0
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22
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23
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358
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24 ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
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25 ngx_uint_t ngx_freebsd_use_tcp_nopush;
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646
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26
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27 ngx_uint_t ngx_debug_malloc;
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0
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28
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29
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88
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30 static ngx_os_io_t ngx_freebsd_io = {
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0
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31 ngx_unix_recv,
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32 ngx_readv_chain,
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354
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33 ngx_udp_unix_recv,
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0
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34 ngx_unix_send,
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18
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35 #if (NGX_HAVE_SENDFILE)
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0
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36 ngx_freebsd_sendfile_chain,
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37 NGX_IO_SENDFILE
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38 #else
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39 ngx_writev_chain,
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40 0
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41 #endif
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42 };
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43
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44
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45 typedef struct {
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46 char *name;
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222
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47 void *value;
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0
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48 size_t size;
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49 ngx_uint_t exists;
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50 } sysctl_t;
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51
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52
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53 sysctl_t sysctls[] = {
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54 { "hw.ncpu",
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55 &ngx_freebsd_hw_ncpu,
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222
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56 sizeof(ngx_freebsd_hw_ncpu), 0 },
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0
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57
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58 { "machdep.hlt_logical_cpus",
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59 &ngx_freebsd_machdep_hlt_logical_cpus,
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222
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60 sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
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0
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61
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62 { "net.inet.tcp.sendspace",
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63 &ngx_freebsd_net_inet_tcp_sendspace,
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222
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64 sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
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0
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65
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50
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66 { "kern.ipc.somaxconn",
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67 &ngx_freebsd_kern_ipc_somaxconn,
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222
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68 sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
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50
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69
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0
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70 { NULL, NULL, 0, 0 }
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71 };
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72
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73
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88
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74 void
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75 ngx_debug_init()
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0
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76 {
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96
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77 #if (NGX_DEBUG_MALLOC)
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0
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78
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676
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79 #if __FreeBSD_version >= 500014 && __FreeBSD_version < 1000011
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0
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80 _malloc_options = "J";
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676
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81 #elif __FreeBSD_version < 500014
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0
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82 malloc_options = "J";
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83 #endif
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84
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646
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85 ngx_debug_malloc = 1;
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358
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86
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87 #else
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88 char *mo;
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89
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90 mo = getenv("MALLOC_OPTIONS");
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91
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92 if (mo && ngx_strchr(mo, 'J')) {
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646
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93 ngx_debug_malloc = 1;
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358
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94 }
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0
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95 #endif
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96 }
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97
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98
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88
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99 ngx_int_t
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100 ngx_os_specific_init(ngx_log_t *log)
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0
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101 {
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646
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102 int version;
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0
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103 size_t size;
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104 ngx_err_t err;
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105 ngx_uint_t i;
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106
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107 size = sizeof(ngx_freebsd_kern_ostype);
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108 if (sysctlbyname("kern.ostype",
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109 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
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110 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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111 "sysctlbyname(kern.ostype) failed");
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10
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112
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113 if (ngx_errno != NGX_ENOMEM) {
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114 return NGX_ERROR;
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115 }
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116
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117 ngx_freebsd_kern_ostype[size - 1] = '\0';
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0
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118 }
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119
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120 size = sizeof(ngx_freebsd_kern_osrelease);
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121 if (sysctlbyname("kern.osrelease",
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122 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
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123 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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124 "sysctlbyname(kern.osrelease) failed");
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10
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125
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126 if (ngx_errno != NGX_ENOMEM) {
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127 return NGX_ERROR;
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128 }
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129
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130 ngx_freebsd_kern_osrelease[size - 1] = '\0';
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0
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131 }
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132
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133
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134 size = sizeof(int);
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135 if (sysctlbyname("kern.osreldate",
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136 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
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137 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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138 "sysctlbyname(kern.osreldate) failed");
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139 return NGX_ERROR;
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140 }
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141
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142 version = ngx_freebsd_kern_osreldate;
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143
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144
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18
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145 #if (NGX_HAVE_SENDFILE)
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0
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146
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147 /*
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148 * The determination of the sendfile() "nbytes bug" is complex enough.
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149 * There are two sendfile() syscalls: a new #393 has no bug while
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150 * an old #336 has the bug in some versions and has not in others.
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151 * Besides libc_r wrapper also emulates the bug in some versions.
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152 * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
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153 * has the bug. We use the algorithm that is correct at least for
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154 * RELEASEs and for syscalls only (not libc_r wrapper).
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155 *
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156 * 4.6.1-RELEASE and below have the bug
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157 * 4.6.2-RELEASE and above have the new syscall
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158 *
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159 * We detect the new sendfile() syscall available at the compile time
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160 * to allow an old binary to run correctly on an updated FreeBSD system.
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161 */
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162
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163 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
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164 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
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165
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166 /* a new syscall without the bug */
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167
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168 ngx_freebsd_sendfile_nbytes_bug = 0;
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169
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170 #else
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171
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172 /* an old syscall that may have the bug */
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173
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174 ngx_freebsd_sendfile_nbytes_bug = 1;
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175
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176 #endif
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177
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18
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178 #endif /* NGX_HAVE_SENDFILE */
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0
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179
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180
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181 if ((version < 500000 && version >= 440003) || version >= 500017) {
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182 ngx_freebsd_use_tcp_nopush = 1;
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183 }
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184
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185
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186 for (i = 0; sysctls[i].name; i++) {
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187 size = sysctls[i].size;
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188
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189 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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222
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190 == 0)
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0
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191 {
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192 sysctls[i].exists = 1;
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193 continue;
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194 }
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195
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196 err = ngx_errno;
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197
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198 if (err == NGX_ENOENT) {
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199 continue;
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200 }
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201
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202 ngx_log_error(NGX_LOG_ALERT, log, err,
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203 "sysctlbyname(%s) failed", sysctls[i].name);
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204 return NGX_ERROR;
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205 }
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206
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207 if (ngx_freebsd_machdep_hlt_logical_cpus) {
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208 ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
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222
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209
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0
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210 } else {
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211 ngx_ncpu = ngx_freebsd_hw_ncpu;
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212 }
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213
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646
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214 if (version < 600008 && ngx_freebsd_kern_ipc_somaxconn > 32767) {
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50
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215 ngx_log_error(NGX_LOG_ALERT, log, 0,
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646
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216 "sysctl kern.ipc.somaxconn must be less than 32768");
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50
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217 return NGX_ERROR;
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218 }
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2
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219
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22
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220 ngx_tcp_nodelay_and_tcp_nopush = 1;
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221
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88
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222 ngx_os_io = ngx_freebsd_io;
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22
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223
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88
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224 return NGX_OK;
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0
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225 }
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226
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227
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88
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228 void
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229 ngx_os_specific_status(ngx_log_t *log)
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0
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230 {
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222
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231 u_long value;
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0
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232 ngx_uint_t i;
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233
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80
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234 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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0
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235 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
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236
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237 #ifdef __DragonFly_version
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80
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238 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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0
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239 "kern.osreldate: %d, built on %d",
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240 ngx_freebsd_kern_osreldate, __DragonFly_version);
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241 #else
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80
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242 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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0
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243 "kern.osreldate: %d, built on %d",
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244 ngx_freebsd_kern_osreldate, __FreeBSD_version);
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245 #endif
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246
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247 for (i = 0; sysctls[i].name; i++) {
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248 if (sysctls[i].exists) {
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222
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249 if (sysctls[i].size == sizeof(long)) {
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250 value = *(long *) sysctls[i].value;
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251
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252 } else {
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253 value = *(int *) sysctls[i].value;
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254 }
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255
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256 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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257 sysctls[i].name, value);
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0
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258 }
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259 }
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260 }
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