Mercurial > hg > truffle
view src/os/solaris/vm/os_solaris.inline.hpp @ 954:0f1c19b7a52d
6875619: CTW fails with /hotspot/src/share/vm/opto/type.hpp
Summary: In load_array_length() cast array's type to TypeOopPtr when calling make_ideal_length() method.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 08 Sep 2009 10:42:50 -0700 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
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/* * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ inline const char* os::file_separator() { return "/"; } inline const char* os::line_separator() { return "\n"; } inline const char* os::path_separator() { return ":"; } inline const char* os::jlong_format_specifier() { return "%lld"; } inline const char* os::julong_format_specifier() { return "%llu"; } // File names are case-sensitive on windows only inline int os::file_name_strcmp(const char* s1, const char* s2) { return strcmp(s1, s2); } inline bool os::uses_stack_guard_pages() { return true; } inline bool os::allocate_stack_guard_pages() { assert(uses_stack_guard_pages(), "sanity check"); int r = thr_main() ; guarantee (r == 0 || r == 1, "CR6501650 or CR6493689") ; return r; } // On Solaris, reservations are made on a page by page basis, nothing to do. inline void os::split_reserved_memory(char *base, size_t size, size_t split, bool realloc) { } // Bang the shadow pages if they need to be touched to be mapped. inline void os::bang_stack_shadow_pages() { } inline DIR* os::opendir(const char* dirname) { assert(dirname != NULL, "just checking"); return ::opendir(dirname); } inline int os::readdir_buf_size(const char *path) { int size = pathconf(path, _PC_NAME_MAX); return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1; } inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) { assert(dirp != NULL, "just checking"); #if defined(_LP64) || defined(_GNU_SOURCE) dirent* p; int status; if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { errno = status; return NULL; } else return p; #else // defined(_LP64) || defined(_GNU_SOURCE) return ::readdir_r(dirp, dbuf); #endif // defined(_LP64) || defined(_GNU_SOURCE) } inline int os::closedir(DIR *dirp) { assert(dirp != NULL, "just checking"); return ::closedir(dirp); } ////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// // macros for interruptible io and system calls and system call restarting #define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \ do { \ _setup; \ _before; \ OSThread* _osthread = _thread->osthread(); \ if (_int_enable && _thread->has_last_Java_frame()) { \ /* this is java interruptible io stuff */ \ if (os::is_interrupted(_thread, _clear)) { \ os::Solaris::bump_interrupted_before_count(); \ _result = OS_INTRPT; \ } else { \ /* _cmd always expands to an assignment to _result */ \ if ((_cmd) < 0 && errno == EINTR \ && os::is_interrupted(_thread, _clear)) { \ os::Solaris::bump_interrupted_during_count(); \ _result = OS_INTRPT; \ } \ } \ } else { \ /* this is normal blocking io stuff */ \ _cmd; \ } \ _after; \ } while(false) // Interruptible io support + restarting of interrupted system calls #ifndef ASSERT #define INTERRUPTIBLE(_cmd, _result, _clear) do { \ _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO); \ } while((_result == OS_ERR) && (errno == EINTR)) #else // This adds an assertion that it is only called from thread_in_native // The call overhead is skipped for performance in product mode #define INTERRUPTIBLE(_cmd, _result, _clear) do { \ _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ); \ } while((_result == OS_ERR) && (errno == EINTR)) #endif // Used for calls from _thread_in_vm, not from _thread_in_native #define INTERRUPTIBLE_VM(_cmd, _result, _clear) do { \ _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible(_thread), UseVMInterruptibleIO ); \ } while((_result == OS_ERR) && (errno == EINTR)) /* Use NORESTART when the system call cannot return EINTR, when something other than a system call is being invoked, or when the caller must do EINTR handling. */ #ifndef ASSERT #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \ _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO) #else // This adds an assertion that it is only called from thread_in_native // The call overhead is skipped for performance in product mode #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \ _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ) #endif // Don't attend to UseVMInterruptibleIO. Always allow interruption. // Also assumes that it is called from the _thread_blocked state. // Used by os_sleep(). #define INTERRUPTIBLE_NORESTART_VM_ALWAYS(_cmd, _result, _thread, _clear) \ _INTERRUPTIBLE(os::Solaris::setup_interruptible_already_blocked(_thread), _result = _cmd, _result, _thread, _clear, , , true ) #define INTERRUPTIBLE_RETURN_INT(_cmd, _clear) do { \ int _result; \ do { \ INTERRUPTIBLE(_cmd, _result, _clear); \ } while((_result == OS_ERR) && (errno == EINTR)); \ return _result; \ } while(false) #define INTERRUPTIBLE_RETURN_INT_VM(_cmd, _clear) do { \ int _result; \ do { \ INTERRUPTIBLE_VM(_cmd, _result, _clear); \ } while((_result == OS_ERR) && (errno == EINTR)); \ return _result; \ } while(false) #define INTERRUPTIBLE_RETURN_INT_NORESTART(_cmd, _clear) do { \ int _result; \ INTERRUPTIBLE_NORESTART(_cmd, _result, _clear); \ return _result; \ } while(false) /* Use the RESTARTABLE macros when interruptible io is not needed */ #define RESTARTABLE(_cmd, _result) do { \ do { \ _result = _cmd; \ } while((_result == OS_ERR) && (errno == EINTR)); \ } while(false) #define RESTARTABLE_RETURN_INT(_cmd) do { \ int _result; \ RESTARTABLE(_cmd, _result); \ return _result; \ } while(false) inline bool os::numa_has_static_binding() { return false; } inline bool os::numa_has_group_homing() { return true; }