1 /* 2 * Copyright (c) 2002, 2011, 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 */ 24 25 #ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP 26 #define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP 27 28 #ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE 29 #error "This file should only be included from thread.inline.hpp" 30 #endif 31 32 #include "runtime/atomic.hpp" 33 #include "runtime/prefetch.hpp" 34 #include "runtime/thread.hpp" 35 #include "runtime/threadLocalStorage.hpp" 36 #ifdef TARGET_OS_ARCH_solaris_x86 37 # include "atomic_solaris_x86.inline.hpp" 38 # include "orderAccess_solaris_x86.inline.hpp" 39 # include "prefetch_solaris_x86.inline.hpp" 40 #endif 41 #ifdef TARGET_OS_ARCH_solaris_sparc 42 # include "atomic_solaris_sparc.inline.hpp" 43 # include "orderAccess_solaris_sparc.inline.hpp" 44 # include "prefetch_solaris_sparc.inline.hpp" 45 #endif 46 47 // Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of 48 // startup. 49 // ThreadLocalStorage::thread is warm -- it's called > 16K times in the same 50 // period. Thread::current() now calls ThreadLocalStorage::thread() directly. 51 // For SPARC, to avoid excessive register window spill-fill faults, 52 // we aggressively inline these routines. 53 54 inline Thread* ThreadLocalStorage::thread() { 55 // don't use specialized code if +UseMallocOnly -- may confuse Purify et al. 56 debug_only(if (UseMallocOnly) return get_thread_slow();); 57 58 uintptr_t raw = pd_raw_thread_id(); 59 int ix = pd_cache_index(raw); 60 Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix]; 61 if (candidate->self_raw_id() == raw) { 62 // hit 63 return candidate; 64 } else { 65 return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix); 66 } 67 } 68 69 #endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP