1 /*
   2  * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

 124 inline int os::closedir(DIR *dirp) {
 125   assert(dirp != NULL, "argument is NULL");
 126   return ::closedir(dirp);
 127 }
 128 
 129 // macros for restartable system calls
 130 
 131 #define RESTARTABLE(_cmd, _result) do { \
 132     _result = _cmd; \
 133   } while(((int)_result == OS_ERR) && (errno == EINTR))
 134 
 135 #define RESTARTABLE_RETURN_INT(_cmd) do { \
 136   int _result; \
 137   RESTARTABLE(_cmd, _result); \
 138   return _result; \
 139 } while(false)
 140 
 141 inline bool os::numa_has_static_binding()   { return true; }
 142 inline bool os::numa_has_group_homing()     { return false;  }
 143 
 144 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
 145   size_t res;
 146   RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
 147   return res;
 148 }
 149 
 150 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) {
 151   size_t res;
 152   RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res);
 153   return res;
 154 }
 155 
 156 inline int os::close(int fd) {
 157   return ::close(fd);
 158 }
 159 
 160 inline int os::socket_close(int fd) {
 161   return ::close(fd);
 162 }
 163 
 164 inline int os::socket(int domain, int type, int protocol) {
 165   return ::socket(domain, type, protocol);
 166 }
 167 
 168 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) {
 169   RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags));
 170 }
 171 
 172 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) {

   1 /*
   2  * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

 124 inline int os::closedir(DIR *dirp) {
 125   assert(dirp != NULL, "argument is NULL");
 126   return ::closedir(dirp);
 127 }
 128 
 129 // macros for restartable system calls
 130 
 131 #define RESTARTABLE(_cmd, _result) do { \
 132     _result = _cmd; \
 133   } while(((int)_result == OS_ERR) && (errno == EINTR))
 134 
 135 #define RESTARTABLE_RETURN_INT(_cmd) do { \
 136   int _result; \
 137   RESTARTABLE(_cmd, _result); \
 138   return _result; \
 139 } while(false)
 140 
 141 inline bool os::numa_has_static_binding()   { return true; }
 142 inline bool os::numa_has_group_homing()     { return false;  }
 143 
 144 inline ssize_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
 145   ssize_t res;
 146   RESTARTABLE(::read(fd, buf, (size_t) nBytes), res);
 147   return res;
 148 }
 149 
 150 inline ssize_t os::write(int fd, const void *buf, unsigned int nBytes) {
 151   ssize_t res;
 152   RESTARTABLE(::write(fd, buf, (size_t) nBytes), res);
 153   return res;
 154 }
 155 
 156 inline int os::close(int fd) {
 157   return ::close(fd);
 158 }
 159 
 160 inline int os::socket_close(int fd) {
 161   return ::close(fd);
 162 }
 163 
 164 inline int os::socket(int domain, int type, int protocol) {
 165   return ::socket(domain, type, protocol);
 166 }
 167 
 168 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) {
 169   RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags));
 170 }
 171 
 172 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) {