Mercurial > hg > truffle
view src/os/solaris/vm/os_solaris.inline.hpp @ 16658:5b78f8542ccd
[SPARC] Using now right opcodes for unsigned compare operations
author | Stefan Anzinger <stefan.anzinger@gmail.com> |
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date | Wed, 30 Jul 2014 08:41:52 -0700 |
parents | 4ca6dc0799b6 |
children | 7848fc12602b |
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/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP #define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP #include "runtime/atomic.inline.hpp" #include "runtime/os.hpp" #ifdef TARGET_OS_ARCH_solaris_x86 # include "orderAccess_solaris_x86.inline.hpp" #endif #ifdef TARGET_OS_ARCH_solaris_sparc # include "orderAccess_solaris_sparc.inline.hpp" #endif // System includes #include <sys/param.h> #include <dlfcn.h> #include <sys/socket.h> #include <sys/poll.h> #include <sys/filio.h> #include <unistd.h> #include <netdb.h> #include <setjmp.h> inline const char* os::file_separator() { return "/"; } inline const char* os::line_separator() { return "\n"; } inline const char* os::path_separator() { return ":"; } // 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::pd_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 void os::dll_unload(void *lib) { ::dlclose(lib); } 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) || _FILE_OFFSET_BITS==64 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) || _FILE_OFFSET_BITS==64 return ::readdir_r(dirp, dbuf); #endif // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64 } inline int os::closedir(DIR *dirp) { assert(dirp != NULL, "argument is NULL"); 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; } inline int os::socket(int domain, int type, int protocol) { return ::socket(domain, type, protocol); } inline int os::listen(int fd, int count) { if (fd < 0) return OS_ERR; return ::listen(fd, count); } inline int os::socket_shutdown(int fd, int howto){ return ::shutdown(fd, howto); } inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len){ return ::getsockname(fd, him, len); } inline int os::get_host_name(char* name, int namelen){ return ::gethostname(name, namelen); } inline struct hostent* os::get_host_by_name(char* name) { return ::gethostbyname(name); } inline int os::get_sock_opt(int fd, int level, int optname, char* optval, socklen_t* optlen) { return ::getsockopt(fd, level, optname, optval, optlen); } inline int os::set_sock_opt(int fd, int level, int optname, const char *optval, socklen_t optlen) { return ::setsockopt(fd, level, optname, optval, optlen); } #endif // OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP