Mercurial > hg > truffle
annotate src/os/aix/vm/os_aix.inline.hpp @ 20593:2eda90444a0d
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
Summary: Ensure appropriate min. number of compiler threads (1 for non-tiered, and 2 for tiered)
Reviewed-by: kvn
author | anoll |
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date | Tue, 25 Feb 2014 13:52:37 +0100 |
parents | ce8f6bb717c9 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2012, 2013 SAP AG. All rights reserved. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #ifndef OS_AIX_VM_OS_AIX_INLINE_HPP |
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27 #define OS_AIX_VM_OS_AIX_INLINE_HPP |
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28 |
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29 #include "runtime/atomic.inline.hpp" |
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30 #include "runtime/orderAccess.inline.hpp" |
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31 #include "runtime/os.hpp" |
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32 |
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33 // System includes |
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34 |
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35 #include <unistd.h> |
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36 #include <sys/socket.h> |
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37 #include <sys/poll.h> |
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38 #include <sys/ioctl.h> |
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39 #include <netdb.h> |
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40 |
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41 // Defined in the system headers included above. |
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42 #undef rem_size |
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43 |
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44 inline void* os::thread_local_storage_at(int index) { |
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45 return pthread_getspecific((pthread_key_t)index); |
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46 } |
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47 |
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48 inline const char* os::file_separator() { |
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49 return "/"; |
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50 } |
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51 |
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52 inline const char* os::line_separator() { |
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53 return "\n"; |
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54 } |
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55 |
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56 inline const char* os::path_separator() { |
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57 return ":"; |
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58 } |
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59 |
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60 // File names are case-sensitive on windows only |
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61 inline int os::file_name_strcmp(const char* s1, const char* s2) { |
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62 return strcmp(s1, s2); |
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63 } |
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64 |
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65 inline bool os::obsolete_option(const JavaVMOption *option) { |
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66 return false; |
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67 } |
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68 |
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69 inline bool os::uses_stack_guard_pages() { |
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70 return true; |
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71 } |
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72 |
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73 inline bool os::allocate_stack_guard_pages() { |
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74 assert(uses_stack_guard_pages(), "sanity check"); |
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75 return true; |
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76 } |
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77 |
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78 |
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79 // On Aix, reservations are made on a page by page basis, nothing to do. |
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80 inline void os::pd_split_reserved_memory(char *base, size_t size, |
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81 size_t split, bool realloc) { |
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82 } |
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83 |
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84 |
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85 // Bang the shadow pages if they need to be touched to be mapped. |
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86 inline void os::bang_stack_shadow_pages() { |
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87 } |
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88 |
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89 inline void os::dll_unload(void *lib) { |
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90 ::dlclose(lib); |
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91 } |
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92 |
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93 inline const int os::default_file_open_flags() { return 0;} |
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94 |
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95 inline DIR* os::opendir(const char* dirname) |
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96 { |
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97 assert(dirname != NULL, "just checking"); |
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98 return ::opendir(dirname); |
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99 } |
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100 |
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101 inline int os::readdir_buf_size(const char *path) |
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102 { |
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103 // according to aix sys/limits, NAME_MAX must be retrieved at runtime. */ |
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104 const long my_NAME_MAX = pathconf(path, _PC_NAME_MAX); |
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105 return my_NAME_MAX + sizeof(dirent) + 1; |
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106 } |
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107 |
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108 inline jlong os::lseek(int fd, jlong offset, int whence) { |
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109 return (jlong) ::lseek64(fd, offset, whence); |
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110 } |
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111 |
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112 inline int os::fsync(int fd) { |
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113 return ::fsync(fd); |
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114 } |
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115 |
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116 inline char* os::native_path(char *path) { |
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117 return path; |
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118 } |
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119 |
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120 inline int os::ftruncate(int fd, jlong length) { |
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121 return ::ftruncate64(fd, length); |
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122 } |
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123 |
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124 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf) |
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125 { |
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126 dirent* p; |
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127 int status; |
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128 assert(dirp != NULL, "just checking"); |
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129 |
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130 // NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX |
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131 // version. Here is the doc for this function: |
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132 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html |
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133 |
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134 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { |
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135 errno = status; |
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136 return NULL; |
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137 } else |
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138 return p; |
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139 } |
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140 |
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141 inline int os::closedir(DIR *dirp) { |
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142 assert(dirp != NULL, "argument is NULL"); |
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143 return ::closedir(dirp); |
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144 } |
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145 |
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146 // macros for restartable system calls |
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147 |
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148 #define RESTARTABLE(_cmd, _result) do { \ |
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149 _result = _cmd; \ |
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150 } while(((int)_result == OS_ERR) && (errno == EINTR)) |
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151 |
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152 #define RESTARTABLE_RETURN_INT(_cmd) do { \ |
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153 int _result; \ |
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154 RESTARTABLE(_cmd, _result); \ |
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155 return _result; \ |
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156 } while(false) |
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157 |
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158 // We don't have NUMA support on Aix, but we need this for compilation. |
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159 inline bool os::numa_has_static_binding() { ShouldNotReachHere(); return true; } |
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160 inline bool os::numa_has_group_homing() { ShouldNotReachHere(); return false; } |
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161 |
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162 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { |
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163 size_t res; |
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164 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); |
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165 return res; |
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166 } |
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167 |
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168 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { |
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169 size_t res; |
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170 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); |
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171 return res; |
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172 } |
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173 |
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174 inline int os::close(int fd) { |
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175 return ::close(fd); |
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176 } |
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177 |
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178 inline int os::socket_close(int fd) { |
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179 return ::close(fd); |
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180 } |
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181 |
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182 inline int os::socket(int domain, int type, int protocol) { |
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183 return ::socket(domain, type, protocol); |
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184 } |
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185 |
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186 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) { |
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187 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags)); |
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188 } |
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189 |
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190 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) { |
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191 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); |
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192 } |
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193 |
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194 inline int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) { |
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195 return os::send(fd, buf, nBytes, flags); |
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196 } |
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197 |
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198 inline int os::timeout(int fd, long timeout) { |
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199 julong prevtime,newtime; |
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200 struct timeval t; |
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201 |
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202 gettimeofday(&t, NULL); |
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203 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; |
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204 |
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205 for(;;) { |
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206 struct pollfd pfd; |
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207 |
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208 pfd.fd = fd; |
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209 pfd.events = POLLIN | POLLERR; |
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210 |
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211 int res = ::poll(&pfd, 1, timeout); |
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212 |
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213 if (res == OS_ERR && errno == EINTR) { |
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214 |
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215 // On Linux any value < 0 means "forever" |
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216 |
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217 if(timeout >= 0) { |
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218 gettimeofday(&t, NULL); |
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219 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; |
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220 timeout -= newtime - prevtime; |
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221 if(timeout <= 0) |
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222 return OS_OK; |
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223 prevtime = newtime; |
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224 } |
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225 } else |
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226 return res; |
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227 } |
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228 } |
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229 |
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230 inline int os::listen(int fd, int count) { |
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231 return ::listen(fd, count); |
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232 } |
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233 |
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234 inline int os::connect(int fd, struct sockaddr* him, socklen_t len) { |
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235 RESTARTABLE_RETURN_INT(::connect(fd, him, len)); |
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236 } |
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237 |
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238 inline int os::accept(int fd, struct sockaddr* him, socklen_t* len) { |
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239 // Linux doc says this can't return EINTR, unlike accept() on Solaris. |
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240 // But see attachListener_linux.cpp, LinuxAttachListener::dequeue(). |
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241 return (int)::accept(fd, him, len); |
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242 } |
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243 |
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244 inline int os::recvfrom(int fd, char* buf, size_t nBytes, uint flags, |
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245 sockaddr* from, socklen_t* fromlen) { |
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246 RESTARTABLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, flags, from, fromlen)); |
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247 } |
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248 |
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249 inline int os::sendto(int fd, char* buf, size_t len, uint flags, |
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250 struct sockaddr* to, socklen_t tolen) { |
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251 RESTARTABLE_RETURN_INT((int)::sendto(fd, buf, len, flags, to, tolen)); |
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252 } |
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253 |
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254 inline int os::socket_shutdown(int fd, int howto) { |
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255 return ::shutdown(fd, howto); |
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256 } |
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257 |
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258 inline int os::bind(int fd, struct sockaddr* him, socklen_t len) { |
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259 return ::bind(fd, him, len); |
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260 } |
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261 |
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262 inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len) { |
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263 return ::getsockname(fd, him, len); |
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264 } |
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265 |
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266 inline int os::get_host_name(char* name, int namelen) { |
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267 return ::gethostname(name, namelen); |
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268 } |
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269 |
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270 inline struct hostent* os::get_host_by_name(char* name) { |
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271 return ::gethostbyname(name); |
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272 } |
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273 |
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274 inline int os::get_sock_opt(int fd, int level, int optname, |
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275 char* optval, socklen_t* optlen) { |
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276 return ::getsockopt(fd, level, optname, optval, optlen); |
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277 } |
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278 |
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279 inline int os::set_sock_opt(int fd, int level, int optname, |
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280 const char* optval, socklen_t optlen) { |
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281 return ::setsockopt(fd, level, optname, optval, optlen); |
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282 } |
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283 #endif // OS_AIX_VM_OS_AIX_INLINE_HPP |