text: /*
   * %CopyrightBegin%
   *
   * Copyright Ericsson AB 2010-2021. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * %CopyrightEnd%
   */
  
  /*
   * Description: Internal ethread exports
   * Author: Rickard Green
   */
  
  #ifndef ETHR_INTERNAL_H__
  #define ETHR_INTERNAL_H__
  
  #include "erl_misc_utils.h"
  
  extern ethr_memory_allocators ethr_mem__;
  extern erts_cpu_info_t *ethr_cpu_info__;
  extern size_t ethr_pagesize__;
  extern size_t ethr_min_stack_size__; /* kilo words */
  extern size_t ethr_max_stack_size__; /* kilo words */
  extern int ethr_not_completely_inited__;
  extern int ethr_not_inited__;
  
  extern void *(*ethr_thr_prepare_func__)(void);
  extern void (*ethr_thr_parent_func__)(void *);
  extern void (*ethr_thr_child_func__)(void *);
  
  #define ETHR_PAGE_ALIGN(SZ) \
    (((((size_t) (SZ)) - 1)/ethr_pagesize__ + 1)*ethr_pagesize__)
  #define ETHR_B2KW(B) ((((size_t) (B)) - 1)/(sizeof(void *)*1024) + 1)
  #define ETHR_KW2B(KW) (((size_t) (KW))*sizeof(void *)*1024)
  
  #undef ETHR_STACK_GUARD_SIZE 
  #ifdef ETHR_HAVE_PTHREAD_ATTR_SETGUARDSIZE
  #  define ETHR_STACK_GUARD_SIZE (ethr_pagesize__)
  #endif
  
  /* implemented in lib_src/<thr-lib>/ethread.c */
  int ethr_set_tse__(ethr_ts_event *tsep);
  ethr_ts_event *ethr_get_tse__(void);
  ETHR_PROTO_NORETURN__ ethr_abort__(void);
  
  #ifdef ETHR_INCLUDE_MONOTONIC_CLOCK__
  #  undef ETHR_HAVE_ETHR_GET_MONOTONIC_TIME
  #  if defined(ETHR_HAVE_CLOCK_GETTIME_MONOTONIC)	\
        || defined(ETHR_HAVE_MACH_CLOCK_GET_TIME)		\
        || defined(ETHR_HAVE_GETHRTIME)
  #    include <time.h>
  #    ifdef ETHR_HAVE_SYS_TIME_H
  #      include <sys/time.h>
  #    endif
  #  endif
  #  ifdef ETHR_HAVE_MACH_CLOCK_GET_TIME
  #    include <mach/clock.h>
  #    include <mach/mach.h>
  #  endif
  #  define ETHR_HAVE_ETHR_GET_MONOTONIC_TIME
  ethr_sint64_t ethr_get_monotonic_time(void);
  int ethr_get_monotonic_time_is_broken(void);
  #endif /* ETHR_INCLUDE_MONOTONIC_CLOCK__ */
  
  void ethr_init_event__(void);
  
  /* implemented in lib_src/common/ethread_aux.c */
  int ethr_init_common__(ethr_init_data *id);
  int ethr_late_init_common__(ethr_late_init_data *lid);
  void ethr_run_exit_handlers__(void);
  void ethr_ts_event_destructor__(void *vtsep);
  void ethr_set_stacklimit__(char *prev_c, size_t stacksize) ETHR_NOINLINE;
  
  #if defined(ETHR_X86_RUNTIME_CONF__)
  void ethr_x86_cpuid__(int *eax, int *ebx, int *ecx, int *edx);
  #endif
  
  #endif
  