Mercurial > hg > truffle
annotate src/os/bsd/vm/os_bsd.hpp @ 8675:63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
Summary: Fix the build without precompiled headers by either including the missing ".inline.hpp" files into the appropriate files or by turning inline-functions declared in header files into ordinary functions in ".cpp" files.
Reviewed-by: coleenp, stefank, dholmes
| author | simonis |
|---|---|
| date | Wed, 27 Feb 2013 09:40:30 +0100 |
| parents | 0af5da0c9d9d |
| children | f2110083203d |
| rev | line source |
|---|---|
| 3960 | 1 /* |
|
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8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
| 3960 | 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_BSD_VM_OS_BSD_HPP | |
| 26 #define OS_BSD_VM_OS_BSD_HPP | |
| 27 | |
| 28 // Bsd_OS defines the interface to Bsd operating systems | |
| 29 | |
| 30 /* pthread_getattr_np comes with BsdThreads-0.9-7 on RedHat 7.1 */ | |
| 31 typedef int (*pthread_getattr_func_type) (pthread_t, pthread_attr_t *); | |
| 32 | |
| 33 #ifdef __APPLE__ | |
| 34 // Mac OS X doesn't support clock_gettime. Stub out the type, it is | |
| 35 // unused | |
| 36 typedef int clockid_t; | |
| 37 #endif | |
| 38 | |
| 39 class Bsd { | |
| 40 friend class os; | |
| 41 | |
| 42 // For signal-chaining | |
| 43 #define MAXSIGNUM 32 | |
| 44 static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions | |
| 45 static unsigned int sigs; // mask of signals that have | |
| 46 // preinstalled signal handlers | |
| 47 static bool libjsig_is_loaded; // libjsig that interposes sigaction(), | |
| 48 // __sigaction(), signal() is loaded | |
| 49 static struct sigaction *(*get_signal_action)(int); | |
| 50 static struct sigaction *get_preinstalled_handler(int); | |
| 51 static void save_preinstalled_handler(int, struct sigaction&); | |
| 52 | |
| 53 static void check_signal_handler(int sig); | |
| 54 | |
| 55 // For signal flags diagnostics | |
| 56 static int sigflags[MAXSIGNUM]; | |
| 57 | |
| 58 static int (*_clock_gettime)(clockid_t, struct timespec *); | |
| 59 | |
| 60 static GrowableArray<int>* _cpu_to_node; | |
| 61 | |
| 62 protected: | |
| 63 | |
| 64 static julong _physical_memory; | |
| 65 static pthread_t _main_thread; | |
| 66 static int _page_size; | |
| 67 | |
| 68 static julong available_memory(); | |
| 69 static julong physical_memory() { return _physical_memory; } | |
| 70 static void initialize_system_info(); | |
| 71 | |
| 72 static bool supports_variable_stack_size(); | |
| 73 | |
| 74 static void rebuild_cpu_to_node_map(); | |
| 75 static GrowableArray<int>* cpu_to_node() { return _cpu_to_node; } | |
| 76 | |
| 77 static bool hugetlbfs_sanity_check(bool warn, size_t page_size); | |
| 78 | |
| 79 public: | |
| 80 | |
| 81 static void init_thread_fpu_state(); | |
| 82 static pthread_t main_thread(void) { return _main_thread; } | |
| 83 | |
| 84 static void hotspot_sigmask(Thread* thread); | |
| 85 | |
| 86 static bool is_initial_thread(void); | |
| 87 | |
| 88 static int page_size(void) { return _page_size; } | |
| 89 static void set_page_size(int val) { _page_size = val; } | |
| 90 | |
| 91 static address ucontext_get_pc(ucontext_t* uc); | |
| 92 static intptr_t* ucontext_get_sp(ucontext_t* uc); | |
| 93 static intptr_t* ucontext_get_fp(ucontext_t* uc); | |
| 94 | |
| 95 // For Analyzer Forte AsyncGetCallTrace profiling support: | |
| 96 // | |
| 97 // This interface should be declared in os_bsd_i486.hpp, but | |
| 98 // that file provides extensions to the os class and not the | |
| 99 // Bsd class. | |
| 100 static ExtendedPC fetch_frame_from_ucontext(Thread* thread, ucontext_t* uc, | |
| 101 intptr_t** ret_sp, intptr_t** ret_fp); | |
| 102 | |
| 103 // This boolean allows users to forward their own non-matching signals | |
| 104 // to JVM_handle_bsd_signal, harmlessly. | |
| 105 static bool signal_handlers_are_installed; | |
| 106 | |
| 107 static int get_our_sigflags(int); | |
| 108 static void set_our_sigflags(int, int); | |
| 109 static void signal_sets_init(); | |
| 110 static void install_signal_handlers(); | |
| 111 static void set_signal_handler(int, bool); | |
| 112 static bool is_sig_ignored(int sig); | |
| 113 | |
| 114 static sigset_t* unblocked_signals(); | |
| 115 static sigset_t* vm_signals(); | |
| 116 static sigset_t* allowdebug_blocked_signals(); | |
| 117 | |
| 118 // For signal-chaining | |
| 119 static struct sigaction *get_chained_signal_action(int sig); | |
| 120 static bool chained_handler(int sig, siginfo_t* siginfo, void* context); | |
| 121 | |
| 122 // Minimum stack size a thread can be created with (allowing | |
| 123 // the VM to completely create the thread and enter user code) | |
| 124 static size_t min_stack_allowed; | |
| 125 | |
| 126 // Return default stack size or guard size for the specified thread type | |
| 127 static size_t default_stack_size(os::ThreadType thr_type); | |
| 128 static size_t default_guard_size(os::ThreadType thr_type); | |
| 129 | |
| 130 // Real-time clock functions | |
| 131 static void clock_init(void); | |
| 132 | |
|
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133 static inline bool supports_monotonic_clock() { |
| 3960 | 134 return _clock_gettime != NULL; |
| 135 } | |
| 136 | |
| 137 static int clock_gettime(clockid_t clock_id, struct timespec *tp) { | |
| 138 return _clock_gettime ? _clock_gettime(clock_id, tp) : -1; | |
| 139 } | |
| 140 | |
| 141 // Stack repair handling | |
| 142 | |
| 143 // none present | |
| 144 | |
| 145 // BsdThreads work-around for 6292965 | |
| 146 static int safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime); | |
| 147 | |
| 148 | |
| 149 // Bsd suspend/resume support - this helper is a shadow of its former | |
| 150 // self now that low-level suspension is barely used, and old workarounds | |
| 151 // for BsdThreads are no longer needed. | |
| 152 class SuspendResume { | |
| 153 private: | |
|
8675
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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154 volatile int _suspend_action; |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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155 volatile jint _state; |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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156 public: |
| 3960 | 157 // values for suspend_action: |
|
8675
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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158 enum { |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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159 SR_NONE = 0x00, |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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160 SR_SUSPEND = 0x01, // suspend request |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
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161 SR_CONTINUE = 0x02, // resume request |
|
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
|
162 SR_SUSPENDED = 0x20 // values for _state: + SR_NONE |
|
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
|
163 }; |
| 3960 | 164 |
| 165 SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; } | |
| 166 | |
| 167 int suspend_action() const { return _suspend_action; } | |
| 168 void set_suspend_action(int x) { _suspend_action = x; } | |
| 169 | |
| 170 // atomic updates for _state | |
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8675
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
|
171 inline void set_suspended(); |
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63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
6918
diff
changeset
|
172 inline void clear_suspended(); |
| 3960 | 173 bool is_suspended() { return _state & SR_SUSPENDED; } |
| 174 | |
| 175 #undef SR_SUSPENDED | |
| 176 }; | |
| 177 | |
| 178 private: | |
| 179 typedef int (*sched_getcpu_func_t)(void); | |
| 180 typedef int (*numa_node_to_cpus_func_t)(int node, unsigned long *buffer, int bufferlen); | |
| 181 typedef int (*numa_max_node_func_t)(void); | |
| 182 typedef int (*numa_available_func_t)(void); | |
| 183 typedef int (*numa_tonode_memory_func_t)(void *start, size_t size, int node); | |
| 184 typedef void (*numa_interleave_memory_func_t)(void *start, size_t size, unsigned long *nodemask); | |
| 185 | |
| 186 static sched_getcpu_func_t _sched_getcpu; | |
| 187 static numa_node_to_cpus_func_t _numa_node_to_cpus; | |
| 188 static numa_max_node_func_t _numa_max_node; | |
| 189 static numa_available_func_t _numa_available; | |
| 190 static numa_tonode_memory_func_t _numa_tonode_memory; | |
| 191 static numa_interleave_memory_func_t _numa_interleave_memory; | |
| 192 static unsigned long* _numa_all_nodes; | |
| 193 | |
| 194 static void set_sched_getcpu(sched_getcpu_func_t func) { _sched_getcpu = func; } | |
| 195 static void set_numa_node_to_cpus(numa_node_to_cpus_func_t func) { _numa_node_to_cpus = func; } | |
| 196 static void set_numa_max_node(numa_max_node_func_t func) { _numa_max_node = func; } | |
| 197 static void set_numa_available(numa_available_func_t func) { _numa_available = func; } | |
| 198 static void set_numa_tonode_memory(numa_tonode_memory_func_t func) { _numa_tonode_memory = func; } | |
| 199 static void set_numa_interleave_memory(numa_interleave_memory_func_t func) { _numa_interleave_memory = func; } | |
| 200 static void set_numa_all_nodes(unsigned long* ptr) { _numa_all_nodes = ptr; } | |
| 201 public: | |
| 202 static int sched_getcpu() { return _sched_getcpu != NULL ? _sched_getcpu() : -1; } | |
| 203 static int numa_node_to_cpus(int node, unsigned long *buffer, int bufferlen) { | |
| 204 return _numa_node_to_cpus != NULL ? _numa_node_to_cpus(node, buffer, bufferlen) : -1; | |
| 205 } | |
| 206 static int numa_max_node() { return _numa_max_node != NULL ? _numa_max_node() : -1; } | |
| 207 static int numa_available() { return _numa_available != NULL ? _numa_available() : -1; } | |
| 208 static int numa_tonode_memory(void *start, size_t size, int node) { | |
| 209 return _numa_tonode_memory != NULL ? _numa_tonode_memory(start, size, node) : -1; | |
| 210 } | |
| 211 static void numa_interleave_memory(void *start, size_t size) { | |
| 212 if (_numa_interleave_memory != NULL && _numa_all_nodes != NULL) { | |
| 213 _numa_interleave_memory(start, size, _numa_all_nodes); | |
| 214 } | |
| 215 } | |
| 216 static int get_node_by_cpu(int cpu_id); | |
| 217 }; | |
| 218 | |
| 219 | |
| 6197 | 220 class PlatformEvent : public CHeapObj<mtInternal> { |
| 3960 | 221 private: |
| 222 double CachePad [4] ; // increase odds that _mutex is sole occupant of cache line | |
| 223 volatile int _Event ; | |
| 224 volatile int _nParked ; | |
| 225 pthread_mutex_t _mutex [1] ; | |
| 226 pthread_cond_t _cond [1] ; | |
| 227 double PostPad [2] ; | |
| 228 Thread * _Assoc ; | |
| 229 | |
| 230 public: // TODO-FIXME: make dtor private | |
| 231 ~PlatformEvent() { guarantee (0, "invariant") ; } | |
| 232 | |
| 233 public: | |
| 234 PlatformEvent() { | |
| 235 int status; | |
| 236 status = pthread_cond_init (_cond, NULL); | |
| 237 assert_status(status == 0, status, "cond_init"); | |
| 238 status = pthread_mutex_init (_mutex, NULL); | |
| 239 assert_status(status == 0, status, "mutex_init"); | |
| 240 _Event = 0 ; | |
| 241 _nParked = 0 ; | |
| 242 _Assoc = NULL ; | |
| 243 } | |
| 244 | |
| 245 // Use caution with reset() and fired() -- they may require MEMBARs | |
| 246 void reset() { _Event = 0 ; } | |
| 247 int fired() { return _Event; } | |
| 248 void park () ; | |
| 249 void unpark () ; | |
| 250 int TryPark () ; | |
| 251 int park (jlong millis) ; | |
| 252 void SetAssociation (Thread * a) { _Assoc = a ; } | |
| 253 } ; | |
| 254 | |
| 6197 | 255 class PlatformParker : public CHeapObj<mtInternal> { |
| 3960 | 256 protected: |
| 257 pthread_mutex_t _mutex [1] ; | |
| 258 pthread_cond_t _cond [1] ; | |
| 259 | |
| 260 public: // TODO-FIXME: make dtor private | |
| 261 ~PlatformParker() { guarantee (0, "invariant") ; } | |
| 262 | |
| 263 public: | |
| 264 PlatformParker() { | |
| 265 int status; | |
| 266 status = pthread_cond_init (_cond, NULL); | |
| 267 assert_status(status == 0, status, "cond_init"); | |
| 268 status = pthread_mutex_init (_mutex, NULL); | |
| 269 assert_status(status == 0, status, "mutex_init"); | |
| 270 } | |
| 271 } ; | |
| 272 | |
| 273 #endif // OS_BSD_VM_OS_BSD_HPP |