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src/hotspot/os/linux/os_linux.inline.hpp
55 строк
2 KB
Aleksey Shipilev
8296796: Provide clean, platform-agnostic interface to C-heap trimming
25 июл 2023, 17:17
25 июл 2023, 17:17
c54ecfb
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/* * Copyright (c) 1999, 2021, 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_LINUX_OS_LINUX_INLINE_HPP #define OS_LINUX_OS_LINUX_INLINE_HPP // os_linux.hpp included by os.hpp #include "runtime/os.hpp" #include "os_posix.inline.hpp" inline bool os::uses_stack_guard_pages() { return true; } inline bool os::must_commit_stack_guard_pages() { assert(uses_stack_guard_pages(), "sanity check"); return true; } // Bang the shadow pages if they need to be touched to be mapped. inline void os::map_stack_shadow_pages(address sp) { } // Trim-native support inline bool os::can_trim_native_heap() { #ifdef __GLIBC__ return true; #else return false; // musl #endif } #endif // OS_LINUX_OS_LINUX_INLINE_HPP