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1 /*
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2 * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 //
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26 // Because the interruptible IO has been dropped for HotSpot/Linux,
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27 // the following HPI interface is very different from HotSparc.
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28 //
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29
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30 #include <unistd.h>
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31 #include <sys/socket.h>
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32 #include <sys/poll.h>
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33 #include <sys/ioctl.h>
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34 #include <netdb.h>
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35
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36 // HPI_FileInterface
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37
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38 inline int hpi::close(int fd) {
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39 return ::close(fd);
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40 }
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41
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42 inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) {
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43 size_t res;
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44 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
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45 return res;
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46 }
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47
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48 inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) {
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49 size_t res;
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50 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res);
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51 return res;
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52 }
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53
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54
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55 // HPI_SocketInterface
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56
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57 inline int hpi::socket_close(int fd) {
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58 return ::close(fd);
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59 }
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60
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61 inline int hpi::socket(int domain, int type, int protocol) {
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62 return ::socket(domain, type, protocol);
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63 }
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64
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65 inline int hpi::recv(int fd, char *buf, int nBytes, int flags) {
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66 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, (unsigned int) flags));
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67 }
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68
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69 inline int hpi::send(int fd, char *buf, int nBytes, int flags) {
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70 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, (unsigned int) flags));
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71 }
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72
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73 inline int hpi::timeout(int fd, long timeout) {
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74 julong prevtime,newtime;
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75 struct timeval t;
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76
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77 gettimeofday(&t, NULL);
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78 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000;
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79
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80 for(;;) {
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81 struct pollfd pfd;
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82
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83 pfd.fd = fd;
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84 pfd.events = POLLIN | POLLERR;
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85
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86 int res = ::poll(&pfd, 1, timeout);
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87
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88 if (res == OS_ERR && errno == EINTR) {
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89
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90 // On Linux any value < 0 means "forever"
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91
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92 if(timeout >= 0) {
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93 gettimeofday(&t, NULL);
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94 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000;
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95 timeout -= newtime - prevtime;
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96 if(timeout <= 0)
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97 return OS_OK;
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98 prevtime = newtime;
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99 }
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100 } else
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101 return res;
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102 }
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103 }
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104
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105 inline int hpi::listen(int fd, int count) {
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106 return ::listen(fd, count);
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107 }
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108
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109 inline int hpi::connect(int fd, struct sockaddr *him, int len) {
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110 RESTARTABLE_RETURN_INT(::connect(fd, him, len));
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111 }
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112
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113 inline int hpi::accept(int fd, struct sockaddr *him, int *len) {
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114 // This cast is from int to unsigned int on linux. Since we
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115 // only pass the parameter "len" around the vm and don't try to
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116 // fetch it's value, this cast is safe for now. The java.net group
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117 // may need and want to change this interface someday if socklen_t goes
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118 // to 64 bits on some platform that we support.
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119 // Linux doc says this can't return EINTR, unlike accept() on Solaris
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120
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121 return ::accept(fd, him, (socklen_t *)len);
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122 }
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123
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124 inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags,
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125 sockaddr *from, int *fromlen) {
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126 RESTARTABLE_RETURN_INT(::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen));
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127 }
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128
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129 inline int hpi::sendto(int fd, char *buf, int len, int flags,
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130 struct sockaddr *to, int tolen) {
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131 RESTARTABLE_RETURN_INT(::sendto(fd, buf, len, (unsigned int) flags, to, tolen));
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132 }
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133
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134 inline int hpi::socket_available(int fd, jint *pbytes) {
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135 // Linux doc says EINTR not returned, unlike Solaris
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136 int ret = ::ioctl(fd, FIONREAD, pbytes);
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137
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138 //%% note ioctl can return 0 when successful, JVM_SocketAvailable
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139 // is expected to return 0 on failure and 1 on success to the jdk.
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140 return (ret < 0) ? 0 : 1;
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141 }
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142
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143
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144 // following methods have been updated to avoid problems in
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145 // hpi's sockets calls based on sys_api_td.c (JDK1.3)
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146
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147 /*
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148 HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown,
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149 int, "%d",
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150 (int fd, int howto),
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151 ("fd = %d, howto = %d", fd, howto),
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152 (fd, howto));
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153 */
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154 inline int hpi::socket_shutdown(int fd, int howto){
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155 return ::shutdown(fd, howto);
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156 }
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157
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158 /*
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159 HPIDECL(bind, "bind", _socket, Bind,
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160 int, "%d",
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161 (int fd, struct sockaddr *him, int len),
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162 ("fd = %d, him = %p, len = %d",
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163 fd, him, len),
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164 (fd, him, len));
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165 */
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166 inline int hpi::bind(int fd, struct sockaddr *him, int len){
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167 return ::bind(fd, him, len);
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168 }
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169
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170 /*
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171 HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName,
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172 int, "%d",
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173 (int fd, struct sockaddr *him, int *len),
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174 ("fd = %d, him = %p, len = %p",
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175 fd, him, len),
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176 (fd, him, len));
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177 */
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178 inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){
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179 return ::getsockname(fd, him, (socklen_t *)len);
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180 }
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181
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182 /*
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183 HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d",
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184 (char *hostname, int namelen),
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185 ("hostname = %p, namelen = %d",
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186 hostname, namelen),
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187 (hostname, namelen));
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188 */
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189 inline int hpi::get_host_name(char* name, int namelen){
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190 return ::gethostname(name, namelen);
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191 }
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192
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193 /*
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194 HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d",
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195 (int fd, int level, int optname, char *optval, int* optlen),
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196 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p",
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197 fd, level, optname, optval, optlen),
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198 (fd, level, optname, optval, optlen));
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199 */
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200 inline int hpi::get_sock_opt(int fd, int level, int optname,
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201 char *optval, int* optlen){
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202 return ::getsockopt(fd, level, optname, optval, (socklen_t *)optlen);
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203 }
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204
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205 /*
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206 HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d",
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207 (int fd, int level, int optname, const char *optval, int optlen),
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208 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d",
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209 fd, level, optname, optval, optlen),
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210 (fd, level, optname, optval, optlen));
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211 */
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212 inline int hpi::set_sock_opt(int fd, int level, int optname,
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213 const char *optval, int optlen){
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214 return ::setsockopt(fd, level, optname, optval, optlen);
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215 }
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216
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217
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218 // Reconciliation History
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219 // hpi_solaris.hpp 1.9 99/08/30 16:31:23
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220 // End
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