1 /* 2 * kmp_global.cpp -- KPTS global variables for runtime support library 3 */ 4 5 //===----------------------------------------------------------------------===// 6 // 7 // The LLVM Compiler Infrastructure 8 // 9 // This file is dual licensed under the MIT and the University of Illinois Open 10 // Source Licenses. See LICENSE.txt for details. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "kmp.h" 15 #include "kmp_affinity.h" 16 17 kmp_key_t __kmp_gtid_threadprivate_key; 18 19 #if KMP_ARCH_X86 || KMP_ARCH_X86_64 20 kmp_cpuinfo_t __kmp_cpuinfo = {0}; // Not initialized 21 #endif 22 23 #if KMP_STATS_ENABLED 24 #include "kmp_stats.h" 25 // lock for modifying the global __kmp_stats_list 26 kmp_tas_lock_t __kmp_stats_lock; 27 28 // global list of per thread stats, the head is a sentinel node which 29 // accumulates all stats produced before __kmp_create_worker is called. 30 kmp_stats_list *__kmp_stats_list; 31 32 // thread local pointer to stats node within list 33 KMP_THREAD_LOCAL kmp_stats_list *__kmp_stats_thread_ptr = NULL; 34 35 // gives reference tick for all events (considered the 0 tick) 36 tsc_tick_count __kmp_stats_start_time; 37 #endif 38 39 /* ----------------------------------------------------- */ 40 /* INITIALIZATION VARIABLES */ 41 /* they are syncronized to write during init, but read anytime */ 42 volatile int __kmp_init_serial = FALSE; 43 volatile int __kmp_init_gtid = FALSE; 44 volatile int __kmp_init_common = FALSE; 45 volatile int __kmp_init_middle = FALSE; 46 volatile int __kmp_init_parallel = FALSE; 47 #if KMP_USE_MONITOR 48 volatile int __kmp_init_monitor = 49 0; /* 1 - launched, 2 - actually started (Windows* OS only) */ 50 #endif 51 volatile int __kmp_init_user_locks = FALSE; 52 53 /* list of address of allocated caches for commons */ 54 kmp_cached_addr_t *__kmp_threadpriv_cache_list = NULL; 55 56 int __kmp_init_counter = 0; 57 int __kmp_root_counter = 0; 58 int __kmp_version = 0; 59 60 volatile kmp_uint32 __kmp_team_counter = 0; 61 volatile kmp_uint32 __kmp_task_counter = 0; 62 63 unsigned int __kmp_init_wait = 64 KMP_DEFAULT_INIT_WAIT; /* initial number of spin-tests */ 65 unsigned int __kmp_next_wait = 66 KMP_DEFAULT_NEXT_WAIT; /* susequent number of spin-tests */ 67 68 size_t __kmp_stksize = KMP_DEFAULT_STKSIZE; 69 #if KMP_USE_MONITOR 70 size_t __kmp_monitor_stksize = 0; // auto adjust 71 #endif 72 size_t __kmp_stkoffset = KMP_DEFAULT_STKOFFSET; 73 int __kmp_stkpadding = KMP_MIN_STKPADDING; 74 75 size_t __kmp_malloc_pool_incr = KMP_DEFAULT_MALLOC_POOL_INCR; 76 77 // Barrier method defaults, settings, and strings. 78 // branch factor = 2^branch_bits (only relevant for tree & hyper barrier types) 79 kmp_uint32 __kmp_barrier_gather_bb_dflt = 2; 80 /* branch_factor = 4 */ /* hyper2: C78980 */ 81 kmp_uint32 __kmp_barrier_release_bb_dflt = 2; 82 /* branch_factor = 4 */ /* hyper2: C78980 */ 83 84 kmp_bar_pat_e __kmp_barrier_gather_pat_dflt = bp_hyper_bar; 85 /* hyper2: C78980 */ 86 kmp_bar_pat_e __kmp_barrier_release_pat_dflt = bp_hyper_bar; 87 /* hyper2: C78980 */ 88 89 kmp_uint32 __kmp_barrier_gather_branch_bits[bs_last_barrier] = {0}; 90 kmp_uint32 __kmp_barrier_release_branch_bits[bs_last_barrier] = {0}; 91 kmp_bar_pat_e __kmp_barrier_gather_pattern[bs_last_barrier] = {bp_linear_bar}; 92 kmp_bar_pat_e __kmp_barrier_release_pattern[bs_last_barrier] = {bp_linear_bar}; 93 char const *__kmp_barrier_branch_bit_env_name[bs_last_barrier] = { 94 "KMP_PLAIN_BARRIER", "KMP_FORKJOIN_BARRIER" 95 #if KMP_FAST_REDUCTION_BARRIER 96 , 97 "KMP_REDUCTION_BARRIER" 98 #endif // KMP_FAST_REDUCTION_BARRIER 99 }; 100 char const *__kmp_barrier_pattern_env_name[bs_last_barrier] = { 101 "KMP_PLAIN_BARRIER_PATTERN", "KMP_FORKJOIN_BARRIER_PATTERN" 102 #if KMP_FAST_REDUCTION_BARRIER 103 , 104 "KMP_REDUCTION_BARRIER_PATTERN" 105 #endif // KMP_FAST_REDUCTION_BARRIER 106 }; 107 char const *__kmp_barrier_type_name[bs_last_barrier] = {"plain", "forkjoin" 108 #if KMP_FAST_REDUCTION_BARRIER 109 , 110 "reduction" 111 #endif // KMP_FAST_REDUCTION_BARRIER 112 }; 113 char const *__kmp_barrier_pattern_name[bp_last_bar] = {"linear", "tree", 114 "hyper", "hierarchical"}; 115 116 int __kmp_allThreadsSpecified = 0; 117 size_t __kmp_align_alloc = CACHE_LINE; 118 119 int __kmp_generate_warnings = kmp_warnings_low; 120 int __kmp_reserve_warn = 0; 121 int __kmp_xproc = 0; 122 int __kmp_avail_proc = 0; 123 size_t __kmp_sys_min_stksize = KMP_MIN_STKSIZE; 124 int __kmp_sys_max_nth = KMP_MAX_NTH; 125 int __kmp_max_nth = 0; 126 int __kmp_cg_max_nth = 0; 127 int __kmp_teams_max_nth = 0; 128 int __kmp_threads_capacity = 0; 129 int __kmp_dflt_team_nth = 0; 130 int __kmp_dflt_team_nth_ub = 0; 131 int __kmp_tp_capacity = 0; 132 int __kmp_tp_cached = 0; 133 int __kmp_dflt_nested = FALSE; 134 int __kmp_dispatch_num_buffers = KMP_DFLT_DISP_NUM_BUFF; 135 int __kmp_dflt_max_active_levels = 136 KMP_MAX_ACTIVE_LEVELS_LIMIT; /* max_active_levels limit */ 137 #if KMP_NESTED_HOT_TEAMS 138 int __kmp_hot_teams_mode = 0; /* 0 - free extra threads when reduced */ 139 /* 1 - keep extra threads when reduced */ 140 int __kmp_hot_teams_max_level = 1; /* nesting level of hot teams */ 141 #endif 142 enum library_type __kmp_library = library_none; 143 enum sched_type __kmp_sched = 144 kmp_sch_default; /* scheduling method for runtime scheduling */ 145 enum sched_type __kmp_static = 146 kmp_sch_static_greedy; /* default static scheduling method */ 147 enum sched_type __kmp_guided = 148 kmp_sch_guided_iterative_chunked; /* default guided scheduling method */ 149 enum sched_type __kmp_auto = 150 kmp_sch_guided_analytical_chunked; /* default auto scheduling method */ 151 int __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME; 152 #if KMP_USE_MONITOR 153 int __kmp_monitor_wakeups = KMP_MIN_MONITOR_WAKEUPS; 154 int __kmp_bt_intervals = KMP_INTERVALS_FROM_BLOCKTIME(KMP_DEFAULT_BLOCKTIME, 155 KMP_MIN_MONITOR_WAKEUPS); 156 #endif 157 #ifdef KMP_ADJUST_BLOCKTIME 158 int __kmp_zero_bt = FALSE; 159 #endif /* KMP_ADJUST_BLOCKTIME */ 160 #ifdef KMP_DFLT_NTH_CORES 161 int __kmp_ncores = 0; 162 #endif 163 int __kmp_chunk = 0; 164 int __kmp_abort_delay = 0; 165 #if KMP_OS_LINUX && defined(KMP_TDATA_GTID) 166 int __kmp_gtid_mode = 3; /* use __declspec(thread) TLS to store gtid */ 167 int __kmp_adjust_gtid_mode = FALSE; 168 #elif KMP_OS_WINDOWS 169 int __kmp_gtid_mode = 2; /* use TLS functions to store gtid */ 170 int __kmp_adjust_gtid_mode = FALSE; 171 #else 172 int __kmp_gtid_mode = 0; /* select method to get gtid based on #threads */ 173 int __kmp_adjust_gtid_mode = TRUE; 174 #endif /* KMP_OS_LINUX && defined(KMP_TDATA_GTID) */ 175 #ifdef KMP_TDATA_GTID 176 KMP_THREAD_LOCAL int __kmp_gtid = KMP_GTID_DNE; 177 #endif /* KMP_TDATA_GTID */ 178 int __kmp_tls_gtid_min = INT_MAX; 179 int __kmp_foreign_tp = TRUE; 180 #if KMP_ARCH_X86 || KMP_ARCH_X86_64 181 int __kmp_inherit_fp_control = TRUE; 182 kmp_int16 __kmp_init_x87_fpu_control_word = 0; 183 kmp_uint32 __kmp_init_mxcsr = 0; 184 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ 185 186 #ifdef USE_LOAD_BALANCE 187 double __kmp_load_balance_interval = 1.0; 188 #endif /* USE_LOAD_BALANCE */ 189 190 kmp_nested_nthreads_t __kmp_nested_nth = {NULL, 0, 0}; 191 192 #if KMP_USE_ADAPTIVE_LOCKS 193 194 kmp_adaptive_backoff_params_t __kmp_adaptive_backoff_params = { 195 1, 1024}; // TODO: tune it! 196 197 #if KMP_DEBUG_ADAPTIVE_LOCKS 198 char *__kmp_speculative_statsfile = "-"; 199 #endif 200 201 #endif // KMP_USE_ADAPTIVE_LOCKS 202 203 #if OMP_40_ENABLED 204 int __kmp_display_env = FALSE; 205 int __kmp_display_env_verbose = FALSE; 206 int __kmp_omp_cancellation = FALSE; 207 #endif 208 209 /* map OMP 3.0 schedule types with our internal schedule types */ 210 enum sched_type __kmp_sch_map[kmp_sched_upper - kmp_sched_lower_ext + 211 kmp_sched_upper_std - kmp_sched_lower - 2] = { 212 kmp_sch_static_chunked, // ==> kmp_sched_static = 1 213 kmp_sch_dynamic_chunked, // ==> kmp_sched_dynamic = 2 214 kmp_sch_guided_chunked, // ==> kmp_sched_guided = 3 215 kmp_sch_auto, // ==> kmp_sched_auto = 4 216 kmp_sch_trapezoidal // ==> kmp_sched_trapezoidal = 101 217 // will likely not be used, introduced here just to debug the code 218 // of public intel extension schedules 219 }; 220 221 #if KMP_OS_LINUX 222 enum clock_function_type __kmp_clock_function; 223 int __kmp_clock_function_param; 224 #endif /* KMP_OS_LINUX */ 225 226 #if KMP_MIC_SUPPORTED 227 enum mic_type __kmp_mic_type = non_mic; 228 #endif 229 230 #if KMP_AFFINITY_SUPPORTED 231 232 KMPAffinity *__kmp_affinity_dispatch = NULL; 233 234 #if KMP_USE_HWLOC 235 int __kmp_hwloc_error = FALSE; 236 hwloc_topology_t __kmp_hwloc_topology = NULL; 237 int __kmp_numa_detected = FALSE; 238 int __kmp_tile_depth = 0; 239 #endif 240 241 #if KMP_OS_WINDOWS 242 #if KMP_GROUP_AFFINITY 243 int __kmp_num_proc_groups = 1; 244 #endif /* KMP_GROUP_AFFINITY */ 245 kmp_GetActiveProcessorCount_t __kmp_GetActiveProcessorCount = NULL; 246 kmp_GetActiveProcessorGroupCount_t __kmp_GetActiveProcessorGroupCount = NULL; 247 kmp_GetThreadGroupAffinity_t __kmp_GetThreadGroupAffinity = NULL; 248 kmp_SetThreadGroupAffinity_t __kmp_SetThreadGroupAffinity = NULL; 249 #endif /* KMP_OS_WINDOWS */ 250 251 size_t __kmp_affin_mask_size = 0; 252 enum affinity_type __kmp_affinity_type = affinity_default; 253 enum affinity_gran __kmp_affinity_gran = affinity_gran_default; 254 int __kmp_affinity_gran_levels = -1; 255 int __kmp_affinity_dups = TRUE; 256 enum affinity_top_method __kmp_affinity_top_method = 257 affinity_top_method_default; 258 int __kmp_affinity_compact = 0; 259 int __kmp_affinity_offset = 0; 260 int __kmp_affinity_verbose = FALSE; 261 int __kmp_affinity_warnings = TRUE; 262 int __kmp_affinity_respect_mask = affinity_respect_mask_default; 263 char *__kmp_affinity_proclist = NULL; 264 kmp_affin_mask_t *__kmp_affinity_masks = NULL; 265 unsigned __kmp_affinity_num_masks = 0; 266 267 char *__kmp_cpuinfo_file = NULL; 268 269 #endif /* KMP_AFFINITY_SUPPORTED */ 270 271 #if OMP_40_ENABLED 272 kmp_nested_proc_bind_t __kmp_nested_proc_bind = {NULL, 0, 0}; 273 int __kmp_affinity_num_places = 0; 274 #endif 275 276 kmp_hws_item_t __kmp_hws_socket = {0, 0}; 277 kmp_hws_item_t __kmp_hws_node = {0, 0}; 278 kmp_hws_item_t __kmp_hws_tile = {0, 0}; 279 kmp_hws_item_t __kmp_hws_core = {0, 0}; 280 kmp_hws_item_t __kmp_hws_proc = {0, 0}; 281 int __kmp_hws_requested = 0; 282 int __kmp_hws_abs_flag = 0; // absolute or per-item number requested 283 284 #if OMP_40_ENABLED 285 kmp_int32 __kmp_default_device = 0; 286 #endif 287 288 kmp_tasking_mode_t __kmp_tasking_mode = tskm_task_teams; 289 #if OMP_45_ENABLED 290 kmp_int32 __kmp_max_task_priority = 0; 291 kmp_uint64 __kmp_taskloop_min_tasks = 0; 292 #endif 293 294 /* This check ensures that the compiler is passing the correct data type for the 295 flags formal parameter of the function kmpc_omp_task_alloc(). If the type is 296 not a 4-byte type, then give an error message about a non-positive length 297 array pointing here. If that happens, the kmp_tasking_flags_t structure must 298 be redefined to have exactly 32 bits. */ 299 KMP_BUILD_ASSERT(sizeof(kmp_tasking_flags_t) == 4); 300 301 int __kmp_task_stealing_constraint = 1; /* Constrain task stealing by default */ 302 303 #ifdef DEBUG_SUSPEND 304 int __kmp_suspend_count = 0; 305 #endif 306 307 int __kmp_settings = FALSE; 308 int __kmp_duplicate_library_ok = 0; 309 #if USE_ITT_BUILD 310 int __kmp_forkjoin_frames = 1; 311 int __kmp_forkjoin_frames_mode = 3; 312 #endif 313 PACKED_REDUCTION_METHOD_T __kmp_force_reduction_method = 314 reduction_method_not_defined; 315 int __kmp_determ_red = FALSE; 316 317 #ifdef KMP_DEBUG 318 int kmp_a_debug = 0; 319 int kmp_b_debug = 0; 320 int kmp_c_debug = 0; 321 int kmp_d_debug = 0; 322 int kmp_e_debug = 0; 323 int kmp_f_debug = 0; 324 int kmp_diag = 0; 325 #endif 326 327 /* For debug information logging using rotating buffer */ 328 int __kmp_debug_buf = 329 FALSE; /* TRUE means use buffer, FALSE means print to stderr */ 330 int __kmp_debug_buf_lines = 331 KMP_DEBUG_BUF_LINES_INIT; /* Lines of debug stored in buffer */ 332 int __kmp_debug_buf_chars = 333 KMP_DEBUG_BUF_CHARS_INIT; /* Characters allowed per line in buffer */ 334 int __kmp_debug_buf_atomic = 335 FALSE; /* TRUE means use atomic update of buffer entry pointer */ 336 337 char *__kmp_debug_buffer = NULL; /* Debug buffer itself */ 338 int __kmp_debug_count = 339 0; /* Counter for number of lines printed in buffer so far */ 340 int __kmp_debug_buf_warn_chars = 341 0; /* Keep track of char increase recommended in warnings */ 342 /* end rotating debug buffer */ 343 344 #ifdef KMP_DEBUG 345 int __kmp_par_range; /* +1 => only go par for constructs in range */ 346 /* -1 => only go par for constructs outside range */ 347 char __kmp_par_range_routine[KMP_PAR_RANGE_ROUTINE_LEN] = {'\0'}; 348 char __kmp_par_range_filename[KMP_PAR_RANGE_FILENAME_LEN] = {'\0'}; 349 int __kmp_par_range_lb = 0; 350 int __kmp_par_range_ub = INT_MAX; 351 #endif /* KMP_DEBUG */ 352 353 /* For printing out dynamic storage map for threads and teams */ 354 int __kmp_storage_map = 355 FALSE; /* True means print storage map for threads and teams */ 356 int __kmp_storage_map_verbose = 357 FALSE; /* True means storage map includes placement info */ 358 int __kmp_storage_map_verbose_specified = FALSE; 359 /* Initialize the library data structures when we fork a child process, defaults 360 * to TRUE */ 361 int __kmp_need_register_atfork = 362 TRUE; /* At initialization, call pthread_atfork to install fork handler */ 363 int __kmp_need_register_atfork_specified = TRUE; 364 365 int __kmp_env_stksize = FALSE; /* KMP_STACKSIZE specified? */ 366 int __kmp_env_blocktime = FALSE; /* KMP_BLOCKTIME specified? */ 367 int __kmp_env_checks = FALSE; /* KMP_CHECKS specified? */ 368 int __kmp_env_consistency_check = FALSE; /* KMP_CONSISTENCY_CHECK specified? */ 369 370 kmp_uint32 __kmp_yield_init = KMP_INIT_WAIT; 371 kmp_uint32 __kmp_yield_next = KMP_NEXT_WAIT; 372 373 #if KMP_USE_MONITOR 374 kmp_uint32 __kmp_yielding_on = 1; 375 #endif 376 #if KMP_OS_CNK 377 kmp_uint32 __kmp_yield_cycle = 0; 378 #else 379 kmp_uint32 __kmp_yield_cycle = 1; /* Yield-cycle is on by default */ 380 #endif 381 kmp_int32 __kmp_yield_on_count = 382 10; /* By default, yielding is on for 10 monitor periods. */ 383 kmp_int32 __kmp_yield_off_count = 384 1; /* By default, yielding is off for 1 monitor periods. */ 385 386 /* ------------------------------------------------------ */ 387 /* STATE mostly syncronized with global lock */ 388 /* data written to rarely by masters, read often by workers */ 389 /* TODO: None of this global padding stuff works consistently because the order 390 of declaration is not necessarily correlated to storage order. To fix this, 391 all the important globals must be put in a big structure instead. */ 392 KMP_ALIGN_CACHE 393 kmp_info_t **__kmp_threads = NULL; 394 kmp_root_t **__kmp_root = NULL; 395 396 /* data read/written to often by masters */ 397 KMP_ALIGN_CACHE 398 volatile int __kmp_nth = 0; 399 volatile int __kmp_all_nth = 0; 400 int __kmp_thread_pool_nth = 0; 401 volatile kmp_info_t *__kmp_thread_pool = NULL; 402 volatile kmp_team_t *__kmp_team_pool = NULL; 403 404 KMP_ALIGN_CACHE 405 volatile int __kmp_thread_pool_active_nth = 0; 406 407 /* ------------------------------------------------- 408 * GLOBAL/ROOT STATE */ 409 KMP_ALIGN_CACHE 410 kmp_global_t __kmp_global = {{0}}; 411 412 /* ----------------------------------------------- */ 413 /* GLOBAL SYNCHRONIZATION LOCKS */ 414 /* TODO verify the need for these locks and if they need to be global */ 415 416 #if KMP_USE_INTERNODE_ALIGNMENT 417 /* Multinode systems have larger cache line granularity which can cause 418 * false sharing if the alignment is not large enough for these locks */ 419 KMP_ALIGN_CACHE_INTERNODE 420 421 kmp_bootstrap_lock_t __kmp_initz_lock = KMP_BOOTSTRAP_LOCK_INITIALIZER( 422 __kmp_initz_lock); /* Control initializations */ 423 KMP_ALIGN_CACHE_INTERNODE 424 kmp_bootstrap_lock_t __kmp_forkjoin_lock; /* control fork/join access */ 425 KMP_ALIGN_CACHE_INTERNODE 426 kmp_bootstrap_lock_t __kmp_exit_lock; /* exit() is not always thread-safe */ 427 #if KMP_USE_MONITOR 428 KMP_ALIGN_CACHE_INTERNODE 429 kmp_bootstrap_lock_t __kmp_monitor_lock; /* control monitor thread creation */ 430 #endif 431 /* used for the hack to allow threadprivate cache and __kmp_threads expansion 432 to co-exist */ 433 KMP_ALIGN_CACHE_INTERNODE 434 kmp_bootstrap_lock_t __kmp_tp_cached_lock; 435 436 KMP_ALIGN_CACHE_INTERNODE 437 kmp_lock_t __kmp_global_lock; /* Control OS/global access */ 438 KMP_ALIGN_CACHE_INTERNODE 439 kmp_queuing_lock_t __kmp_dispatch_lock; /* Control dispatch access */ 440 KMP_ALIGN_CACHE_INTERNODE 441 kmp_lock_t __kmp_debug_lock; /* Control I/O access for KMP_DEBUG */ 442 #else 443 KMP_ALIGN_CACHE 444 445 kmp_bootstrap_lock_t __kmp_initz_lock = KMP_BOOTSTRAP_LOCK_INITIALIZER( 446 __kmp_initz_lock); /* Control initializations */ 447 kmp_bootstrap_lock_t __kmp_forkjoin_lock; /* control fork/join access */ 448 kmp_bootstrap_lock_t __kmp_exit_lock; /* exit() is not always thread-safe */ 449 #if KMP_USE_MONITOR 450 kmp_bootstrap_lock_t __kmp_monitor_lock; /* control monitor thread creation */ 451 #endif 452 /* used for the hack to allow threadprivate cache and __kmp_threads expansion 453 to co-exist */ 454 kmp_bootstrap_lock_t __kmp_tp_cached_lock; 455 456 KMP_ALIGN(128) 457 kmp_lock_t __kmp_global_lock; /* Control OS/global access */ 458 KMP_ALIGN(128) 459 kmp_queuing_lock_t __kmp_dispatch_lock; /* Control dispatch access */ 460 KMP_ALIGN(128) 461 kmp_lock_t __kmp_debug_lock; /* Control I/O access for KMP_DEBUG */ 462 #endif 463 464 /* ----------------------------------------------- */ 465 466 #if KMP_HANDLE_SIGNALS 467 /* Signal handling is disabled by default, because it confuses users: In case of 468 sigsegv (or other trouble) in user code signal handler catches the signal, 469 which then "appears" in the monitor thread (when the monitor executes raise() 470 function). Users see signal in the monitor thread and blame OpenMP RTL. 471 472 Grant said signal handling required on some older OSes (Irix?) supported by 473 KAI, because bad applications hung but not aborted. Currently it is not a 474 problem for Linux* OS, OS X* and Windows* OS. 475 476 Grant: Found new hangs for EL4, EL5, and a Fedora Core machine. So I'm 477 putting the default back for now to see if that fixes hangs on those 478 machines. 479 480 2010-04013 Lev: It was a bug in Fortran RTL. Fortran RTL prints a kind of 481 stack backtrace when program is aborting, but the code is not signal-safe. 482 When multiple signals raised at the same time (which occurs in dynamic 483 negative tests because all the worker threads detects the same error), 484 Fortran RTL may hang. The bug finally fixed in Fortran RTL library provided 485 by Steve R., and will be available soon. */ 486 int __kmp_handle_signals = FALSE; 487 #endif 488 489 #ifdef DEBUG_SUSPEND 490 int get_suspend_count_(void) { 491 int count = __kmp_suspend_count; 492 __kmp_suspend_count = 0; 493 return count; 494 } 495 void set_suspend_count_(int *value) { __kmp_suspend_count = *value; } 496 #endif 497 498 // Symbols for MS mutual detection. 499 int _You_must_link_with_exactly_one_OpenMP_library = 1; 500 int _You_must_link_with_Intel_OpenMP_library = 1; 501 #if KMP_OS_WINDOWS && (KMP_VERSION_MAJOR > 4) 502 int _You_must_link_with_Microsoft_OpenMP_library = 1; 503 #endif 504 505 #if OMP_50_ENABLED 506 kmp_target_offload_kind_t __kmp_target_offload = tgt_default; 507 #endif 508 // end of file // 509