annotate src/os/linux/vm/os_linux.inline.hpp @ 4582:b24386206122

Made all vm builds go into subdirectories, even product builds to simplify building the various types of VMs (server, client and graal). Made HotSpot build jobs use the number of CPUs on the host machine.
author Doug Simon <doug.simon@oracle.com>
date Mon, 13 Feb 2012 23:13:37 +0100
parents 1d1603768966
children 11c26bfcf8c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
2426
1d1603768966 7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
trims
parents: 2192
diff changeset
2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 196
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 196
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 196
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
25 #ifndef OS_LINUX_VM_OS_LINUX_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #define OS_LINUX_VM_OS_LINUX_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
28 #include "runtime/atomic.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
29 #include "runtime/os.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
30 #ifdef TARGET_OS_ARCH_linux_x86
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
31 # include "atomic_linux_x86.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
32 # include "orderAccess_linux_x86.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
33 #endif
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
34 #ifdef TARGET_OS_ARCH_linux_sparc
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
35 # include "atomic_linux_sparc.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
36 # include "orderAccess_linux_sparc.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
37 #endif
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
38 #ifdef TARGET_OS_ARCH_linux_zero
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
39 # include "atomic_linux_zero.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
40 # include "orderAccess_linux_zero.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
41 #endif
2192
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
42 #ifdef TARGET_OS_ARCH_linux_arm
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
43 # include "atomic_linux_arm.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
44 # include "orderAccess_linux_arm.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
45 #endif
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
46 #ifdef TARGET_OS_ARCH_linux_ppc
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
47 # include "atomic_linux_ppc.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
48 # include "orderAccess_linux_ppc.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 2033
diff changeset
49 #endif
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
50
1980
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
51 // System includes
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
52
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
53 #include <unistd.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
54 #include <sys/socket.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
55 #include <sys/poll.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
56 #include <netdb.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
57
0
a61af66fc99e Initial load
duke
parents:
diff changeset
58 inline void* os::thread_local_storage_at(int index) {
a61af66fc99e Initial load
duke
parents:
diff changeset
59 return pthread_getspecific((pthread_key_t)index);
a61af66fc99e Initial load
duke
parents:
diff changeset
60 }
a61af66fc99e Initial load
duke
parents:
diff changeset
61
a61af66fc99e Initial load
duke
parents:
diff changeset
62 inline const char* os::file_separator() {
a61af66fc99e Initial load
duke
parents:
diff changeset
63 return "/";
a61af66fc99e Initial load
duke
parents:
diff changeset
64 }
a61af66fc99e Initial load
duke
parents:
diff changeset
65
a61af66fc99e Initial load
duke
parents:
diff changeset
66 inline const char* os::line_separator() {
a61af66fc99e Initial load
duke
parents:
diff changeset
67 return "\n";
a61af66fc99e Initial load
duke
parents:
diff changeset
68 }
a61af66fc99e Initial load
duke
parents:
diff changeset
69
a61af66fc99e Initial load
duke
parents:
diff changeset
70 inline const char* os::path_separator() {
a61af66fc99e Initial load
duke
parents:
diff changeset
71 return ":";
a61af66fc99e Initial load
duke
parents:
diff changeset
72 }
a61af66fc99e Initial load
duke
parents:
diff changeset
73
a61af66fc99e Initial load
duke
parents:
diff changeset
74 inline const char* os::jlong_format_specifier() {
a61af66fc99e Initial load
duke
parents:
diff changeset
75 return "%lld";
a61af66fc99e Initial load
duke
parents:
diff changeset
76 }
a61af66fc99e Initial load
duke
parents:
diff changeset
77
a61af66fc99e Initial load
duke
parents:
diff changeset
78 inline const char* os::julong_format_specifier() {
a61af66fc99e Initial load
duke
parents:
diff changeset
79 return "%llu";
a61af66fc99e Initial load
duke
parents:
diff changeset
80 }
a61af66fc99e Initial load
duke
parents:
diff changeset
81
a61af66fc99e Initial load
duke
parents:
diff changeset
82 // File names are case-sensitive on windows only
a61af66fc99e Initial load
duke
parents:
diff changeset
83 inline int os::file_name_strcmp(const char* s1, const char* s2) {
a61af66fc99e Initial load
duke
parents:
diff changeset
84 return strcmp(s1, s2);
a61af66fc99e Initial load
duke
parents:
diff changeset
85 }
a61af66fc99e Initial load
duke
parents:
diff changeset
86
a61af66fc99e Initial load
duke
parents:
diff changeset
87 inline bool os::obsolete_option(const JavaVMOption *option) {
a61af66fc99e Initial load
duke
parents:
diff changeset
88 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
89 }
a61af66fc99e Initial load
duke
parents:
diff changeset
90
a61af66fc99e Initial load
duke
parents:
diff changeset
91 inline bool os::uses_stack_guard_pages() {
a61af66fc99e Initial load
duke
parents:
diff changeset
92 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
93 }
a61af66fc99e Initial load
duke
parents:
diff changeset
94
a61af66fc99e Initial load
duke
parents:
diff changeset
95 inline bool os::allocate_stack_guard_pages() {
a61af66fc99e Initial load
duke
parents:
diff changeset
96 assert(uses_stack_guard_pages(), "sanity check");
a61af66fc99e Initial load
duke
parents:
diff changeset
97 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
98 }
a61af66fc99e Initial load
duke
parents:
diff changeset
99
a61af66fc99e Initial load
duke
parents:
diff changeset
100
a61af66fc99e Initial load
duke
parents:
diff changeset
101 // On Linux, reservations are made on a page by page basis, nothing to do.
a61af66fc99e Initial load
duke
parents:
diff changeset
102 inline void os::split_reserved_memory(char *base, size_t size,
a61af66fc99e Initial load
duke
parents:
diff changeset
103 size_t split, bool realloc) {
a61af66fc99e Initial load
duke
parents:
diff changeset
104 }
a61af66fc99e Initial load
duke
parents:
diff changeset
105
a61af66fc99e Initial load
duke
parents:
diff changeset
106
a61af66fc99e Initial load
duke
parents:
diff changeset
107 // Bang the shadow pages if they need to be touched to be mapped.
a61af66fc99e Initial load
duke
parents:
diff changeset
108 inline void os::bang_stack_shadow_pages() {
a61af66fc99e Initial load
duke
parents:
diff changeset
109 }
a61af66fc99e Initial load
duke
parents:
diff changeset
110
1980
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
111 inline void os::dll_unload(void *lib) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
112 ::dlclose(lib);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
113 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
114
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
115 inline const int os::default_file_open_flags() { return 0;}
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
116
0
a61af66fc99e Initial load
duke
parents:
diff changeset
117 inline DIR* os::opendir(const char* dirname)
a61af66fc99e Initial load
duke
parents:
diff changeset
118 {
a61af66fc99e Initial load
duke
parents:
diff changeset
119 assert(dirname != NULL, "just checking");
a61af66fc99e Initial load
duke
parents:
diff changeset
120 return ::opendir(dirname);
a61af66fc99e Initial load
duke
parents:
diff changeset
121 }
a61af66fc99e Initial load
duke
parents:
diff changeset
122
a61af66fc99e Initial load
duke
parents:
diff changeset
123 inline int os::readdir_buf_size(const char *path)
a61af66fc99e Initial load
duke
parents:
diff changeset
124 {
a61af66fc99e Initial load
duke
parents:
diff changeset
125 return NAME_MAX + sizeof(dirent) + 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
126 }
a61af66fc99e Initial load
duke
parents:
diff changeset
127
1980
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
128 inline jlong os::lseek(int fd, jlong offset, int whence) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
129 return (jlong) ::lseek64(fd, offset, whence);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
130 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
131
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
132 inline int os::fsync(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
133 return ::fsync(fd);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
134 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
135
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
136 inline char* os::native_path(char *path) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
137 return path;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
138 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
139
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
140 inline int os::ftruncate(int fd, jlong length) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
141 return ::ftruncate64(fd, length);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
142 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
143
0
a61af66fc99e Initial load
duke
parents:
diff changeset
144 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)
a61af66fc99e Initial load
duke
parents:
diff changeset
145 {
a61af66fc99e Initial load
duke
parents:
diff changeset
146 dirent* p;
a61af66fc99e Initial load
duke
parents:
diff changeset
147 int status;
a61af66fc99e Initial load
duke
parents:
diff changeset
148 assert(dirp != NULL, "just checking");
a61af66fc99e Initial load
duke
parents:
diff changeset
149
a61af66fc99e Initial load
duke
parents:
diff changeset
150 // NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX
a61af66fc99e Initial load
duke
parents:
diff changeset
151 // version. Here is the doc for this function:
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html
a61af66fc99e Initial load
duke
parents:
diff changeset
153
a61af66fc99e Initial load
duke
parents:
diff changeset
154 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
155 errno = status;
a61af66fc99e Initial load
duke
parents:
diff changeset
156 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
157 } else
a61af66fc99e Initial load
duke
parents:
diff changeset
158 return p;
a61af66fc99e Initial load
duke
parents:
diff changeset
159 }
a61af66fc99e Initial load
duke
parents:
diff changeset
160
1980
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
161 inline int os::closedir(DIR *dirp) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
162 assert(dirp != NULL, "argument is NULL");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
163 return ::closedir(dirp);
a61af66fc99e Initial load
duke
parents:
diff changeset
164 }
a61af66fc99e Initial load
duke
parents:
diff changeset
165
a61af66fc99e Initial load
duke
parents:
diff changeset
166 // macros for restartable system calls
a61af66fc99e Initial load
duke
parents:
diff changeset
167
a61af66fc99e Initial load
duke
parents:
diff changeset
168 #define RESTARTABLE(_cmd, _result) do { \
a61af66fc99e Initial load
duke
parents:
diff changeset
169 _result = _cmd; \
a61af66fc99e Initial load
duke
parents:
diff changeset
170 } while(((int)_result == OS_ERR) && (errno == EINTR))
a61af66fc99e Initial load
duke
parents:
diff changeset
171
a61af66fc99e Initial load
duke
parents:
diff changeset
172 #define RESTARTABLE_RETURN_INT(_cmd) do { \
a61af66fc99e Initial load
duke
parents:
diff changeset
173 int _result; \
a61af66fc99e Initial load
duke
parents:
diff changeset
174 RESTARTABLE(_cmd, _result); \
a61af66fc99e Initial load
duke
parents:
diff changeset
175 return _result; \
a61af66fc99e Initial load
duke
parents:
diff changeset
176 } while(false)
141
fcbfc50865ab 6684395: Port NUMA-aware allocator to linux
iveresov
parents: 0
diff changeset
177
fcbfc50865ab 6684395: Port NUMA-aware allocator to linux
iveresov
parents: 0
diff changeset
178 inline bool os::numa_has_static_binding() { return true; }
fcbfc50865ab 6684395: Port NUMA-aware allocator to linux
iveresov
parents: 0
diff changeset
179 inline bool os::numa_has_group_homing() { return false; }
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
180
1980
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
181 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
182 size_t res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
183 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
184 return res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
185 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
186
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
187 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
188 size_t res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
189 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
190 return res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
191 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
192
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
193 inline int os::close(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
194 return ::close(fd);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
195 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
196
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
197 inline int os::socket_close(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
198 return ::close(fd);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
199 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
200
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
201 inline int os::socket(int domain, int type, int protocol) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
202 return ::socket(domain, type, protocol);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
203 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
204
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
205 inline int os::recv(int fd, char *buf, int nBytes, int flags) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
206 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, (unsigned int) flags));
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
207 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
208
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
209 inline int os::send(int fd, char *buf, int nBytes, int flags) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
210 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, (unsigned int) flags));
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
211 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
212
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
213 inline int os::raw_send(int fd, char *buf, int nBytes, int flags) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
214 return os::send(fd, buf, nBytes, flags);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
215 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
216
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
217 inline int os::timeout(int fd, long timeout) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
218 julong prevtime,newtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
219 struct timeval t;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
220
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
221 gettimeofday(&t, NULL);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
222 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
223
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
224 for(;;) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
225 struct pollfd pfd;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
226
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
227 pfd.fd = fd;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
228 pfd.events = POLLIN | POLLERR;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
229
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
230 int res = ::poll(&pfd, 1, timeout);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
231
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
232 if (res == OS_ERR && errno == EINTR) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
233
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
234 // On Linux any value < 0 means "forever"
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
235
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
236 if(timeout >= 0) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
237 gettimeofday(&t, NULL);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
238 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
239 timeout -= newtime - prevtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
240 if(timeout <= 0)
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
241 return OS_OK;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
242 prevtime = newtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
243 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
244 } else
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
245 return res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
246 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
247 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
248
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
249 inline int os::listen(int fd, int count) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
250 return ::listen(fd, count);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
251 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
252
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
253 inline int os::connect(int fd, struct sockaddr *him, int len) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
254 RESTARTABLE_RETURN_INT(::connect(fd, him, len));
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
255 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
256
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
257 inline int os::accept(int fd, struct sockaddr *him, int *len) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
258 // This cast is from int to unsigned int on linux. Since we
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
259 // only pass the parameter "len" around the vm and don't try to
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
260 // fetch it's value, this cast is safe for now. The java.net group
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
261 // may need and want to change this interface someday if socklen_t goes
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
262 // to 64 bits on some platform that we support.
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
263 // Linux doc says this can't return EINTR, unlike accept() on Solaris
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
264
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
265 return ::accept(fd, him, (socklen_t *)len);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
266 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
267
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
268 inline int os::recvfrom(int fd, char *buf, int nBytes, int flags,
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
269 sockaddr *from, int *fromlen) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
270 RESTARTABLE_RETURN_INT(::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen));
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
271 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
272
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
273 inline int os::sendto(int fd, char *buf, int len, int flags,
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
274 struct sockaddr *to, int tolen) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
275 RESTARTABLE_RETURN_INT(::sendto(fd, buf, len, (unsigned int) flags, to, tolen));
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
276 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
277
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
278 inline int os::socket_shutdown(int fd, int howto){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
279 return ::shutdown(fd, howto);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
280 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
281
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
282 inline int os::bind(int fd, struct sockaddr *him, int len){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
283 return ::bind(fd, him, len);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
284 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
285
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
286 inline int os::get_sock_name(int fd, struct sockaddr *him, int *len){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
287 return ::getsockname(fd, him, (socklen_t *)len);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
288 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
289
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
290 inline int os::get_host_name(char* name, int namelen){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
291 return ::gethostname(name, namelen);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
292 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
293
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
294 inline struct hostent* os::get_host_by_name(char* name) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
295 return ::gethostbyname(name);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
296 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
297 inline int os::get_sock_opt(int fd, int level, int optname,
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
298 char *optval, int* optlen){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
299 return ::getsockopt(fd, level, optname, optval, (socklen_t *)optlen);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
300 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
301
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
302 inline int os::set_sock_opt(int fd, int level, int optname,
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
303 const char *optval, int optlen){
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
304 return ::setsockopt(fd, level, optname, optval, optlen);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 1972
diff changeset
305 }
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
306 #endif // OS_LINUX_VM_OS_LINUX_INLINE_HPP