1 /* 2 * Copyright (c) 1997, 2018, 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_OS_SOLARIS_INLINE_HPP 26 #define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP 27 28 #include "runtime/os.hpp" 29 30 // System includes 31 #include <sys/param.h> 32 #include <dlfcn.h> 33 #include <sys/socket.h> 34 #include <poll.h> 35 #include <sys/filio.h> 36 #include <unistd.h> 37 #include <netdb.h> 38 #include <setjmp.h> 39 40 // File names are case-insensitive on windows only 41 inline int os::file_name_strncmp(const char* s1, const char* s2, size_t num) { 42 return strncmp(s1, s2, num); 43 } 44 45 inline bool os::uses_stack_guard_pages() { 46 return true; 47 } 48 49 inline bool os::must_commit_stack_guard_pages() { 50 assert(uses_stack_guard_pages(), "sanity check"); 51 int r = thr_main() ; 52 guarantee (r == 0 || r == 1, "CR6501650 or CR6493689") ; 53 return r; 54 } 55 56 57 // On Solaris, reservations are made on a page by page basis, nothing to do. 58 inline void os::pd_split_reserved_memory(char *base, size_t size, 59 size_t split, bool realloc) { 60 } 61 62 63 // Bang the shadow pages if they need to be touched to be mapped. 64 inline void os::map_stack_shadow_pages(address sp) { 65 } 66 67 inline void os::dll_unload(void *lib) { ::dlclose(lib); } 68 69 inline const int os::default_file_open_flags() { return 0;} 70 71 ////////////////////////////////////////////////////////////////////////////// 72 //////////////////////////////////////////////////////////////////////////////// 73 74 // macros for restartable system calls 75 76 #define RESTARTABLE(_cmd, _result) do { \ 77 do { \ 78 _result = _cmd; \ 79 } while((_result == OS_ERR) && (errno == EINTR)); \ 80 } while(false) 81 82 #define RESTARTABLE_RETURN_INT(_cmd) do { \ 83 int _result; \ 84 RESTARTABLE(_cmd, _result); \ 85 return _result; \ 86 } while(false) 87 88 inline bool os::numa_has_static_binding() { return false; } 89 inline bool os::numa_has_group_homing() { return true; } 90 91 inline int os::socket(int domain, int type, int protocol) { 92 return ::socket(domain, type, protocol); 93 } 94 95 inline struct hostent* os::get_host_by_name(char* name) { 96 return ::gethostbyname(name); 97 } 98 99 inline bool os::supports_monotonic_clock() { 100 // javaTimeNanos() is monotonic on Solaris, see getTimeNanos() comments 101 return true; 102 } 103 104 inline void os::exit(int num) { 105 ::exit(num); 106 } 107 108 #endif // OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP