duke@435: /*
hseigel@4465:  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP
stefank@2314: #define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP
stefank@2314: 
twisti@4318: #include "runtime/atomic.inline.hpp"
stefank@2314: #include "runtime/os.hpp"
twisti@4318: 
stefank@2314: #ifdef TARGET_OS_ARCH_solaris_x86
stefank@2314: # include "orderAccess_solaris_x86.inline.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_solaris_sparc
stefank@2314: # include "orderAccess_solaris_sparc.inline.hpp"
stefank@2314: #endif
stefank@2314: 
ikrylov@2322: // System includes
ikrylov@2322: #include <sys/param.h>
ikrylov@2322: #include <dlfcn.h>
ikrylov@2322: #include <sys/socket.h>
ikrylov@2322: #include <sys/poll.h>
ikrylov@2322: #include <sys/filio.h>
ikrylov@2322: #include <unistd.h>
ikrylov@2322: #include <netdb.h>
ikrylov@2322: #include <setjmp.h>
ikrylov@2322: 
duke@435: inline const char* os::file_separator() { return "/"; }
duke@435: inline const char* os::line_separator() { return "\n"; }
duke@435: inline const char* os::path_separator() { return ":"; }
duke@435: 
duke@435: // File names are case-sensitive on windows only
duke@435: inline int os::file_name_strcmp(const char* s1, const char* s2) {
duke@435:   return strcmp(s1, s2);
duke@435: }
duke@435: 
duke@435: inline bool os::uses_stack_guard_pages() {
duke@435:   return true;
duke@435: }
duke@435: 
duke@435: inline bool os::allocate_stack_guard_pages() {
duke@435:   assert(uses_stack_guard_pages(), "sanity check");
duke@435:   int r = thr_main() ;
duke@435:   guarantee (r == 0 || r == 1, "CR6501650 or CR6493689") ;
duke@435:   return r;
duke@435: }
duke@435: 
duke@435: 
duke@435: // On Solaris, reservations are made on a page by page basis, nothing to do.
zgu@3900: inline void os::pd_split_reserved_memory(char *base, size_t size,
duke@435:                                       size_t split, bool realloc) {
duke@435: }
duke@435: 
duke@435: 
duke@435: // Bang the shadow pages if they need to be touched to be mapped.
duke@435: inline void os::bang_stack_shadow_pages() {
duke@435: }
ikrylov@2322: inline void os::dll_unload(void *lib) { ::dlclose(lib); }
duke@435: 
ikrylov@2322: inline DIR* os::opendir(const char* dirname) {
duke@435:   assert(dirname != NULL, "just checking");
duke@435:   return ::opendir(dirname);
duke@435: }
duke@435: 
ikrylov@2322: inline int os::readdir_buf_size(const char *path) {
duke@435:   int size = pathconf(path, _PC_NAME_MAX);
duke@435:   return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1;
duke@435: }
duke@435: 
ikrylov@2322: inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) {
duke@435:   assert(dirp != NULL, "just checking");
tamao@5309: #if defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
duke@435:   dirent* p;
duke@435:   int status;
duke@435: 
duke@435:   if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
duke@435:     errno = status;
duke@435:     return NULL;
duke@435:   } else
duke@435:     return p;
tamao@5309: #else  // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
duke@435:   return ::readdir_r(dirp, dbuf);
tamao@5309: #endif // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
duke@435: }
duke@435: 
ikrylov@2322: inline int os::closedir(DIR *dirp) {
ikrylov@2322:   assert(dirp != NULL, "argument is NULL");
duke@435:   return ::closedir(dirp);
duke@435: }
duke@435: 
duke@435: //////////////////////////////////////////////////////////////////////////////
duke@435: ////////////////////////////////////////////////////////////////////////////////
duke@435: 
duke@435: // macros for interruptible io and system calls and system call restarting
duke@435: 
duke@435: #define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \
duke@435: do { \
duke@435:   _setup; \
duke@435:   _before; \
duke@435:   OSThread* _osthread = _thread->osthread(); \
duke@435:   if (_int_enable && _thread->has_last_Java_frame()) { \
duke@435:     /* this is java interruptible io stuff */ \
duke@435:     if (os::is_interrupted(_thread, _clear))  { \
duke@435:       os::Solaris::bump_interrupted_before_count(); \
duke@435:       _result = OS_INTRPT; \
duke@435:     } else { \
duke@435:       /* _cmd always expands to an assignment to _result */ \
duke@435:       if ((_cmd) < 0 && errno == EINTR  \
duke@435:        && os::is_interrupted(_thread, _clear)) { \
duke@435:         os::Solaris::bump_interrupted_during_count(); \
duke@435:         _result = OS_INTRPT; \
duke@435:       } \
duke@435:     } \
duke@435:   } else { \
duke@435:     /* this is normal blocking io stuff */ \
duke@435:     _cmd; \
duke@435:   } \
duke@435:   _after; \
duke@435: } while(false)
duke@435: 
duke@435: // Interruptible io support + restarting of interrupted system calls
duke@435: 
duke@435: #ifndef ASSERT
duke@435: 
duke@435: #define INTERRUPTIBLE(_cmd, _result, _clear) do { \
duke@435:   _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO); \
duke@435: } while((_result == OS_ERR) && (errno == EINTR))
duke@435: 
duke@435: #else
duke@435: 
duke@435: // This adds an assertion that it is only called from thread_in_native
duke@435: // The call overhead is skipped for performance in product mode
duke@435: #define INTERRUPTIBLE(_cmd, _result, _clear) do { \
duke@435:   _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ); \
duke@435: } while((_result == OS_ERR) && (errno == EINTR))
duke@435: 
duke@435: #endif
duke@435: 
duke@435: // Used for calls from _thread_in_vm, not from _thread_in_native
duke@435: #define INTERRUPTIBLE_VM(_cmd, _result, _clear) do { \
duke@435:   _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible(_thread), UseVMInterruptibleIO ); \
duke@435: } while((_result == OS_ERR) && (errno == EINTR))
duke@435: 
duke@435: /* Use NORESTART when the system call cannot return EINTR, when something other
duke@435:    than a system call is being invoked, or when the caller must do EINTR
duke@435:    handling. */
duke@435: 
duke@435: #ifndef ASSERT
duke@435: 
duke@435: #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \
duke@435:   _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO)
duke@435: 
duke@435: #else
duke@435: 
duke@435: // This adds an assertion that it is only called from thread_in_native
duke@435: // The call overhead is skipped for performance in product mode
duke@435: #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \
duke@435:   _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO )
duke@435: 
duke@435: #endif
duke@435: 
duke@435: // Don't attend to UseVMInterruptibleIO. Always allow interruption.
duke@435: // Also assumes that it is called from the _thread_blocked state.
duke@435: // Used by os_sleep().
duke@435: 
duke@435: #define INTERRUPTIBLE_NORESTART_VM_ALWAYS(_cmd, _result, _thread, _clear) \
duke@435:   _INTERRUPTIBLE(os::Solaris::setup_interruptible_already_blocked(_thread), _result = _cmd, _result, _thread, _clear, , , true )
duke@435: 
duke@435: #define INTERRUPTIBLE_RETURN_INT(_cmd, _clear) do { \
duke@435:   int _result; \
duke@435:   do { \
duke@435:     INTERRUPTIBLE(_cmd, _result, _clear); \
duke@435:   } while((_result == OS_ERR) && (errno == EINTR)); \
duke@435:   return _result; \
duke@435: } while(false)
duke@435: 
duke@435: #define INTERRUPTIBLE_RETURN_INT_VM(_cmd, _clear) do { \
duke@435:   int _result; \
duke@435:   do { \
duke@435:     INTERRUPTIBLE_VM(_cmd, _result, _clear); \
duke@435:   } while((_result == OS_ERR) && (errno == EINTR)); \
duke@435:   return _result; \
duke@435: } while(false)
duke@435: 
duke@435: #define INTERRUPTIBLE_RETURN_INT_NORESTART(_cmd, _clear) do { \
duke@435:   int _result; \
duke@435:   INTERRUPTIBLE_NORESTART(_cmd, _result, _clear); \
duke@435:   return _result; \
duke@435: } while(false)
duke@435: 
duke@435: /* Use the RESTARTABLE macros when interruptible io is not needed */
duke@435: 
duke@435: #define RESTARTABLE(_cmd, _result) do { \
duke@435:   do { \
duke@435:     _result = _cmd; \
duke@435:   } while((_result == OS_ERR) && (errno == EINTR)); \
duke@435: } while(false)
duke@435: 
duke@435: #define RESTARTABLE_RETURN_INT(_cmd) do { \
duke@435:   int _result; \
duke@435:   RESTARTABLE(_cmd, _result); \
duke@435:   return _result; \
duke@435: } while(false)
iveresov@576: 
iveresov@576: inline bool os::numa_has_static_binding()   { return false; }
iveresov@576: inline bool os::numa_has_group_homing()     { return true;  }
stefank@2314: 
ikrylov@2322: inline int    os::socket(int domain, int type, int protocol) {
ikrylov@2322:   return ::socket(domain, type, protocol);
ikrylov@2322: }
ikrylov@2322: 
ikrylov@2322: inline int    os::listen(int fd, int count) {
ikrylov@2322:   if (fd < 0) return OS_ERR;
ikrylov@2322: 
ikrylov@2322:   return ::listen(fd, count);
ikrylov@2322: }
ikrylov@2322: 
ikrylov@2322: inline int os::socket_shutdown(int fd, int howto){
ikrylov@2322:   return ::shutdown(fd, howto);
ikrylov@2322: }
ikrylov@2322: 
phh@3344: inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len){
phh@3344:   return ::getsockname(fd, him, len);
ikrylov@2322: }
ikrylov@2322: 
ikrylov@2322: inline int os::get_host_name(char* name, int namelen){
ikrylov@2322:   return ::gethostname(name, namelen);
ikrylov@2322: }
ikrylov@2322: 
phh@3344: inline struct hostent* os::get_host_by_name(char* name) {
ikrylov@2322:   return ::gethostbyname(name);
ikrylov@2322: }
phh@3344: 
ikrylov@2322: inline int os::get_sock_opt(int fd, int level, int optname,
phh@3344:                             char* optval, socklen_t* optlen) {
phh@3344:   return ::getsockopt(fd, level, optname, optval, optlen);
ikrylov@2322: }
ikrylov@2322: 
ikrylov@2322: inline int os::set_sock_opt(int fd, int level, int optname,
phh@3344:                             const char *optval, socklen_t optlen) {
ikrylov@2322:   return ::setsockopt(fd, level, optname, optval, optlen);
ikrylov@2322: }
stefank@2314: #endif // OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP