jdk8-mips64-public/hotspot: src/os/linux/vm/os

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

     1 /*

     2  * Copyright (c) 1999, 2010, 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  *

    23  */

    25 #ifndef OS_LINUX_VM_OS_LINUX_INLINE_HPP

    26 #define OS_LINUX_VM_OS_LINUX_INLINE_HPP

    28 #include "runtime/atomic.hpp"

    29 #include "runtime/os.hpp"

    30 #ifdef TARGET_OS_ARCH_linux_x86

    31 # include "atomic_linux_x86.inline.hpp"

    32 # include "orderAccess_linux_x86.inline.hpp"

    33 #endif

    34 #ifdef TARGET_OS_ARCH_linux_sparc

    35 # include "atomic_linux_sparc.inline.hpp"

    36 # include "orderAccess_linux_sparc.inline.hpp"

    37 #endif

    38 #ifdef TARGET_OS_ARCH_linux_zero

    39 # include "atomic_linux_zero.inline.hpp"

    40 # include "orderAccess_linux_zero.inline.hpp"

    41 #endif

    43 inline void* os::thread_local_storage_at(int index) {

    44   return pthread_getspecific((pthread_key_t)index);

    45 }

    47 inline const char* os::file_separator() {

    48   return "/";

    49 }

    51 inline const char* os::line_separator() {

    52   return "\n";

    53 }

    55 inline const char* os::path_separator() {

    56   return ":";

    57 }

    59 inline const char* os::jlong_format_specifier() {

    60   return "%lld";

    61 }

    63 inline const char* os::julong_format_specifier() {

    64   return "%llu";

    65 }

    67 // File names are case-sensitive on windows only

    68 inline int os::file_name_strcmp(const char* s1, const char* s2) {

    69   return strcmp(s1, s2);

    70 }

    72 inline bool os::obsolete_option(const JavaVMOption *option) {

    73   return false;

    74 }

    76 inline bool os::uses_stack_guard_pages() {

    77   return true;

    78 }

    80 inline bool os::allocate_stack_guard_pages() {

    81   assert(uses_stack_guard_pages(), "sanity check");

    82   return true;

    83 }

    86 // On Linux, reservations are made on a page by page basis, nothing to do.

    87 inline void os::split_reserved_memory(char *base, size_t size,

    88                                       size_t split, bool realloc) {

    89 }

    92 // Bang the shadow pages if they need to be touched to be mapped.

    93 inline void os::bang_stack_shadow_pages() {

    94 }

    96 inline DIR* os::opendir(const char* dirname)

    97 {

    98   assert(dirname != NULL, "just checking");

    99   return ::opendir(dirname);

   100 }

   102 inline int os::readdir_buf_size(const char *path)

   103 {

   104   return NAME_MAX + sizeof(dirent) + 1;

   105 }

   107 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)

   108 {

   109   dirent* p;

   110   int status;

   111   assert(dirp != NULL, "just checking");

   113   // NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX

   114   // version. Here is the doc for this function:

   115   // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html

   117   if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {

   118     errno = status;

   119     return NULL;

   120   } else

   121     return p;

   122 }

   124 inline int os::closedir(DIR *dirp)

   125 {

   126   assert(dirp != NULL, "just checking");

   127   return ::closedir(dirp);

   128 }

   130 // macros for restartable system calls

   132 #define RESTARTABLE(_cmd, _result) do { \

   133     _result = _cmd; \

   134   } while(((int)_result == OS_ERR) && (errno == EINTR))

   136 #define RESTARTABLE_RETURN_INT(_cmd) do { \

   137   int _result; \

   138   RESTARTABLE(_cmd, _result); \

   139   return _result; \

   140 } while(false)

   142 inline bool os::numa_has_static_binding()   { return true; }

   143 inline bool os::numa_has_group_homing()     { return false;  }

   145 #endif // OS_LINUX_VM_OS_LINUX_INLINE_HPP

src/os/linux/vm/os_linux.inline.hpp@f95d63e2154a

src/os/linux/vm/os_linux.inline.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/os/linux/vm/os_linux.inline.hpp@f95d63e2154a

src/os/linux/vm/os_linux.inline.hpp