truffle: src/os/linux/vm/os_linux.inline.hpp annotate

annotate src/os/linux/vm/os_linux.inline.hpp @ 7212:291ffc492eb6

Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/

author	Doug Simon <doug.simon@oracle.com>
date	Fri, 14 Dec 2012 14:35:13 +0100
parents	cd3d6a6b95d9
children	203f64878aab

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
6842 b9a9ed0f8eeb 7197424: update copyright year to match last edit in jdk8 hotspot repository mikael parents: 6197 diff changeset	2 * Copyright (c) 1999, 2012, 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"
7199 cd3d6a6b95d9 8003240: x86: move MacroAssembler into separate file twisti parents: 6842 diff changeset	29 #include "runtime/atomic.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	30 #include "runtime/os.hpp"
7199 cd3d6a6b95d9 8003240: x86: move MacroAssembler into separate file twisti parents: 6842 diff changeset	31
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	32 #ifdef TARGET_OS_ARCH_linux_x86
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	33 # include "orderAccess_linux_x86.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	34 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	35 #ifdef TARGET_OS_ARCH_linux_sparc
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 "orderAccess_linux_zero.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	40 #endif
2192 b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	41 #ifdef TARGET_OS_ARCH_linux_arm
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	42 # include "orderAccess_linux_arm.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	43 #endif
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	44 #ifdef TARGET_OS_ARCH_linux_ppc
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	45 # include "orderAccess_linux_ppc.inline.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2033 diff changeset	46 #endif
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	47
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	48 // System includes
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	49
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	50 #include <unistd.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	51 #include <sys/socket.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	52 #include <sys/poll.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	53 #include <netdb.h>
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	54
0 a61af66fc99e Initial load duke parents: diff changeset	55 inline void* os::thread_local_storage_at(int index) {
a61af66fc99e Initial load duke parents: diff changeset	56 return pthread_getspecific((pthread_key_t)index);
a61af66fc99e Initial load duke parents: diff changeset	57 }
a61af66fc99e Initial load duke parents: diff changeset	58
a61af66fc99e Initial load duke parents: diff changeset	59 inline const char* os::file_separator() {
a61af66fc99e Initial load duke parents: diff changeset	60 return "/";
a61af66fc99e Initial load duke parents: diff changeset	61 }
a61af66fc99e Initial load duke parents: diff changeset	62
a61af66fc99e Initial load duke parents: diff changeset	63 inline const char* os::line_separator() {
a61af66fc99e Initial load duke parents: diff changeset	64 return "\n";
a61af66fc99e Initial load duke parents: diff changeset	65 }
a61af66fc99e Initial load duke parents: diff changeset	66
a61af66fc99e Initial load duke parents: diff changeset	67 inline const char* os::path_separator() {
a61af66fc99e Initial load duke parents: diff changeset	68 return ":";
a61af66fc99e Initial load duke parents: diff changeset	69 }
a61af66fc99e Initial load duke parents: diff changeset	70
a61af66fc99e Initial load duke parents: diff changeset	71 inline const char* os::jlong_format_specifier() {
a61af66fc99e Initial load duke parents: diff changeset	72 return "%lld";
a61af66fc99e Initial load duke parents: diff changeset	73 }
a61af66fc99e Initial load duke parents: diff changeset	74
a61af66fc99e Initial load duke parents: diff changeset	75 inline const char* os::julong_format_specifier() {
a61af66fc99e Initial load duke parents: diff changeset	76 return "%llu";
a61af66fc99e Initial load duke parents: diff changeset	77 }
a61af66fc99e Initial load duke parents: diff changeset	78
a61af66fc99e Initial load duke parents: diff changeset	79 // File names are case-sensitive on windows only
a61af66fc99e Initial load duke parents: diff changeset	80 inline int os::file_name_strcmp(const char* s1, const char* s2) {
a61af66fc99e Initial load duke parents: diff changeset	81 return strcmp(s1, s2);
a61af66fc99e Initial load duke parents: diff changeset	82 }
a61af66fc99e Initial load duke parents: diff changeset	83
a61af66fc99e Initial load duke parents: diff changeset	84 inline bool os::obsolete_option(const JavaVMOption *option) {
a61af66fc99e Initial load duke parents: diff changeset	85 return false;
a61af66fc99e Initial load duke parents: diff changeset	86 }
a61af66fc99e Initial load duke parents: diff changeset	87
a61af66fc99e Initial load duke parents: diff changeset	88 inline bool os::uses_stack_guard_pages() {
a61af66fc99e Initial load duke parents: diff changeset	89 return true;
a61af66fc99e Initial load duke parents: diff changeset	90 }
a61af66fc99e Initial load duke parents: diff changeset	91
a61af66fc99e Initial load duke parents: diff changeset	92 inline bool os::allocate_stack_guard_pages() {
a61af66fc99e Initial load duke parents: diff changeset	93 assert(uses_stack_guard_pages(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	94 return true;
a61af66fc99e Initial load duke parents: diff changeset	95 }
a61af66fc99e Initial load duke parents: diff changeset	96
a61af66fc99e Initial load duke parents: diff changeset	97
a61af66fc99e Initial load duke parents: diff changeset	98 // On Linux, reservations are made on a page by page basis, nothing to do.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 4717 diff changeset	99 inline void os::pd_split_reserved_memory(char *base, size_t size,
0 a61af66fc99e Initial load duke parents: diff changeset	100 size_t split, bool realloc) {
a61af66fc99e Initial load duke parents: diff changeset	101 }
a61af66fc99e Initial load duke parents: diff changeset	102
a61af66fc99e Initial load duke parents: diff changeset	103
a61af66fc99e Initial load duke parents: diff changeset	104 // Bang the shadow pages if they need to be touched to be mapped.
a61af66fc99e Initial load duke parents: diff changeset	105 inline void os::bang_stack_shadow_pages() {
a61af66fc99e Initial load duke parents: diff changeset	106 }
a61af66fc99e Initial load duke parents: diff changeset	107
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	108 inline void os::dll_unload(void *lib) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	109 ::dlclose(lib);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	110 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	111
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	112 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	113
0 a61af66fc99e Initial load duke parents: diff changeset	114 inline DIR* os::opendir(const char* dirname)
a61af66fc99e Initial load duke parents: diff changeset	115 {
a61af66fc99e Initial load duke parents: diff changeset	116 assert(dirname != NULL, "just checking");
a61af66fc99e Initial load duke parents: diff changeset	117 return ::opendir(dirname);
a61af66fc99e Initial load duke parents: diff changeset	118 }
a61af66fc99e Initial load duke parents: diff changeset	119
a61af66fc99e Initial load duke parents: diff changeset	120 inline int os::readdir_buf_size(const char *path)
a61af66fc99e Initial load duke parents: diff changeset	121 {
a61af66fc99e Initial load duke parents: diff changeset	122 return NAME_MAX + sizeof(dirent) + 1;
a61af66fc99e Initial load duke parents: diff changeset	123 }
a61af66fc99e Initial load duke parents: diff changeset	124
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	125 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	126 return (jlong) ::lseek64(fd, offset, whence);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	127 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	128
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	129 inline int os::fsync(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	130 return ::fsync(fd);
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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	133 inline char* os::native_path(char *path) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	134 return path;
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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	137 inline int os::ftruncate(int fd, jlong length) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	138 return ::ftruncate64(fd, length);
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
0 a61af66fc99e Initial load duke parents: diff changeset	141 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)
a61af66fc99e Initial load duke parents: diff changeset	142 {
a61af66fc99e Initial load duke parents: diff changeset	143 dirent* p;
a61af66fc99e Initial load duke parents: diff changeset	144 int status;
a61af66fc99e Initial load duke parents: diff changeset	145 assert(dirp != NULL, "just checking");
a61af66fc99e Initial load duke parents: diff changeset	146
a61af66fc99e Initial load duke parents: diff changeset	147 // 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	148 // version. Here is the doc for this function:
a61af66fc99e Initial load duke parents: diff changeset	149 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html
a61af66fc99e Initial load duke parents: diff changeset	150
a61af66fc99e Initial load duke parents: diff changeset	151 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
a61af66fc99e Initial load duke parents: diff changeset	152 errno = status;
a61af66fc99e Initial load duke parents: diff changeset	153 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	154 } else
a61af66fc99e Initial load duke parents: diff changeset	155 return p;
a61af66fc99e Initial load duke parents: diff changeset	156 }
a61af66fc99e Initial load duke parents: diff changeset	157
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	158 inline int os::closedir(DIR *dirp) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	159 assert(dirp != NULL, "argument is NULL");
0 a61af66fc99e Initial load duke parents: diff changeset	160 return ::closedir(dirp);
a61af66fc99e Initial load duke parents: diff changeset	161 }
a61af66fc99e Initial load duke parents: diff changeset	162
a61af66fc99e Initial load duke parents: diff changeset	163 // macros for restartable system calls
a61af66fc99e Initial load duke parents: diff changeset	164
a61af66fc99e Initial load duke parents: diff changeset	165 #define RESTARTABLE(_cmd, _result) do { \
a61af66fc99e Initial load duke parents: diff changeset	166 _result = _cmd; \
a61af66fc99e Initial load duke parents: diff changeset	167 } while(((int)_result == OS_ERR) && (errno == EINTR))
a61af66fc99e Initial load duke parents: diff changeset	168
a61af66fc99e Initial load duke parents: diff changeset	169 #define RESTARTABLE_RETURN_INT(_cmd) do { \
a61af66fc99e Initial load duke parents: diff changeset	170 int _result; \
a61af66fc99e Initial load duke parents: diff changeset	171 RESTARTABLE(_cmd, _result); \
a61af66fc99e Initial load duke parents: diff changeset	172 return _result; \
a61af66fc99e Initial load duke parents: diff changeset	173 } while(false)
141 fcbfc50865ab 6684395: Port NUMA-aware allocator to linux iveresov parents: 0 diff changeset	174
fcbfc50865ab 6684395: Port NUMA-aware allocator to linux iveresov parents: 0 diff changeset	175 inline bool os::numa_has_static_binding() { return true; }
fcbfc50865ab 6684395: Port NUMA-aware allocator to linux iveresov parents: 0 diff changeset	176 inline bool os::numa_has_group_homing() { return false; }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	177
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	178 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	179 size_t res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	180 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	181 return res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	182 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	183
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	184 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	185 size_t res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	186 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	187 return res;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	188 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	189
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	190 inline int os::close(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	191 return ::close(fd);
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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	194 inline int os::socket_close(int fd) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	195 return ::close(fd);
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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	198 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	199 return ::socket(domain, type, protocol);
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	202 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	203 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags));
1980 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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	206 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	207 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags));
1980 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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	210 inline int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	211 return os::send(fd, buf, nBytes, flags);
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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	214 inline int os::timeout(int fd, long timeout) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	215 julong prevtime,newtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	216 struct timeval t;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	217
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	218 gettimeofday(&t, NULL);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	219 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	220
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	221 for(;;) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	222 struct pollfd pfd;
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 pfd.fd = fd;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	225 pfd.events = POLLIN \| POLLERR;
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 int res = ::poll(&pfd, 1, timeout);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	228
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	229 if (res == OS_ERR && errno == EINTR) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	230
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	231 // On Linux any value < 0 means "forever"
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	232
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	233 if(timeout >= 0) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	234 gettimeofday(&t, NULL);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	235 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	236 timeout -= newtime - prevtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	237 if(timeout <= 0)
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	238 return OS_OK;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	239 prevtime = newtime;
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	240 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	241 } else
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	242 return res;
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 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	245
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	246 inline int os::listen(int fd, int count) {
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	247 return ::listen(fd, count);
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	250 inline int os::connect(int fd, struct sockaddr* him, socklen_t len) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	251 RESTARTABLE_RETURN_INT(::connect(fd, him, len));
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	254 inline int os::accept(int fd, struct sockaddr* him, socklen_t* len) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	255 // Linux doc says this can't return EINTR, unlike accept() on Solaris.
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	256 // But see attachListener_linux.cpp, LinuxAttachListener::dequeue().
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	257 return (int)::accept(fd, him, len);
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	258 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	259
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	260 inline int os::recvfrom(int fd, char* buf, size_t nBytes, uint flags,
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	261 sockaddr* from, socklen_t* fromlen) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	262 RESTARTABLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, flags, from, fromlen));
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	263 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	264
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	265 inline int os::sendto(int fd, char* buf, size_t len, uint flags,
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	266 struct sockaddr* to, socklen_t tolen) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	267 RESTARTABLE_RETURN_INT((int)::sendto(fd, buf, len, flags, to, tolen));
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	268 }
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	269
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	270 inline int os::socket_shutdown(int fd, int howto) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	271 return ::shutdown(fd, howto);
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	274 inline int os::bind(int fd, struct sockaddr* him, socklen_t len) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	275 return ::bind(fd, him, len);
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	278 inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	279 return ::getsockname(fd, him, len);
1980 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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	282 inline int os::get_host_name(char* name, int namelen) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	283 return ::gethostname(name, namelen);
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
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	286 inline struct hostent* os::get_host_by_name(char* name) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	287 return ::gethostbyname(name);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	288 }
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	289
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	290 inline int os::get_sock_opt(int fd, int level, int optname,
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	291 char* optval, socklen_t* optlen) {
11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	292 return ::getsockopt(fd, level, optname, optval, optlen);
1980 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
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	295 inline int os::set_sock_opt(int fd, int level, int optname,
4717 11c26bfcf8c7 7091417: recvfrom's 6th input should be of type socklen_t phh parents: 2426 diff changeset	296 const char* optval, socklen_t optlen) {
1980 828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	297 return ::setsockopt(fd, level, optname, optval, optlen);
828eafbd85cc 6348631: remove the use of the HPI library from Hotspot ikrylov parents: 1972 diff changeset	298 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	299 #endif // OS_LINUX_VM_OS_LINUX_INLINE_HPP

Mercurial > hg > truffle

annotate src/os/linux/vm/os_linux.inline.hpp @ 7212:291ffc492eb6