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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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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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10
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11 /* FreeBSD 3.0 at least */
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222
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12 char ngx_freebsd_kern_ostype[16];
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13 char ngx_freebsd_kern_osrelease[128];
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14 int ngx_freebsd_kern_osreldate;
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15 int ngx_freebsd_hw_ncpu;
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16 int ngx_freebsd_kern_ipc_somaxconn;
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17 u_long ngx_freebsd_net_inet_tcp_sendspace;
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0
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18
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19 /* FreeBSD 4.9 */
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222
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20 int ngx_freebsd_machdep_hlt_logical_cpus;
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0
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21
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22 /* FreeBSD 5.0 */
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222
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23 int ngx_freebsd_kern_ipc_zero_copy_send;
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0
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24
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25
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358
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26 ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
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27 ngx_uint_t ngx_freebsd_use_tcp_nopush;
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28 ngx_uint_t ngx_freebsd_debug_malloc;
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0
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29
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30
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88
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31 static ngx_os_io_t ngx_freebsd_io = {
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0
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32 ngx_unix_recv,
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33 ngx_readv_chain,
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354
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34 ngx_udp_unix_recv,
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0
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35 ngx_unix_send,
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18
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36 #if (NGX_HAVE_SENDFILE)
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0
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37 ngx_freebsd_sendfile_chain,
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38 NGX_IO_SENDFILE
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39 #else
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40 ngx_writev_chain,
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41 0
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42 #endif
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43 };
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44
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45
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46 typedef struct {
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47 char *name;
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222
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48 void *value;
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0
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49 size_t size;
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50 ngx_uint_t exists;
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51 } sysctl_t;
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52
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53
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54 sysctl_t sysctls[] = {
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55 { "hw.ncpu",
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56 &ngx_freebsd_hw_ncpu,
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222
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57 sizeof(ngx_freebsd_hw_ncpu), 0 },
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0
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58
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59 { "machdep.hlt_logical_cpus",
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60 &ngx_freebsd_machdep_hlt_logical_cpus,
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222
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61 sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
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0
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62
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63 { "net.inet.tcp.sendspace",
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64 &ngx_freebsd_net_inet_tcp_sendspace,
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222
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65 sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
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0
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66
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50
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67 { "kern.ipc.somaxconn",
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68 &ngx_freebsd_kern_ipc_somaxconn,
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222
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69 sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
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50
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70
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0
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71 { "kern.ipc.zero_copy.send",
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72 &ngx_freebsd_kern_ipc_zero_copy_send,
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222
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73 sizeof(ngx_freebsd_kern_ipc_zero_copy_send), 0 },
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0
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74
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75 { NULL, NULL, 0, 0 }
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76 };
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77
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78
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88
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79 void
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80 ngx_debug_init()
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0
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81 {
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96
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82 #if (NGX_DEBUG_MALLOC)
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0
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83
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84 #if __FreeBSD_version >= 500014
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85 _malloc_options = "J";
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86 #else
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87 malloc_options = "J";
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88 #endif
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89
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358
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90 ngx_freebsd_debug_malloc = 1;
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91
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92 #else
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93 char *mo;
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94
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95 mo = getenv("MALLOC_OPTIONS");
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96
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97 if (mo && ngx_strchr(mo, 'J')) {
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98 ngx_freebsd_debug_malloc = 1;
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99 }
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0
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100 #endif
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101 }
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102
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103
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88
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104 ngx_int_t
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105 ngx_os_specific_init(ngx_log_t *log)
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0
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106 {
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50
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107 int version, somaxconn;
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0
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108 size_t size;
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109 ngx_err_t err;
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110 ngx_uint_t i;
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111
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112 size = sizeof(ngx_freebsd_kern_ostype);
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113 if (sysctlbyname("kern.ostype",
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114 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
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115 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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116 "sysctlbyname(kern.ostype) failed");
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10
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117
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118 if (ngx_errno != NGX_ENOMEM) {
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119 return NGX_ERROR;
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120 }
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121
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122 ngx_freebsd_kern_ostype[size - 1] = '\0';
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0
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123 }
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124
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125 size = sizeof(ngx_freebsd_kern_osrelease);
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126 if (sysctlbyname("kern.osrelease",
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127 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
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128 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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129 "sysctlbyname(kern.osrelease) failed");
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10
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130
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131 if (ngx_errno != NGX_ENOMEM) {
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132 return NGX_ERROR;
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133 }
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134
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135 ngx_freebsd_kern_osrelease[size - 1] = '\0';
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0
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136 }
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137
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138
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139 size = sizeof(int);
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140 if (sysctlbyname("kern.osreldate",
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141 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
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142 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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143 "sysctlbyname(kern.osreldate) failed");
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144 return NGX_ERROR;
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145 }
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146
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147 version = ngx_freebsd_kern_osreldate;
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148
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149
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18
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150 #if (NGX_HAVE_SENDFILE)
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0
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151
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152 /*
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153 * The determination of the sendfile() "nbytes bug" is complex enough.
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154 * There are two sendfile() syscalls: a new #393 has no bug while
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155 * an old #336 has the bug in some versions and has not in others.
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156 * Besides libc_r wrapper also emulates the bug in some versions.
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157 * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
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158 * has the bug. We use the algorithm that is correct at least for
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159 * RELEASEs and for syscalls only (not libc_r wrapper).
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160 *
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161 * 4.6.1-RELEASE and below have the bug
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162 * 4.6.2-RELEASE and above have the new syscall
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163 *
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164 * We detect the new sendfile() syscall available at the compile time
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165 * to allow an old binary to run correctly on an updated FreeBSD system.
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166 */
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167
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168 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
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169 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
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170
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171 /* a new syscall without the bug */
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172
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173 ngx_freebsd_sendfile_nbytes_bug = 0;
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174
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175 #else
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176
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177 /* an old syscall that may have the bug */
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178
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179 ngx_freebsd_sendfile_nbytes_bug = 1;
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180
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181 #endif
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182
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18
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183 #endif /* NGX_HAVE_SENDFILE */
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0
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184
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185
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186 if ((version < 500000 && version >= 440003) || version >= 500017) {
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187 ngx_freebsd_use_tcp_nopush = 1;
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188 }
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189
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190
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191 for (i = 0; sysctls[i].name; i++) {
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192 size = sysctls[i].size;
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193
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194 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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222
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195 == 0)
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0
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196 {
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197 sysctls[i].exists = 1;
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198 continue;
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199 }
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200
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201 err = ngx_errno;
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202
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203 if (err == NGX_ENOENT) {
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204 continue;
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205 }
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206
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207 ngx_log_error(NGX_LOG_ALERT, log, err,
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208 "sysctlbyname(%s) failed", sysctls[i].name);
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209 return NGX_ERROR;
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210 }
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211
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212 if (ngx_freebsd_machdep_hlt_logical_cpus) {
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213 ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
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222
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214
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0
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215 } else {
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216 ngx_ncpu = ngx_freebsd_hw_ncpu;
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217 }
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218
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222
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219 somaxconn = version < 600008 ? 32676 : 65535;
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50
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220
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221 if (ngx_freebsd_kern_ipc_somaxconn > somaxconn) {
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222 ngx_log_error(NGX_LOG_ALERT, log, 0,
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223 "sysctl kern.ipc.somaxconn must be no more than %d",
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224 somaxconn);
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225 return NGX_ERROR;
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226 }
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2
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227
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22
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228 ngx_tcp_nodelay_and_tcp_nopush = 1;
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229
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88
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230 ngx_os_io = ngx_freebsd_io;
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22
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231
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88
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232 return NGX_OK;
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0
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233 }
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234
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235
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88
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236 void
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237 ngx_os_specific_status(ngx_log_t *log)
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0
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238 {
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222
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239 u_long value;
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0
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240 ngx_uint_t i;
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241
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80
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242 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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0
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243 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
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244
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245 #ifdef __DragonFly_version
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80
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246 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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0
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247 "kern.osreldate: %d, built on %d",
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248 ngx_freebsd_kern_osreldate, __DragonFly_version);
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249 #else
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80
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250 ngx_log_error(NGX_LOG_NOTICE, log, 0,
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0
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251 "kern.osreldate: %d, built on %d",
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252 ngx_freebsd_kern_osreldate, __FreeBSD_version);
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253 #endif
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254
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255 for (i = 0; sysctls[i].name; i++) {
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256 if (sysctls[i].exists) {
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222
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257 if (sysctls[i].size == sizeof(long)) {
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258 value = *(long *) sysctls[i].value;
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259
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260 } else {
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261 value = *(int *) sysctls[i].value;
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262 }
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263
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264 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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265 sysctls[i].name, value);
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0
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266 }
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267 }
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268 }
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