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/*
 * %CopyrightBegin%
 *
 * Copyright Ericsson AB 2001-2017. 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: Error checking thread interface to the ethread library.
 *              All functions terminates the emulator on failure.
 * Author: Rickard Green
 */

#ifndef ERL_THREAD_H__
#define ERL_THREAD_H__

/*
 * --- Documentation of atomics and memory barriers --------------------------
 *
 * The following explicit memory barriers exist:
 *   
 * - ERTS_THR_MEMORY_BARRIER
 *      Full memory barrier. Orders both loads, and stores. No
 *      load or store is allowed to be reordered over the
 *      barrier.
 * - ERTS_THR_WRITE_MEMORY_BARRIER
 *      Write barrier. Orders *only* stores. These are not
 *      allowed to be reordered over the barrier.
 * - ERTS_THR_READ_MEMORY_BARRIER
 *      Read barrier. Orders *only* loads. These are not
 *      allowed to be reordered over the barrier.
 * - ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER
 *      Data dependency read barrier. Orders *only* loads
 *      according to data dependency across the barrier.
 *
 * --- Atomic operations ---
 *
 * Atomics operations exist for 32-bit, word size, and double word size
 * integers. Function prototypes are listed below.
 *
 * Each function implementing an atomic operation exist with the following
 * implied memory barrier semantics. Not all combinations are useful, but
 * all of them exist for simplicity. <B> is suffix in function name:
 *
 * - <B>  - Description
 *
 * - mb   - Full memory barrier. Orders both loads, and
 *          stores before, and after the atomic operation.
 *          No load or store is allowed to be reordered
 *          over the atomic operation.
 * - relb - Release barrier. Orders both loads, and
 *          stores appearing *before* the atomic
 *          operation. These are not allowed to be
 *          reordered over the atomic operation.
 * - acqb - Acquire barrier. Orders both loads, and stores
 *          appearing *after* the atomic operation. These
 *          are not allowed to be reordered over the
 *          atomic operation.
 * - wb   - Write barrier. Orders *only* stores. These are
 *          not allowed to be reordered over the barrier.
 *          Store in atomic operation is ordered *after*
 *          the barrier.
 * - rb   - Read barrier. Orders *only* loads. These are
 *          not allowed to be reordered over the barrier.
 *          Load in atomic operation is ordered *before*
 *          the barrier. 
 * - ddrb - Data dependency read barrier. Orders *only*
 *          loads according to data dependency across the
 *          barrier. Load in atomic operation is ordered
 *          before the barrier.
 *
 * --- 32-bit atomic operations ---
 *
 * The following 32-bit atomic operations exist. <B> should be
 * replaced with a supported memory barrier (see above). Note
 * that sizeof(erts_atomic32_t) might be larger than 4!
 *
 *
 * Initialize (not necessarily the same as the set operation):
 *   void erts_atomic32_init_<B>(erts_atomic32_t *atmc,
 *                               erts_aint32_t val);
 *
 * Set value:
 *   void erts_atomic32_set_<B>(erts_atomic32_t *atmc,
 *                              erts_aint32_t val);
 *
 * Read; returns current value:
 *   erts_aint32_t erts_atomic32_read_<B>(erts_atomic32_t *atmc);
 *
 * Increment; returns resulting value:
 *   erts_aint32_t erts_atomic32_inc_read_<B>(erts_atomic32_t *atmc);
 *
 * Decrement; returns resulting value:
 *   erts_aint32_t erts_atomic32_dec_read_<B>(erts_atomic32_t *atmc);
 *
 * Increment:
 *   void erts_atomic32_inc_<B>(erts_atomic32_t *atmc);
 *
 * Decrement:
 *   void erts_atomic32_dec_<B>(erts_atomic32_t *atmc);
 *
 * Add value; returns resulting value:
 *   erts_aint32_t erts_atomic32_add_read_<B>(erts_atomic32_t *atmc,
 *                                            erts_aint32_t val);
 *
 * Add value:
 *   void erts_atomic32_add_<B>(erts_atomic32_t *atmc,
 *                              erts_aint32_t val);
 *
 * Bitwise-or; returns previous value:
 *   erts_aint32_t erts_atomic32_read_bor_<B>(erts_atomic32_t *atmc,
 *                                            erts_aint32_t val);
 *
 * Bitwise-and; returns previous value:
 *   erts_aint32_t erts_atomic32_read_band_<B>(erts_atomic32_t *atmc,
 *                                             erts_aint32_t val);
 *
 * Exchange; returns previous value:
 *   erts_aint32_t erts_atomic32_xchg_<B>(erts_atomic32_t *atmc,
 *                                        erts_aint32_t val);
 *
 * Compare and exchange; returns previous or current value. If
 * returned value equals 'exp' the value was changed to 'new';
 * otherwise not:
 *   erts_aint32_t erts_atomic32_cmpxchg_<B>(erts_atomic32_t *a,
 *                                           erts_aint32_t new,
 *                                           erts_aint32_t exp);
 *
 * --- Word size atomic operations ---
 *
 * The following word size (same size as sizeof(void *)) atomic
 * operations exist. <B> should be replaced with a supported
 * memory barrier (see above). Note that sizeof(erts_atomic_t)
 * might be larger than sizeof(void *)!
 *
 * Initialize (not necessarily the same as the set operation):
 *   void erts_atomic_init_<B>(erts_atomic_t *atmc,
 *                             erts_aint_t val);
 *
 * Set value;
 *   void erts_atomic_set_<B>(erts_atomic_t *atmc,
 *                            erts_aint_t val);
 *
 * Read; returns current value:
 *   erts_aint_t erts_atomic_read_<B>(erts_atomic_t *atmc);
 *
 * Increment; returns resulting value:
 *   erts_aint_t erts_atomic_inc_read_<B>(erts_atomic_t *atmc);
 *
 * Decrement; returns resulting value:
 *   erts_aint_t erts_atomic_dec_read_<B>(erts_atomic_t *atmc);
 *
 * Increment:
 *   void erts_atomic_inc_<B>(erts_atomic_t *atmc);
 *
 * Decrement:
 *   void erts_atomic_dec_<B>(erts_atomic_t *atmc);
 *
 * Add value; returns resulting value:
 *   erts_aint_t erts_atomic_add_read_<B>(erts_atomic_t *atmc,
 *                                        erts_aint_t val);
 *
 * Add value:
 *   void erts_atomic_add_<B>(erts_atomic_t *atmc,
 *                            erts_aint_t val);
 *
 * Bitwise-or; returns previous value:
 *   erts_aint_t erts_atomic_read_bor_<B>(erts_atomic_t *atmc,
 *                                        erts_aint_t val);
 *
 * Bitwise-and; returns previous value:
 *   erts_aint_t erts_atomic_read_band_<B>(erts_atomic_t *atmc,
 *                                         erts_aint_t val);
 *
 * Exchange; returns previous value:
 *   erts_aint_t erts_atomic_xchg_<B>(erts_atomic_t *atmc,
 *                                    erts_aint_t val);
 *
 * Compare and exchange; returns previous or current value. If
 * returned value equals 'exp' the value was changed to 'new';
 * otherwise not:
 *   erts_aint_t erts_atomic_cmpxchg_<B>(erts_atomic_t *a,
 *                                       erts_aint_t new,
 *                                       erts_aint_t exp);
 *
 * --- Double word size atomic operations ---
 *
 * The following double word atomic operations exist. <B> should be
 * replaced with a supported memory barrier (see above).
 *
 * Note that sizeof(erts_dw_atomic_t) usually is larger than
 * 2*sizeof(void *)!
 * 
 * The erts_dw_aint_t data type should be accessed as if it was defined
 * like this:
 *
 *     typedef struct {
 *         erts_aint_t sint[2];
 *     } erts_dw_aint_t;
 *
 *     Most significant word is 'sint[ERTS_DW_AINT_HIGH_WORD]' and least
 *     significant word is 'sint[ERTS_DW_AINT_LOW_WORD]'.
 *
 *
 * Initialize (not necessarily the same as the set operation):
 *   void erts_dw_atomic_init_<B>(erts_dw_atomic_t *var,
 *                           erts_dw_aint_t *val);
 *
 * Set; value is written into 'val':
 *   void erts_dw_atomic_set_<B>(erts_dw_atomic_t *var,
 *                               erts_dw_aint_t *val);
 *
 * Read; value is written into 'val':
 *   void erts_dw_atomic_read_<B>(erts_dw_atomic_t *var,
 *                                erts_dw_aint_t *val);
 *
 * Compare and exchange; returns a value != 0 if exchange was
 * made; otherwise 0. 'new_val' contains new value to set. If 'exp_act'
 * contains the same value as in memory when the function is called,
 * 'new' is written to memory; otherwise, not. If exchange was not
 * made, 'exp_act' contains the actual value in memory:
 *   int erts_dw_atomic_cmpxchg_<B>(erts_dw_atomic_t *var,
 *                                  erts_dw_aint_t *new,
 *                                  erts_dw_aint_t *exp_act);
 */

#define ERTS_SPIN_BODY ETHR_SPIN_BODY

#include "sys.h"

#include "erl_lock_flags.h"
#include "erl_term.h"


#define ETHR_TRY_INLINE_FUNCS
#include "ethread.h"

#include "erl_lock_check.h"
#include "erl_lock_count.h"

#if defined(__GLIBC__) && (__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 4
/*
 * pthread_mutex_destroy() may return EBUSY when it shouldn't :( We have
 * only seen this bug in glibc versions before 2.4. Note that condition
 * variables, rwmutexes, spinlocks, and rwspinlocks also may be effected by
 * this bug since these implementations may use mutexes internally.
 */
#  define ERTS_THR_HAVE_BUSY_DESTROY_BUG
#endif

#define ERTS_THR_MEMORY_BARRIER ETHR_MEMORY_BARRIER
#define ERTS_THR_WRITE_MEMORY_BARRIER ETHR_WRITE_MEMORY_BARRIER
#define ERTS_THR_READ_MEMORY_BARRIER ETHR_READ_MEMORY_BARRIER
#define ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER ETHR_READ_DEPEND_MEMORY_BARRIER

#ifdef ERTS_ENABLE_LOCK_POSITION
#define erts_mtx_lock(L) erts_mtx_lock_x(L, __FILE__, __LINE__)
#define erts_mtx_trylock(L) erts_mtx_trylock_x(L, __FILE__, __LINE__)
#define erts_spin_lock(L) erts_spin_lock_x(L, __FILE__, __LINE__)
#define erts_rwmtx_tryrlock(L) erts_rwmtx_tryrlock_x(L, __FILE__, __LINE__)
#define erts_rwmtx_rlock(L) erts_rwmtx_rlock_x(L, __FILE__, __LINE__)
#define erts_rwmtx_tryrwlock(L) erts_rwmtx_tryrwlock_x(L, __FILE__, __LINE__)
#define erts_rwmtx_rwlock(L) erts_rwmtx_rwlock_x(L, __FILE__, __LINE__)
#define erts_read_lock(L) erts_read_lock_x(L, __FILE__, __LINE__)
#define erts_write_lock(L) erts_write_lock_x(L, __FILE__, __LINE__)
#endif

#define ERTS_THR_OPTS_DEFAULT_INITER ETHR_THR_OPTS_DEFAULT_INITER
typedef ethr_thr_opts erts_thr_opts_t;
typedef ethr_init_data erts_thr_init_data_t;
typedef ethr_late_init_data erts_thr_late_init_data_t;
typedef ethr_tid erts_tid_t;

/* mutex */
typedef struct {
    ethr_mutex mtx;
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_lock_t lc;
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_ref_t lcnt;
#endif
#ifdef DEBUG
    erts_lock_flags_t flags;
#endif
} erts_mtx_t;
typedef ethr_cond erts_cnd_t;

/* rwmutex */
typedef struct {
    ethr_rwmutex rwmtx;
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_lock_t lc;
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_ref_t lcnt;
#endif
#ifdef DEBUG
    erts_lock_flags_t flags;
#endif
} erts_rwmtx_t;

#define ERTS_MTX_OPT_DEFAULT_INITER ETHR_MUTEX_OPT_DEFAULT_INITER
#define ERTS_CND_OPT_DEFAULT_INITER ETHR_COND_OPT_DEFAULT_INITER
#define ERTS_RWMTX_OPT_DEFAULT_INITER ETHR_RWMUTEX_OPT_DEFAULT_INITER
#define ERTS_RWMTX_TYPE_NORMAL ETHR_RWMUTEX_TYPE_NORMAL
#define ERTS_RWMTX_TYPE_FREQUENT_READ ETHR_RWMUTEX_TYPE_FREQUENT_READ
#define ERTS_RWMTX_TYPE_EXTREMELY_FREQUENT_READ \
  ETHR_RWMUTEX_TYPE_EXTREMELY_FREQUENT_READ
#define ERTS_RWMTX_LONG_LIVED ETHR_RWMUTEX_LONG_LIVED
#define ERTS_RWMTX_SHORT_LIVED ETHR_RWMUTEX_SHORT_LIVED
#define ERTS_RWMTX_UNKNOWN_LIVED ETHR_RWMUTEX_UNKNOWN_LIVED
typedef ethr_rwmutex_opt erts_rwmtx_opt_t;

typedef ethr_tsd_key erts_tsd_key_t;
typedef ethr_ts_event erts_tse_t;
#define erts_dw_aint_t ethr_dw_sint_t
#define erts_dw_atomic_t ethr_dw_atomic_t
#define erts_aint_t ethr_sint_t
#define erts_atomic_t ethr_atomic_t
#define erts_aint32_t ethr_sint32_t 
#define erts_atomic32_t ethr_atomic32_t

#if defined(ARCH_32)
#  define erts_atomic64_t ethr_dw_atomic_t
#  define erts_aint64_t ethr_sint64_t
#elif defined(ARCH_64)
#  define erts_atomic64_t ethr_atomic_t
#  define erts_aint64_t ethr_sint_t
#else
#  error "Not supported architecture"
#endif

#define ERTS_DW_AINT_HIGH_WORD ETHR_DW_SINT_HIGH_WORD
#define ERTS_DW_AINT_LOW_WORD ETHR_DW_SINT_LOW_WORD

/* spinlock */
typedef struct {
    ethr_spinlock_t slck;
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_lock_t lc;
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_ref_t lcnt;
#endif
#ifdef DEBUG
    erts_lock_flags_t flags;
#endif
} erts_spinlock_t;

/* rwlock */
typedef struct {
    ethr_rwlock_t rwlck;
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_lock_t lc;
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_ref_t lcnt;
#endif
#ifdef DEBUG
    erts_lock_flags_t flags;
#endif
} erts_rwlock_t;

__decl_noreturn void  __noreturn erts_thr_fatal_error(int, char *); 
                                 /* implemented in erl_init.c */

#define ERTS_THR_INIT_DATA_DEF_INITER	ETHR_INIT_DATA_DEFAULT_INITER
#define ERTS_THR_LATE_INIT_DATA_DEF_INITER \
                                        ETHR_LATE_INIT_DATA_DEFAULT_INITER

#ifdef ETHR_HAVE_ETHR_REC_MUTEX_INIT
#  define ERTS_HAVE_REC_MTX_INIT	ETHR_HAVE_ETHR_REC_MUTEX_INIT
#endif


#define erts_no_dw_atomic_t erts_dw_aint_t
#define erts_no_atomic_t erts_aint_t
#define erts_no_atomic32_t erts_aint32_t
#define erts_no_atomic64_t erts_aint64_t

#define ERTS_AINT_NULL ((erts_aint_t) NULL)

#define ERTS_AINT_T_MAX (~(((erts_aint_t) 1) << (sizeof(erts_aint_t)*8-1)))
#define ERTS_AINT_T_MIN ((((erts_aint_t) 1) << (sizeof(erts_aint_t)*8-1)))
#define ERTS_AINT32_T_MAX (~(((erts_aint32_t) 1) << (sizeof(erts_aint32_t)*8-1)))
#define ERTS_AINT32_T_MIN ((((erts_aint32_t) 1) << (sizeof(erts_aint32_t)*8-1)))

ERTS_GLB_INLINE void erts_thr_init(erts_thr_init_data_t *id);
ERTS_GLB_INLINE void erts_thr_late_init(erts_thr_late_init_data_t *id);
ERTS_GLB_INLINE void erts_thr_create(erts_tid_t *tid, void * (*func)(void *),
				     void *arg, erts_thr_opts_t *opts);
ERTS_GLB_INLINE void erts_thr_join(erts_tid_t tid, void **thr_res);
ERTS_GLB_INLINE void erts_thr_detach(erts_tid_t tid);
ERTS_GLB_INLINE void erts_thr_exit(void *res);
ERTS_GLB_INLINE void erts_thr_install_exit_handler(void (*exit_handler)(void));
ERTS_GLB_INLINE erts_tid_t erts_thr_self(void);
ERTS_GLB_INLINE int erts_thr_getname(erts_tid_t tid, char *buf, size_t len);
ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y);
ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx,
                                   char *name,
                                   Eterm extra,
                                   erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx,
                                          char *name,
                                          Eterm extra,
                                          erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_mtx_destroy(erts_mtx_t *mtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_mtx_trylock_x(erts_mtx_t *mtx, char *file,
				       unsigned int line);
ERTS_GLB_INLINE void erts_mtx_lock_x(erts_mtx_t *mtx, char *file,
				     unsigned int line);
#else
ERTS_GLB_INLINE int erts_mtx_trylock(erts_mtx_t *mtx);
ERTS_GLB_INLINE void erts_mtx_lock(erts_mtx_t *mtx);
#endif
ERTS_GLB_INLINE void erts_mtx_unlock(erts_mtx_t *mtx);
ERTS_GLB_INLINE int erts_lc_mtx_is_locked(erts_mtx_t *mtx);
ERTS_GLB_INLINE void erts_cnd_init(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_cnd_destroy(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx);
ERTS_GLB_INLINE void erts_cnd_signal(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_cnd_broadcast(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_rwmtx_set_reader_group(int no);
ERTS_GLB_INLINE void erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx,
                                         erts_rwmtx_opt_t *opt,
                                         char *name,
                                         Eterm extra,
                                         erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwmtx_init(erts_rwmtx_t *rwmtx,
                                     char *name,
                                     Eterm extra,
                                     erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwmtx_destroy(erts_rwmtx_t *rwmtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_rwmtx_tryrlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line);
ERTS_GLB_INLINE void erts_rwmtx_rlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line);
ERTS_GLB_INLINE void erts_rwmtx_rwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line);
ERTS_GLB_INLINE int erts_rwmtx_tryrwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line);
#else
ERTS_GLB_INLINE int erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE void erts_rwmtx_rlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE void erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE int erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx);
#endif
ERTS_GLB_INLINE void erts_rwmtx_runlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE void erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE int erts_lc_rwmtx_is_rlocked(erts_rwmtx_t *mtx);
ERTS_GLB_INLINE int erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx);

ERTS_GLB_INLINE void erts_no_dw_atomic_set(erts_no_dw_atomic_t *var, erts_no_dw_atomic_t *val);
ERTS_GLB_INLINE void erts_no_dw_atomic_read(erts_no_dw_atomic_t *var, erts_no_dw_atomic_t *val);
ERTS_GLB_INLINE int erts_no_dw_atomic_cmpxchg(erts_no_dw_atomic_t *var,
					      erts_no_dw_atomic_t *val,
					      erts_no_dw_atomic_t *old_val);
ERTS_GLB_INLINE void erts_no_atomic_set(erts_no_atomic_t *var, erts_aint_t i);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_read(erts_no_atomic_t *var);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_inc_read(erts_no_atomic_t *incp);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_dec_read(erts_no_atomic_t *decp);
ERTS_GLB_INLINE void erts_no_atomic_inc(erts_no_atomic_t *incp);
ERTS_GLB_INLINE void erts_no_atomic_dec(erts_no_atomic_t *decp);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_add_read(erts_no_atomic_t *addp,
						    erts_aint_t i);
ERTS_GLB_INLINE void erts_no_atomic_add(erts_no_atomic_t *addp, erts_aint_t i);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_read_bor(erts_no_atomic_t *var,
						    erts_aint_t mask);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_read_band(erts_no_atomic_t *var,
						     erts_aint_t mask);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_xchg(erts_no_atomic_t *xchgp,
						erts_aint_t new);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_cmpxchg(erts_no_atomic_t *xchgp,
						   erts_aint_t new,
						   erts_aint_t expected);
ERTS_GLB_INLINE erts_aint_t erts_no_atomic_read_bset(erts_no_atomic_t *var,
						     erts_aint_t mask,
						     erts_aint_t set);
ERTS_GLB_INLINE void erts_no_atomic32_set(erts_no_atomic32_t *var,
					  erts_aint32_t i);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_read(erts_no_atomic32_t *var);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_inc_read(erts_no_atomic32_t *incp);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_dec_read(erts_no_atomic32_t *decp);
ERTS_GLB_INLINE void erts_no_atomic32_inc(erts_no_atomic32_t *incp);
ERTS_GLB_INLINE void erts_no_atomic32_dec(erts_no_atomic32_t *decp);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_add_read(erts_no_atomic32_t *addp,
							erts_aint32_t i);
ERTS_GLB_INLINE void erts_no_atomic32_add(erts_no_atomic32_t *addp,
					  erts_aint32_t i);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_read_bor(erts_no_atomic32_t *var,
							erts_aint32_t mask);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_read_band(erts_no_atomic32_t *var,
							 erts_aint32_t mask);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_xchg(erts_no_atomic32_t *xchgp,
						    erts_aint32_t new);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_cmpxchg(erts_no_atomic32_t *xchgp,
						       erts_aint32_t new,
						       erts_aint32_t expected);
ERTS_GLB_INLINE erts_aint32_t erts_no_atomic32_read_bset(erts_no_atomic32_t *var,
							 erts_aint32_t mask,
							 erts_aint32_t set);
ERTS_GLB_INLINE void erts_no_atomic64_set(erts_no_atomic64_t *var,
					  erts_aint64_t i);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_read(erts_no_atomic64_t *var);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_inc_read(erts_no_atomic64_t *incp);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_dec_read(erts_no_atomic64_t *decp);
ERTS_GLB_INLINE void erts_no_atomic64_inc(erts_no_atomic64_t *incp);
ERTS_GLB_INLINE void erts_no_atomic64_dec(erts_no_atomic64_t *decp);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_add_read(erts_no_atomic64_t *addp,
							erts_aint64_t i);
ERTS_GLB_INLINE void erts_no_atomic64_add(erts_no_atomic64_t *addp,
					  erts_aint64_t i);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_read_bor(erts_no_atomic64_t *var,
							erts_aint64_t mask);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_read_band(erts_no_atomic64_t *var,
							 erts_aint64_t mask);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_xchg(erts_no_atomic64_t *xchgp,
						    erts_aint64_t new);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_cmpxchg(erts_no_atomic64_t *xchgp,
						       erts_aint64_t new,
						       erts_aint64_t expected);
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_read_bset(erts_no_atomic64_t *var,
							 erts_aint64_t mask,
							 erts_aint64_t set);
ERTS_GLB_INLINE void erts_spinlock_init(erts_spinlock_t *lock,
                                        char *name,
                                        Eterm extra,
                                        erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_spinlock_destroy(erts_spinlock_t *lock);
ERTS_GLB_INLINE void erts_spin_unlock(erts_spinlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE void erts_spin_lock_x(erts_spinlock_t *lock, char *file, unsigned int line);
#else
ERTS_GLB_INLINE void erts_spin_lock(erts_spinlock_t *lock);
#endif
ERTS_GLB_INLINE int erts_lc_spinlock_is_locked(erts_spinlock_t *lock);
ERTS_GLB_INLINE void erts_rwlock_init(erts_rwlock_t *lock,
                                      char *name,
                                      Eterm extra,
                                      erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwlock_destroy(erts_rwlock_t *lock);
ERTS_GLB_INLINE void erts_read_unlock(erts_rwlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE void erts_read_lock_x(erts_rwlock_t *lock, char *file, unsigned int line);
ERTS_GLB_INLINE void erts_write_lock_x(erts_rwlock_t *lock, char *file, unsigned int line);
#else
ERTS_GLB_INLINE void erts_read_lock(erts_rwlock_t *lock);
ERTS_GLB_INLINE void erts_write_lock(erts_rwlock_t *lock);
#endif
ERTS_GLB_INLINE void erts_write_unlock(erts_rwlock_t *lock);
ERTS_GLB_INLINE int erts_lc_rwlock_is_rlocked(erts_rwlock_t *lock);
ERTS_GLB_INLINE int erts_lc_rwlock_is_rwlocked(erts_rwlock_t *lock);
ERTS_GLB_INLINE void erts_tsd_key_create(erts_tsd_key_t *keyp, char *keyname);
ERTS_GLB_INLINE void erts_tsd_key_delete(erts_tsd_key_t key);
ERTS_GLB_INLINE void erts_tsd_set(erts_tsd_key_t key, void *value);
ERTS_GLB_INLINE void * erts_tsd_get(erts_tsd_key_t key);
ERTS_GLB_INLINE erts_tse_t *erts_tse_fetch(void);
ERTS_GLB_INLINE void erts_tse_return(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_tse_prepare_timed(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_tse_set(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_tse_reset(erts_tse_t *ep);
ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep);
ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount);
ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo);
ERTS_GLB_INLINE int erts_tse_stwait(erts_tse_t *ep, int spincount, Sint64 tmo);
ERTS_GLB_INLINE int erts_tse_is_tmp(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_thr_set_main_status(int, int);
ERTS_GLB_INLINE int erts_thr_get_main_status(void);
ERTS_GLB_INLINE void erts_thr_yield(void);


#ifdef ETHR_HAVE_ETHR_SIG_FUNCS
#define ERTS_THR_HAVE_SIG_FUNCS 1
ERTS_GLB_INLINE void erts_thr_sigmask(int how, const sigset_t *set,
				      sigset_t *oset);
ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig);

ERTS_GLB_INLINE void erts_thr_kill(erts_tid_t tid, int sig);

#endif /* #ifdef HAVE_ETHR_SIG_FUNCS */


ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_nob(erts_atomic_t *var,
			  erts_aint_t mask,
			  erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_ddrb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_rb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_wb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_acqb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_relb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_mb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_nob(erts_atomic32_t *var,
			    erts_aint32_t mask,
			    erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_ddrb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_rb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_wb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_acqb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_relb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_mb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set);

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
#define ERTS_ATOMIC_BSET_IMPL__(Type, ReadOp, CmpxchgOp, VarP, Mask, Set) \
do {									\
    Type act = ReadOp((VarP));						\
    while (1) {								\
	Type exp = act;							\
	Type new = exp & ~(Mask);					\
	new |= ((Mask) & (Set));					\
	act = CmpxchgOp((VarP), new, exp);				\
	if (act == exp)							\
	    return act;							\
    }									\
} while (0)
#endif

ERTS_GLB_INLINE void
erts_dw_atomic_set_dirty(erts_dw_atomic_t *var, erts_dw_aint_t *val);
ERTS_GLB_INLINE void
erts_dw_atomic_read_dirty(erts_dw_atomic_t *var, erts_dw_aint_t *val);
ERTS_GLB_INLINE void
erts_atomic_set_dirty(erts_atomic_t *var, erts_aint_t val);
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_dirty(erts_atomic_t *var);
ERTS_GLB_INLINE void
erts_atomic32_set_dirty(erts_atomic32_t *var, erts_aint32_t val);
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_dirty(erts_atomic32_t *var);

/*
 * See "Documentation of atomics and memory barriers" at the top
 * of this file for info on atomics.
 */

/* Double word size atomics */

#define erts_dw_atomic_init_nob ethr_dw_atomic_init
#define erts_dw_atomic_set_nob ethr_dw_atomic_set
#define erts_dw_atomic_read_nob ethr_dw_atomic_read
#define erts_dw_atomic_cmpxchg_nob ethr_dw_atomic_cmpxchg

#define erts_dw_atomic_init_mb ethr_dw_atomic_init_mb
#define erts_dw_atomic_set_mb ethr_dw_atomic_set_mb
#define erts_dw_atomic_read_mb ethr_dw_atomic_read_mb
#define erts_dw_atomic_cmpxchg_mb ethr_dw_atomic_cmpxchg_mb

#define erts_dw_atomic_init_acqb ethr_dw_atomic_init_acqb
#define erts_dw_atomic_set_acqb ethr_dw_atomic_set_acqb
#define erts_dw_atomic_read_acqb ethr_dw_atomic_read_acqb
#define erts_dw_atomic_cmpxchg_acqb ethr_dw_atomic_cmpxchg_acqb

#define erts_dw_atomic_init_relb ethr_dw_atomic_init_relb
#define erts_dw_atomic_set_relb ethr_dw_atomic_set_relb
#define erts_dw_atomic_read_relb ethr_dw_atomic_read_relb
#define erts_dw_atomic_cmpxchg_relb ethr_dw_atomic_cmpxchg_relb

#define erts_dw_atomic_init_ddrb ethr_dw_atomic_init_ddrb
#define erts_dw_atomic_set_ddrb ethr_dw_atomic_set_ddrb
#define erts_dw_atomic_read_ddrb ethr_dw_atomic_read_ddrb
#define erts_dw_atomic_cmpxchg_ddrb ethr_dw_atomic_cmpxchg_ddrb

#define erts_dw_atomic_init_rb ethr_dw_atomic_init_rb
#define erts_dw_atomic_set_rb ethr_dw_atomic_set_rb
#define erts_dw_atomic_read_rb ethr_dw_atomic_read_rb
#define erts_dw_atomic_cmpxchg_rb ethr_dw_atomic_cmpxchg_rb

#define erts_dw_atomic_init_wb ethr_dw_atomic_init_wb
#define erts_dw_atomic_set_wb ethr_dw_atomic_set_wb
#define erts_dw_atomic_read_wb ethr_dw_atomic_read_wb
#define erts_dw_atomic_cmpxchg_wb ethr_dw_atomic_cmpxchg_wb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE void
erts_dw_atomic_set_dirty(erts_dw_atomic_t *var, erts_dw_aint_t *val)
{
    ethr_sint_t *sint = ethr_dw_atomic_addr(var);
    sint[0] = val->sint[0];
    sint[1] = val->sint[1];    
}

ERTS_GLB_INLINE void
erts_dw_atomic_read_dirty(erts_dw_atomic_t *var, erts_dw_aint_t *val)
{
    ethr_sint_t *sint = ethr_dw_atomic_addr(var);
    val->sint[0] = sint[0];
    val->sint[1] = sint[1];
}

#endif

/* Word size atomics */

#define erts_atomic_init_nob ethr_atomic_init
#define erts_atomic_set_nob ethr_atomic_set
#define erts_atomic_read_nob ethr_atomic_read
#define erts_atomic_inc_read_nob ethr_atomic_inc_read
#define erts_atomic_dec_read_nob ethr_atomic_dec_read
#define erts_atomic_inc_nob ethr_atomic_inc
#define erts_atomic_dec_nob ethr_atomic_dec
#define erts_atomic_add_read_nob ethr_atomic_add_read
#define erts_atomic_add_nob ethr_atomic_add
#define erts_atomic_read_bor_nob ethr_atomic_read_bor
#define erts_atomic_read_band_nob ethr_atomic_read_band
#define erts_atomic_xchg_nob ethr_atomic_xchg
#define erts_atomic_cmpxchg_nob ethr_atomic_cmpxchg

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_nob(erts_atomic_t *var,
			  erts_aint_t mask,
			  erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg,
			    var, mask, set);
}
#endif

#define erts_atomic_init_mb ethr_atomic_init_mb
#define erts_atomic_set_mb ethr_atomic_set_mb
#define erts_atomic_read_mb ethr_atomic_read_mb
#define erts_atomic_inc_read_mb ethr_atomic_inc_read_mb
#define erts_atomic_dec_read_mb ethr_atomic_dec_read_mb
#define erts_atomic_inc_mb ethr_atomic_inc_mb
#define erts_atomic_dec_mb ethr_atomic_dec_mb
#define erts_atomic_add_read_mb ethr_atomic_add_read_mb
#define erts_atomic_add_mb ethr_atomic_add_mb
#define erts_atomic_read_bor_mb ethr_atomic_read_bor_mb
#define erts_atomic_read_band_mb ethr_atomic_read_band_mb
#define erts_atomic_xchg_mb ethr_atomic_xchg_mb
#define erts_atomic_cmpxchg_mb ethr_atomic_cmpxchg_mb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_mb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_mb,
			    var, mask, set);
}
#endif

#define erts_atomic_init_acqb ethr_atomic_init_acqb
#define erts_atomic_set_acqb ethr_atomic_set_acqb
#define erts_atomic_read_acqb ethr_atomic_read_acqb
#define erts_atomic_inc_read_acqb ethr_atomic_inc_read_acqb
#define erts_atomic_dec_read_acqb ethr_atomic_dec_read_acqb
#define erts_atomic_inc_acqb ethr_atomic_inc_acqb
#define erts_atomic_dec_acqb ethr_atomic_dec_acqb
#define erts_atomic_add_read_acqb ethr_atomic_add_read_acqb
#define erts_atomic_add_acqb ethr_atomic_add_acqb
#define erts_atomic_read_bor_acqb ethr_atomic_read_bor_acqb
#define erts_atomic_read_band_acqb ethr_atomic_read_band_acqb
#define erts_atomic_xchg_acqb ethr_atomic_xchg_acqb
#define erts_atomic_cmpxchg_acqb ethr_atomic_cmpxchg_acqb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_acqb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_acqb,
			    var, mask, set);
}
#endif

#define erts_atomic_init_relb ethr_atomic_init_relb
#define erts_atomic_set_relb ethr_atomic_set_relb
#define erts_atomic_read_relb ethr_atomic_read_relb
#define erts_atomic_inc_read_relb ethr_atomic_inc_read_relb
#define erts_atomic_dec_read_relb ethr_atomic_dec_read_relb
#define erts_atomic_inc_relb ethr_atomic_inc_relb
#define erts_atomic_dec_relb ethr_atomic_dec_relb
#define erts_atomic_add_read_relb ethr_atomic_add_read_relb
#define erts_atomic_add_relb ethr_atomic_add_relb
#define erts_atomic_read_bor_relb ethr_atomic_read_bor_relb
#define erts_atomic_read_band_relb ethr_atomic_read_band_relb
#define erts_atomic_xchg_relb ethr_atomic_xchg_relb
#define erts_atomic_cmpxchg_relb ethr_atomic_cmpxchg_relb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_relb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_relb,
			    var, mask, set);
}
#endif

#define erts_atomic_init_ddrb ethr_atomic_init_ddrb
#define erts_atomic_set_ddrb ethr_atomic_set_ddrb
#define erts_atomic_read_ddrb ethr_atomic_read_ddrb
#define erts_atomic_inc_read_ddrb ethr_atomic_inc_read_ddrb
#define erts_atomic_dec_read_ddrb ethr_atomic_dec_read_ddrb
#define erts_atomic_inc_ddrb ethr_atomic_inc_ddrb
#define erts_atomic_dec_ddrb ethr_atomic_dec_ddrb
#define erts_atomic_add_read_ddrb ethr_atomic_add_read_ddrb
#define erts_atomic_add_ddrb ethr_atomic_add_ddrb
#define erts_atomic_read_bor_ddrb ethr_atomic_read_bor_ddrb
#define erts_atomic_read_band_ddrb ethr_atomic_read_band_ddrb
#define erts_atomic_xchg_ddrb ethr_atomic_xchg_ddrb
#define erts_atomic_cmpxchg_ddrb ethr_atomic_cmpxchg_ddrb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_ddrb(erts_atomic_t *var,
			   erts_aint_t mask,
			   erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_ddrb,
			    var, mask, set);
}
#endif

#define erts_atomic_init_rb ethr_atomic_init_rb
#define erts_atomic_set_rb ethr_atomic_set_rb
#define erts_atomic_read_rb ethr_atomic_read_rb
#define erts_atomic_inc_read_rb ethr_atomic_inc_read_rb
#define erts_atomic_dec_read_rb ethr_atomic_dec_read_rb
#define erts_atomic_inc_rb ethr_atomic_inc_rb
#define erts_atomic_dec_rb ethr_atomic_dec_rb
#define erts_atomic_add_read_rb ethr_atomic_add_read_rb
#define erts_atomic_add_rb ethr_atomic_add_rb
#define erts_atomic_read_bor_rb ethr_atomic_read_bor_rb
#define erts_atomic_read_band_rb ethr_atomic_read_band_rb
#define erts_atomic_xchg_rb ethr_atomic_xchg_rb
#define erts_atomic_cmpxchg_rb ethr_atomic_cmpxchg_rb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_rb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_rb,
			    var, mask, set);
}
#endif

#define erts_atomic_init_wb ethr_atomic_init_wb
#define erts_atomic_set_wb ethr_atomic_set_wb
#define erts_atomic_read_wb ethr_atomic_read_wb
#define erts_atomic_inc_read_wb ethr_atomic_inc_read_wb
#define erts_atomic_dec_read_wb ethr_atomic_dec_read_wb
#define erts_atomic_inc_wb ethr_atomic_inc_wb
#define erts_atomic_dec_wb ethr_atomic_dec_wb
#define erts_atomic_add_read_wb ethr_atomic_add_read_wb
#define erts_atomic_add_wb ethr_atomic_add_wb
#define erts_atomic_read_bor_wb ethr_atomic_read_bor_wb
#define erts_atomic_read_band_wb ethr_atomic_read_band_wb
#define erts_atomic_xchg_wb ethr_atomic_xchg_wb
#define erts_atomic_cmpxchg_wb ethr_atomic_cmpxchg_wb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_bset_wb(erts_atomic_t *var,
			 erts_aint_t mask,
			 erts_aint_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint_t,
			    ethr_atomic_read,
			    ethr_atomic_cmpxchg_wb,
			    var, mask, set);
}

#endif

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE void
erts_atomic_set_dirty(erts_atomic_t *var, erts_aint_t val)
{
    ethr_sint_t *sint = ethr_atomic_addr(var);
    *sint = val;
}

ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_dirty(erts_atomic_t *var)
{
    ethr_sint_t *sint = ethr_atomic_addr(var);
    return *sint;
}

#endif

/* 32-bit atomics */

#define erts_atomic32_init_nob ethr_atomic32_init
#define erts_atomic32_set_nob ethr_atomic32_set
#define erts_atomic32_read_nob ethr_atomic32_read
#define erts_atomic32_inc_read_nob ethr_atomic32_inc_read
#define erts_atomic32_dec_read_nob ethr_atomic32_dec_read
#define erts_atomic32_inc_nob ethr_atomic32_inc
#define erts_atomic32_dec_nob ethr_atomic32_dec
#define erts_atomic32_add_read_nob ethr_atomic32_add_read
#define erts_atomic32_add_nob ethr_atomic32_add
#define erts_atomic32_read_bor_nob ethr_atomic32_read_bor
#define erts_atomic32_read_band_nob ethr_atomic32_read_band
#define erts_atomic32_xchg_nob ethr_atomic32_xchg
#define erts_atomic32_cmpxchg_nob ethr_atomic32_cmpxchg

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_nob(erts_atomic32_t *var,
			    erts_aint32_t mask,
			    erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_mb ethr_atomic32_init_mb
#define erts_atomic32_set_mb ethr_atomic32_set_mb
#define erts_atomic32_read_mb ethr_atomic32_read_mb
#define erts_atomic32_inc_read_mb ethr_atomic32_inc_read_mb
#define erts_atomic32_dec_read_mb ethr_atomic32_dec_read_mb
#define erts_atomic32_inc_mb ethr_atomic32_inc_mb
#define erts_atomic32_dec_mb ethr_atomic32_dec_mb
#define erts_atomic32_add_read_mb ethr_atomic32_add_read_mb
#define erts_atomic32_add_mb ethr_atomic32_add_mb
#define erts_atomic32_read_bor_mb ethr_atomic32_read_bor_mb
#define erts_atomic32_read_band_mb ethr_atomic32_read_band_mb
#define erts_atomic32_xchg_mb ethr_atomic32_xchg_mb
#define erts_atomic32_cmpxchg_mb ethr_atomic32_cmpxchg_mb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_mb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_mb,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_acqb ethr_atomic32_init_acqb
#define erts_atomic32_set_acqb ethr_atomic32_set_acqb
#define erts_atomic32_read_acqb ethr_atomic32_read_acqb
#define erts_atomic32_inc_read_acqb ethr_atomic32_inc_read_acqb
#define erts_atomic32_dec_read_acqb ethr_atomic32_dec_read_acqb
#define erts_atomic32_inc_acqb ethr_atomic32_inc_acqb
#define erts_atomic32_dec_acqb ethr_atomic32_dec_acqb
#define erts_atomic32_add_read_acqb ethr_atomic32_add_read_acqb
#define erts_atomic32_add_acqb ethr_atomic32_add_acqb
#define erts_atomic32_read_bor_acqb ethr_atomic32_read_bor_acqb
#define erts_atomic32_read_band_acqb ethr_atomic32_read_band_acqb
#define erts_atomic32_xchg_acqb ethr_atomic32_xchg_acqb
#define erts_atomic32_cmpxchg_acqb ethr_atomic32_cmpxchg_acqb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_acqb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_acqb,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_relb ethr_atomic32_init_relb
#define erts_atomic32_set_relb ethr_atomic32_set_relb
#define erts_atomic32_read_relb ethr_atomic32_read_relb
#define erts_atomic32_inc_read_relb ethr_atomic32_inc_read_relb
#define erts_atomic32_dec_read_relb ethr_atomic32_dec_read_relb
#define erts_atomic32_inc_relb ethr_atomic32_inc_relb
#define erts_atomic32_dec_relb ethr_atomic32_dec_relb
#define erts_atomic32_add_read_relb ethr_atomic32_add_read_relb
#define erts_atomic32_add_relb ethr_atomic32_add_relb
#define erts_atomic32_read_bor_relb ethr_atomic32_read_bor_relb
#define erts_atomic32_read_band_relb ethr_atomic32_read_band_relb
#define erts_atomic32_xchg_relb ethr_atomic32_xchg_relb
#define erts_atomic32_cmpxchg_relb ethr_atomic32_cmpxchg_relb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_relb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_relb,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_ddrb ethr_atomic32_init_ddrb
#define erts_atomic32_set_ddrb ethr_atomic32_set_ddrb
#define erts_atomic32_read_ddrb ethr_atomic32_read_ddrb
#define erts_atomic32_inc_read_ddrb ethr_atomic32_inc_read_ddrb
#define erts_atomic32_dec_read_ddrb ethr_atomic32_dec_read_ddrb
#define erts_atomic32_inc_ddrb ethr_atomic32_inc_ddrb
#define erts_atomic32_dec_ddrb ethr_atomic32_dec_ddrb
#define erts_atomic32_add_read_ddrb ethr_atomic32_add_read_ddrb
#define erts_atomic32_add_ddrb ethr_atomic32_add_ddrb
#define erts_atomic32_read_bor_ddrb ethr_atomic32_read_bor_ddrb
#define erts_atomic32_read_band_ddrb ethr_atomic32_read_band_ddrb
#define erts_atomic32_xchg_ddrb ethr_atomic32_xchg_ddrb
#define erts_atomic32_cmpxchg_ddrb ethr_atomic32_cmpxchg_ddrb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_ddrb(erts_atomic32_t *var,
			     erts_aint32_t mask,
			     erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_ddrb,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_rb ethr_atomic32_init_rb
#define erts_atomic32_set_rb ethr_atomic32_set_rb
#define erts_atomic32_read_rb ethr_atomic32_read_rb
#define erts_atomic32_inc_read_rb ethr_atomic32_inc_read_rb
#define erts_atomic32_dec_read_rb ethr_atomic32_dec_read_rb
#define erts_atomic32_inc_rb ethr_atomic32_inc_rb
#define erts_atomic32_dec_rb ethr_atomic32_dec_rb
#define erts_atomic32_add_read_rb ethr_atomic32_add_read_rb
#define erts_atomic32_add_rb ethr_atomic32_add_rb
#define erts_atomic32_read_bor_rb ethr_atomic32_read_bor_rb
#define erts_atomic32_read_band_rb ethr_atomic32_read_band_rb
#define erts_atomic32_xchg_rb ethr_atomic32_xchg_rb
#define erts_atomic32_cmpxchg_rb ethr_atomic32_cmpxchg_rb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_rb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_rb,
			    var, mask, set);
}
#endif

#define erts_atomic32_init_wb ethr_atomic32_init_wb
#define erts_atomic32_set_wb ethr_atomic32_set_wb
#define erts_atomic32_read_wb ethr_atomic32_read_wb
#define erts_atomic32_inc_read_wb ethr_atomic32_inc_read_wb
#define erts_atomic32_dec_read_wb ethr_atomic32_dec_read_wb
#define erts_atomic32_inc_wb ethr_atomic32_inc_wb
#define erts_atomic32_dec_wb ethr_atomic32_dec_wb
#define erts_atomic32_add_read_wb ethr_atomic32_add_read_wb
#define erts_atomic32_add_wb ethr_atomic32_add_wb
#define erts_atomic32_read_bor_wb ethr_atomic32_read_bor_wb
#define erts_atomic32_read_band_wb ethr_atomic32_read_band_wb
#define erts_atomic32_xchg_wb ethr_atomic32_xchg_wb
#define erts_atomic32_cmpxchg_wb ethr_atomic32_cmpxchg_wb

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_bset_wb(erts_atomic32_t *var,
			   erts_aint32_t mask,
			   erts_aint32_t set)
{
    ERTS_ATOMIC_BSET_IMPL__(erts_aint32_t,
			    ethr_atomic32_read,
			    ethr_atomic32_cmpxchg_wb,
			    var, mask, set);
}

#endif

#undef ERTS_ATOMIC_BSET_IMPL__

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE void
erts_atomic32_set_dirty(erts_atomic32_t *var, erts_aint32_t val)
{
    ethr_sint32_t *sint = ethr_atomic32_addr(var);
    *sint = val;
}

ERTS_GLB_INLINE erts_aint32_t
erts_atomic32_read_dirty(erts_atomic32_t *var)
{
    ethr_sint32_t *sint = ethr_atomic32_addr(var);
    return *sint;
}

#endif

/* 64-bit atomics */

#if defined(ARCH_64)

#define erts_atomic64_init_nob ethr_atomic_init
#define erts_atomic64_set_nob ethr_atomic_set
#define erts_atomic64_read_nob ethr_atomic_read
#define erts_atomic64_inc_read_nob ethr_atomic_inc_read
#define erts_atomic64_dec_read_nob ethr_atomic_dec_read
#define erts_atomic64_inc_nob ethr_atomic_inc
#define erts_atomic64_dec_nob ethr_atomic_dec
#define erts_atomic64_add_read_nob ethr_atomic_add_read
#define erts_atomic64_add_nob ethr_atomic_add
#define erts_atomic64_read_bor_nob ethr_atomic_read_bor
#define erts_atomic64_read_band_nob ethr_atomic_read_band
#define erts_atomic64_xchg_nob ethr_atomic_xchg
#define erts_atomic64_cmpxchg_nob ethr_atomic_cmpxchg
#define erts_atomic64_read_bset_nob erts_atomic_read_bset_nob

#define erts_atomic64_init_mb ethr_atomic_init_mb
#define erts_atomic64_set_mb ethr_atomic_set_mb
#define erts_atomic64_read_mb ethr_atomic_read_mb
#define erts_atomic64_inc_read_mb ethr_atomic_inc_read_mb
#define erts_atomic64_dec_read_mb ethr_atomic_dec_read_mb
#define erts_atomic64_inc_mb ethr_atomic_inc_mb
#define erts_atomic64_dec_mb ethr_atomic_dec_mb
#define erts_atomic64_add_read_mb ethr_atomic_add_read_mb
#define erts_atomic64_add_mb ethr_atomic_add_mb
#define erts_atomic64_read_bor_mb ethr_atomic_read_bor_mb
#define erts_atomic64_read_band_mb ethr_atomic_read_band_mb
#define erts_atomic64_xchg_mb ethr_atomic_xchg_mb
#define erts_atomic64_cmpxchg_mb ethr_atomic_cmpxchg_mb
#define erts_atomic64_read_bset_mb erts_atomic_read_bset_mb

#define erts_atomic64_init_acqb ethr_atomic_init_acqb
#define erts_atomic64_set_acqb ethr_atomic_set_acqb
#define erts_atomic64_read_acqb ethr_atomic_read_acqb
#define erts_atomic64_inc_read_acqb ethr_atomic_inc_read_acqb
#define erts_atomic64_dec_read_acqb ethr_atomic_dec_read_acqb
#define erts_atomic64_inc_acqb ethr_atomic_inc_acqb
#define erts_atomic64_dec_acqb ethr_atomic_dec_acqb
#define erts_atomic64_add_read_acqb ethr_atomic_add_read_acqb
#define erts_atomic64_add_acqb ethr_atomic_add_acqb
#define erts_atomic64_read_bor_acqb ethr_atomic_read_bor_acqb
#define erts_atomic64_read_band_acqb ethr_atomic_read_band_acqb
#define erts_atomic64_xchg_acqb ethr_atomic_xchg_acqb
#define erts_atomic64_cmpxchg_acqb ethr_atomic_cmpxchg_acqb
#define erts_atomic64_read_bset_acqb erts_atomic_read_bset_acqb

#define erts_atomic64_init_relb ethr_atomic_init_relb
#define erts_atomic64_set_relb ethr_atomic_set_relb
#define erts_atomic64_read_relb ethr_atomic_read_relb
#define erts_atomic64_inc_read_relb ethr_atomic_inc_read_relb
#define erts_atomic64_dec_read_relb ethr_atomic_dec_read_relb
#define erts_atomic64_inc_relb ethr_atomic_inc_relb
#define erts_atomic64_dec_relb ethr_atomic_dec_relb
#define erts_atomic64_add_read_relb ethr_atomic_add_read_relb
#define erts_atomic64_add_relb ethr_atomic_add_relb
#define erts_atomic64_read_bor_relb ethr_atomic_read_bor_relb
#define erts_atomic64_read_band_relb ethr_atomic_read_band_relb
#define erts_atomic64_xchg_relb ethr_atomic_xchg_relb
#define erts_atomic64_cmpxchg_relb ethr_atomic_cmpxchg_relb
#define erts_atomic64_read_bset_relb erts_atomic_read_bset_relb

#define erts_atomic64_init_ddrb ethr_atomic_init_ddrb
#define erts_atomic64_set_ddrb ethr_atomic_set_ddrb
#define erts_atomic64_read_ddrb ethr_atomic_read_ddrb
#define erts_atomic64_inc_read_ddrb ethr_atomic_inc_read_ddrb
#define erts_atomic64_dec_read_ddrb ethr_atomic_dec_read_ddrb
#define erts_atomic64_inc_ddrb ethr_atomic_inc_ddrb
#define erts_atomic64_dec_ddrb ethr_atomic_dec_ddrb
#define erts_atomic64_add_read_ddrb ethr_atomic_add_read_ddrb
#define erts_atomic64_add_ddrb ethr_atomic_add_ddrb
#define erts_atomic64_read_bor_ddrb ethr_atomic_read_bor_ddrb
#define erts_atomic64_read_band_ddrb ethr_atomic_read_band_ddrb
#define erts_atomic64_xchg_ddrb ethr_atomic_xchg_ddrb
#define erts_atomic64_cmpxchg_ddrb ethr_atomic_cmpxchg_ddrb
#define erts_atomic64_read_bset_ddrb erts_atomic_read_bset_ddrb

#define erts_atomic64_init_rb ethr_atomic_init_rb
#define erts_atomic64_set_rb ethr_atomic_set_rb
#define erts_atomic64_read_rb ethr_atomic_read_rb
#define erts_atomic64_inc_read_rb ethr_atomic_inc_read_rb
#define erts_atomic64_dec_read_rb ethr_atomic_dec_read_rb
#define erts_atomic64_inc_rb ethr_atomic_inc_rb
#define erts_atomic64_dec_rb ethr_atomic_dec_rb
#define erts_atomic64_add_read_rb ethr_atomic_add_read_rb
#define erts_atomic64_add_rb ethr_atomic_add_rb
#define erts_atomic64_read_bor_rb ethr_atomic_read_bor_rb
#define erts_atomic64_read_band_rb ethr_atomic_read_band_rb
#define erts_atomic64_xchg_rb ethr_atomic_xchg_rb
#define erts_atomic64_cmpxchg_rb ethr_atomic_cmpxchg_rb
#define erts_atomic64_read_bset_rb erts_atomic_read_bset_rb

#define erts_atomic64_init_wb ethr_atomic_init_wb
#define erts_atomic64_set_wb ethr_atomic_set_wb
#define erts_atomic64_read_wb ethr_atomic_read_wb
#define erts_atomic64_inc_read_wb ethr_atomic_inc_read_wb
#define erts_atomic64_dec_read_wb ethr_atomic_dec_read_wb
#define erts_atomic64_inc_wb ethr_atomic_inc_wb
#define erts_atomic64_dec_wb ethr_atomic_dec_wb
#define erts_atomic64_add_read_wb ethr_atomic_add_read_wb
#define erts_atomic64_add_wb ethr_atomic_add_wb
#define erts_atomic64_read_bor_wb ethr_atomic_read_bor_wb
#define erts_atomic64_read_band_wb ethr_atomic_read_band_wb
#define erts_atomic64_xchg_wb ethr_atomic_xchg_wb
#define erts_atomic64_cmpxchg_wb ethr_atomic_cmpxchg_wb
#define erts_atomic64_read_bset_wb erts_atomic_read_bset_wb

#define erts_atomic64_set_dirty erts_atomic_set_dirty
#define erts_atomic64_read_dirty erts_atomic_read_dirty

#elif defined(ARCH_32)

#undef ERTS_ATOMIC64_OPS_DECL__

#define ERTS_ATOMIC64_OPS_DECL__(BARRIER)				\
ERTS_GLB_INLINE void							\
erts_atomic64_init_ ## BARRIER(erts_atomic64_t *var,			\
			       erts_aint64_t val);			\
ERTS_GLB_INLINE void							\
erts_atomic64_set_ ## BARRIER(erts_atomic64_t *var,			\
			      erts_aint64_t val);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_ ## BARRIER(erts_atomic64_t *var);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_inc_read_ ## BARRIER(erts_atomic64_t *var);		\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_dec_read_ ## BARRIER(erts_atomic64_t *var);		\
ERTS_GLB_INLINE void							\
erts_atomic64_inc_ ## BARRIER(erts_atomic64_t *var);			\
ERTS_GLB_INLINE void							\
erts_atomic64_dec_ ## BARRIER(erts_atomic64_t *var);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_add_read_ ## BARRIER(erts_atomic64_t *var,		\
				   erts_aint64_t val);			\
ERTS_GLB_INLINE void							\
erts_atomic64_add_ ## BARRIER(erts_atomic64_t *var,			\
			      erts_aint64_t val);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_bor_ ## BARRIER(erts_atomic64_t *var,		\
				   erts_aint64_t val);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_band_ ## BARRIER(erts_atomic64_t *var,		\
				    erts_aint64_t val);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_xchg_ ## BARRIER(erts_atomic64_t *var,			\
			       erts_aint64_t val);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_cmpxchg_ ## BARRIER(erts_atomic64_t *var,			\
				  erts_aint64_t new,			\
				  erts_aint64_t exp);			\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_bset_ ## BARRIER(erts_atomic64_t *var,		\
				    erts_aint64_t mask,			\
				    erts_aint64_t set)

ERTS_ATOMIC64_OPS_DECL__(nob);
ERTS_ATOMIC64_OPS_DECL__(mb);
ERTS_ATOMIC64_OPS_DECL__(acqb);
ERTS_ATOMIC64_OPS_DECL__(relb);
ERTS_ATOMIC64_OPS_DECL__(ddrb);
ERTS_ATOMIC64_OPS_DECL__(rb);
ERTS_ATOMIC64_OPS_DECL__(wb);

#undef ERTS_ATOMIC64_OPS_DECL__

ERTS_GLB_INLINE void
erts_atomic64_set_dirty(erts_atomic64_t *var, erts_aint64_t val);
ERTS_GLB_INLINE erts_aint64_t
erts_atomic64_read_dirty(erts_atomic64_t *var);

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

/*
 * The ethr_dw_atomic_*_nob() functions below
 * are here to make it possible for the
 * ERTS_ATOMIC64_OPS_IMPL__() to map erts
 * barriers to ethread barriers...
 */
static ERTS_INLINE void
ethr_dw_atomic_init_nob(ethr_dw_atomic_t *var,
			ethr_dw_sint_t *val)
{
    ethr_dw_atomic_init(var, val);
}

static ERTS_INLINE void
ethr_dw_atomic_set_nob(ethr_dw_atomic_t *var,
		       ethr_dw_sint_t *val)
{
    ethr_dw_atomic_set(var, val);
}

static ERTS_INLINE void
ethr_dw_atomic_read_nob(ethr_dw_atomic_t *var,
			ethr_dw_sint_t *val)
{
    ethr_dw_atomic_read(var, val);
}

static ERTS_INLINE int
ethr_dw_atomic_cmpxchg_nob(ethr_dw_atomic_t *var,
			   ethr_dw_sint_t *new,
			   ethr_dw_sint_t *xchg)
{
    return ethr_dw_atomic_cmpxchg(var, new, xchg);
}

#undef ERTS_ATOMIC64_OPS_IMPL__
#undef ERTS_ATOMIC64_DW_CMPXCHG_IMPL__
#undef ERTS_DW_SINT_TO_AINT64__
#undef ERTS_AINT64_TO_DW_SINT__

#ifdef ETHR_SU_DW_NAINT_T__
#define ERTS_DW_SINT_TO_AINT64__(DW)					\
    ((erts_aint64_t) DW.dw_sint)
#define ERTS_AINT64_TO_DW_SINT__(DW, AINT64) 				\
    (DW.dw_sint = (ETHR_SU_DW_NAINT_T__) AINT64)
#else /* !ETHR_SU_DW_NAINT_T__ */
#define ERTS_DW_SINT_TO_AINT64__(DW)					\
    ((((erts_aint64_t) DW.sint[ETHR_DW_SINT_HIGH_WORD]) << 32)		\
     | (((erts_aint64_t) DW.sint[ETHR_DW_SINT_LOW_WORD])		\
	& ((erts_aint64_t) 0xffffffff)))
#define ERTS_AINT64_TO_DW_SINT__(DW, AINT64) 				\
    do {								\
	DW.sint[ETHR_DW_SINT_LOW_WORD] =				\
	    (ethr_sint_t) (AINT64 & 0xffffffff);			\
	DW.sint[ETHR_DW_SINT_HIGH_WORD] = 				\
	    (ethr_sint_t) ((AINT64 >> 32) & 0xffffffff);		\
    } while (0)
#endif /* !ETHR_SU_DW_NAINT_T__ */

#define ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(CmpXchgOp, 			\
					AVarP, XchgVar, NewVar, 	\
					ModificationCode)		\
do {									\
    ethr_dw_sint_t dw_xchg__, dw_new__;					\
    ethr_dw_atomic_read(AVarP, &dw_xchg__);				\
    do {								\
	XchgVar = ERTS_DW_SINT_TO_AINT64__(dw_xchg__);			\
	{								\
	    ModificationCode;						\
	}								\
	ERTS_AINT64_TO_DW_SINT__(dw_new__, NewVar);			\
    } while (!CmpXchgOp((AVarP), &dw_new__, &dw_xchg__));		\
} while (0)

#define ERTS_ATOMIC64_OPS_IMPL__(BARRIER)				\
    									\
ERTS_GLB_INLINE void							\
erts_atomic64_init_ ## BARRIER(erts_atomic64_t *var,			\
			       erts_aint64_t val)			\
{									\
    ethr_dw_sint_t dw;							\
    ERTS_AINT64_TO_DW_SINT__(dw, val);					\
    ethr_dw_atomic_init_ ## BARRIER(var, &dw);				\
}									\
									\
ERTS_GLB_INLINE void							\
erts_atomic64_set_ ## BARRIER(erts_atomic64_t *var,			\
			      erts_aint64_t val)			\
{									\
    ethr_dw_sint_t dw;							\
    ERTS_AINT64_TO_DW_SINT__(dw, val);					\
    ethr_dw_atomic_set_ ## BARRIER(var, &dw);				\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_ ## BARRIER(erts_atomic64_t *var)			\
{									\
    ethr_dw_sint_t dw;							\
    ethr_dw_atomic_read_ ## BARRIER(var, &dw);				\
    return ERTS_DW_SINT_TO_AINT64__(dw);				\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_inc_read_ ## BARRIER(erts_atomic64_t *var)		\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg + 1);			\
    return new;								\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_dec_read_ ## BARRIER(erts_atomic64_t *var)		\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg - 1);			\
    return new;								\
}									\
									\
ERTS_GLB_INLINE void							\
erts_atomic64_inc_ ## BARRIER(erts_atomic64_t *var)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg + 1);			\
}									\
									\
ERTS_GLB_INLINE void							\
erts_atomic64_dec_ ## BARRIER(erts_atomic64_t *var)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg - 1);			\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_add_read_ ## BARRIER(erts_atomic64_t *var,		\
				   erts_aint64_t val)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg + val);			\
    return new;								\
}									\
									\
ERTS_GLB_INLINE void							\
erts_atomic64_add_ ## BARRIER(erts_atomic64_t *var,			\
			      erts_aint64_t val)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg + val);			\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_bor_ ## BARRIER(erts_atomic64_t *var,		\
				   erts_aint64_t val)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg | val);			\
    return xchg;							\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_band_ ## BARRIER(erts_atomic64_t *var,		\
				    erts_aint64_t val)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = xchg & val);			\
    return xchg;							\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_xchg_ ## BARRIER(erts_atomic64_t *var,			\
			       erts_aint64_t val)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    new = val);				\
    return xchg;							\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_cmpxchg_ ## BARRIER(erts_atomic64_t *var,			\
				  erts_aint64_t new,			\
				  erts_aint64_t exp)			\
{									\
    ethr_dw_sint_t dw_xchg, dw_new;					\
    ERTS_AINT64_TO_DW_SINT__(dw_xchg, exp);				\
    ERTS_AINT64_TO_DW_SINT__(dw_new, new);				\
    if (ethr_dw_atomic_cmpxchg_ ## BARRIER(var, &dw_new, &dw_xchg))	\
	return exp;							\
    return ERTS_DW_SINT_TO_AINT64__(dw_xchg);				\
}									\
									\
ERTS_GLB_INLINE erts_aint64_t						\
erts_atomic64_read_bset_ ## BARRIER(erts_atomic64_t *var,		\
				    erts_aint64_t mask,			\
				    erts_aint64_t set)			\
{									\
    erts_aint64_t xchg, new;						\
    ERTS_ATOMIC64_DW_CMPXCHG_IMPL__(ethr_dw_atomic_cmpxchg_ ## BARRIER,	\
				    var, xchg, new,			\
				    {					\
					new = xchg & ~mask;		\
					new |= mask & set;		\
				    });					\
    return xchg;							\
}

ERTS_ATOMIC64_OPS_IMPL__(nob)
ERTS_ATOMIC64_OPS_IMPL__(mb)
ERTS_ATOMIC64_OPS_IMPL__(acqb)
ERTS_ATOMIC64_OPS_IMPL__(relb)
ERTS_ATOMIC64_OPS_IMPL__(ddrb)
ERTS_ATOMIC64_OPS_IMPL__(rb)
ERTS_ATOMIC64_OPS_IMPL__(wb)

#undef ERTS_ATOMIC64_OPS_IMPL__
#undef ERTS_ATOMIC64_DW_CMPXCHG_IMPL__

ERTS_GLB_INLINE void
erts_atomic64_set_dirty(erts_atomic64_t *var, erts_aint64_t val)
{
    ethr_sint_t *sint = ethr_dw_atomic_addr(var);
    ethr_dw_sint_t dw;
    ERTS_AINT64_TO_DW_SINT__(dw, val);
    sint[0] = dw.sint[0];
    sint[1] = dw.sint[1];
}

ERTS_GLB_INLINE erts_aint64_t
erts_atomic64_read_dirty(erts_atomic64_t *var)
{
    ethr_sint_t *sint;
    ethr_dw_sint_t dw;
    sint = ethr_dw_atomic_addr(var);
    dw.sint[0] = sint[0];
    dw.sint[1] = sint[1];
    return ERTS_DW_SINT_TO_AINT64__(dw);
}

#undef ERTS_DW_SINT_TO_AINT64__
#undef ERTS_AINT64_TO_DW_SINT__

#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */

#endif /* ARCH_32 */


#include "erl_msacc.h"

#if ERTS_GLB_INLINE_INCL_FUNC_DEF

ERTS_GLB_INLINE void
erts_thr_init(erts_thr_init_data_t *id)
{
    int res = ethr_init(id);
    if (res)
	erts_thr_fatal_error(res, "initialize thread library");
}

ERTS_GLB_INLINE void
erts_thr_late_init(erts_thr_late_init_data_t *id)
{
    int res = ethr_late_init(id);
    if (res)
	erts_thr_fatal_error(res, "complete initialization of thread library");
}

ERTS_GLB_INLINE void
erts_thr_create(erts_tid_t *tid, void * (*func)(void *), void *arg,
		erts_thr_opts_t *opts)
{
    int res = ethr_thr_create(tid, func, arg, opts);
    if (res)
	erts_thr_fatal_error(res, "create thread");
}

ERTS_GLB_INLINE void
erts_thr_join(erts_tid_t tid, void **thr_res)
{
    int res = ethr_thr_join(tid, thr_res);
    if (res)
	erts_thr_fatal_error(res, "join thread");
}


ERTS_GLB_INLINE void
erts_thr_detach(erts_tid_t tid)
{
    int res = ethr_thr_detach(tid);
    if (res)
	erts_thr_fatal_error(res, "detach thread");
}


ERTS_GLB_INLINE void
erts_thr_exit(void *res)
{
    ethr_thr_exit(res);
    erts_thr_fatal_error(0, "terminate thread");
}

ERTS_GLB_INLINE void
erts_thr_install_exit_handler(void (*exit_handler)(void))
{
    int res = ethr_install_exit_handler(exit_handler);
    if (res != 0)
	erts_thr_fatal_error(res, "install thread exit handler");
}

ERTS_GLB_INLINE erts_tid_t
erts_thr_self(void)
{
    return ethr_self();
}

ERTS_GLB_INLINE int
erts_thr_getname(erts_tid_t tid, char *buf, size_t len)
{
    return ethr_getname(tid, buf, len);
}


ERTS_GLB_INLINE int
erts_equal_tids(erts_tid_t x, erts_tid_t y)
{
    return ethr_equal_tids(x, y);
}

ERTS_GLB_INLINE void
erts_mtx_init(erts_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
    int res = ethr_mutex_init(&mtx->mtx);
    if (res) {
        erts_thr_fatal_error(res, "initialize mutex");
    }

    flags |= ERTS_LOCK_TYPE_MUTEX;
#ifdef DEBUG
    mtx->flags = flags;
#endif

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_init_lock_x(&mtx->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_init_ref_x(&mtx->lcnt, name, extra, flags);
#endif
}

ERTS_GLB_INLINE void
erts_mtx_init_locked(erts_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
    erts_mtx_init(mtx, name, extra, flags);

    ethr_mutex_lock(&mtx->mtx);
    #ifdef ERTS_ENABLE_LOCK_CHECK
        erts_lc_trylock(1, &mtx->lc);
    #endif
    #ifdef ERTS_ENABLE_LOCK_COUNT
        erts_lcnt_trylock(&mtx->lcnt, 1);
    #endif
}

ERTS_GLB_INLINE void
erts_mtx_destroy(erts_mtx_t *mtx)
{
    int res;

    ASSERT(!(mtx->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_destroy_lock(&mtx->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_uninstall(&mtx->lcnt);
#endif
    res = ethr_mutex_destroy(&mtx->mtx);
    if (res != 0) {
#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
	if (res == EBUSY) {
	    char *warn = "Ignoring busy mutex destroy. "
		"Most likely a bug in pthread implementation.";
	    erts_send_warning_to_logger_str_nogl(warn);
	}
	else
#endif
	    erts_thr_fatal_error(res, "destroy mutex");
    }
}

ERTS_GLB_INLINE int
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_mtx_trylock_x(erts_mtx_t *mtx, char *file, unsigned int line)
#else
erts_mtx_trylock(erts_mtx_t *mtx)
#endif
{
    int res;

#ifdef ERTS_ENABLE_LOCK_CHECK
    if (erts_lc_trylock_force_busy(&mtx->lc))
	return EBUSY; /* Make sure caller can handle the situation without
			 causing a lock order violation */
#endif

    res = ethr_mutex_trylock(&mtx->mtx);

#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_trylock_x(res == 0, &mtx->lc,file,line);
#else
    erts_lc_trylock(res == 0, &mtx->lc);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_trylock(&mtx->lcnt, res);
#endif    
    return res;

}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_mtx_lock_x(erts_mtx_t *mtx, char *file, unsigned int line)
#else
erts_mtx_lock(erts_mtx_t *mtx)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_x(&mtx->lc, file, line);
#else
    erts_lc_lock(&mtx->lc);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock(&mtx->lcnt);
#endif
    ethr_mutex_lock(&mtx->mtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&mtx->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE void
erts_mtx_unlock(erts_mtx_t *mtx)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock(&mtx->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock(&mtx->lcnt);
#endif
    ethr_mutex_unlock(&mtx->mtx);
}

ERTS_GLB_INLINE int
erts_lc_mtx_is_locked(erts_mtx_t *mtx)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = mtx->lc;
    lc.flags = ERTS_LOCK_FLAGS_TYPE_MUTEX;
    lc.taken_options = 0;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

ERTS_GLB_INLINE void
erts_cnd_init(erts_cnd_t *cnd)
{
    int res = ethr_cond_init(cnd);
    if (res)
	erts_thr_fatal_error(res, "initialize condition variable");
}

ERTS_GLB_INLINE void
erts_cnd_destroy(erts_cnd_t *cnd)
{
    int res = ethr_cond_destroy(cnd);
    if (res != 0) {
#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
	if (res == EBUSY) {
	    char *warn = "Ignoring busy cond destroy. "
		"Most likely a bug in pthread implementation.";
	    erts_send_warning_to_logger_str_nogl(warn);
	}
	else
#endif
	    erts_thr_fatal_error(res, "destroy condition variable");
    }
}

ERTS_GLB_INLINE void
erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx)
{
    int res;
    ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock(&mtx->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock(&mtx->lcnt);
#endif
    res = ethr_cond_wait(cnd, &mtx->mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_lock(&mtx->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock(&mtx->lcnt);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post(&mtx->lcnt);
#endif
    if (res != 0 && res != EINTR)
	erts_thr_fatal_error(res, "wait on condition variable");
    ERTS_MSACC_POP_STATE();
}

/*
 * IMPORTANT note about erts_cnd_signal() and erts_cnd_broadcast()
 *
 * POSIX allow a call to `pthread_cond_signal' or `pthread_cond_broadcast'
 * even though the associated mutex/mutexes isn't/aren't locked by the
 * caller. Our implementation do not allow that in order to avoid a
 * performance penalty. That is, all associated mutexes *need* to be
 * locked by the caller of erts_cnd_signal()/erts_cnd_broadcast()!
 */

ERTS_GLB_INLINE void
erts_cnd_signal(erts_cnd_t *cnd)
{
    ethr_cond_signal(cnd);
}


ERTS_GLB_INLINE void
erts_cnd_broadcast(erts_cnd_t *cnd)
{
    ethr_cond_broadcast(cnd);
}

/* rwmutex */

ERTS_GLB_INLINE void
erts_rwmtx_set_reader_group(int no)
{
    int res;
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_check_no_locked_of_type(ERTS_LOCK_TYPE_RWMUTEX);
#endif
    res = ethr_rwmutex_set_reader_group(no);
    if (res != 0)
	erts_thr_fatal_error(res, "set reader group");
}

ERTS_GLB_INLINE void
erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx, erts_rwmtx_opt_t *opt,
                    char *name, Eterm extra, erts_lock_flags_t flags) {
    int res = ethr_rwmutex_init_opt(&rwmtx->rwmtx, opt);
    if (res != 0) {
        erts_thr_fatal_error(res, "initialize rwmutex");
    }

    flags |= ERTS_LOCK_TYPE_RWMUTEX;
#ifdef DEBUG
    rwmtx->flags = flags;
#endif

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_init_lock_x(&rwmtx->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_init_ref_x(&rwmtx->lcnt, name, extra, flags);
#endif
}

ERTS_GLB_INLINE void
erts_rwmtx_init(erts_rwmtx_t *rwmtx, char *name, Eterm extra,
                erts_lock_flags_t flags) {
    erts_rwmtx_init_opt(rwmtx, NULL, name, extra, flags);
}

ERTS_GLB_INLINE void
erts_rwmtx_destroy(erts_rwmtx_t *rwmtx)
{
    int res;

    ASSERT(!(rwmtx->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_destroy_lock(&rwmtx->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_uninstall(&rwmtx->lcnt);
#endif
    res = ethr_rwmutex_destroy(&rwmtx->rwmtx);
    if (res != 0) {
#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
	if (res == EBUSY) {
	    char *warn = "Ignoring busy rwmutex destroy. "
		"Most likely a bug in pthread implementation.";
	    erts_send_warning_to_logger_str_nogl(warn);
	}
	else
#endif
	    erts_thr_fatal_error(res, "destroy rwmutex");
    }
}

ERTS_GLB_INLINE int
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_rwmtx_tryrlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line)
#else
erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx)
#endif
{
    int res;

#ifdef ERTS_ENABLE_LOCK_CHECK
    if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ))
	return EBUSY; /* Make sure caller can handle the situation without
			 causing a lock order violation */
#endif

    res = ethr_rwmutex_tryrlock(&rwmtx->rwmtx);

#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
    erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTIONS_READ);
#endif
    
    return res;
}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_rwmtx_rlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line)
#else
erts_rwmtx_rlock(erts_rwmtx_t *rwmtx)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
    erts_lc_lock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
    ethr_rwmutex_rlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&rwmtx->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE void
erts_rwmtx_runlock(erts_rwmtx_t *rwmtx)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
    ethr_rwmutex_runlock(&rwmtx->rwmtx);
}


ERTS_GLB_INLINE int
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_rwmtx_tryrwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line)
#else
erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx)
#endif
{
    int res;

#ifdef ERTS_ENABLE_LOCK_CHECK
    if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR))
	return EBUSY; /* Make sure caller can handle the situation without
			 causing a lock order violation */
#endif

    res = ethr_rwmutex_tryrwlock(&rwmtx->rwmtx);

#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
    erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTIONS_RDWR);
#endif
    
    return res;
}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_rwmtx_rwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line)
#else
erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
    erts_lc_lock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
    ethr_rwmutex_rwlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&rwmtx->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE void
erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
    ethr_rwmutex_rwunlock(&rwmtx->rwmtx);
}

#if 0 /* The following rwmtx function names are
	 reserved for potential future use. */ 

/* Try upgrade from r-locked state to rw-locked state */
ERTS_GLB_INLINE int
erts_rwmtx_trywlock(erts_rwmtx_t *rwmtx)
{
    return 0;
}

/* Upgrade from r-locked state to rw-locked state */
ERTS_GLB_INLINE void
erts_rwmtx_wlock(erts_rwmtx_t *rwmtx)
{

}

/* Downgrade from rw-locked state to r-locked state */
ERTS_GLB_INLINE void
erts_rwmtx_wunlock(erts_rwmtx_t *rwmtx)
{

}

#endif

ERTS_GLB_INLINE int
erts_lc_rwmtx_is_rlocked(erts_rwmtx_t *mtx)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = mtx->lc;
    lc.flags = ERTS_LOCK_TYPE_RWMUTEX;
    lc.taken_options = ERTS_LOCK_OPTIONS_READ;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

ERTS_GLB_INLINE int
erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = mtx->lc;
    lc.flags = ERTS_LOCK_TYPE_RWMUTEX;
    lc.taken_options = ERTS_LOCK_OPTIONS_RDWR;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

/* spinlock */

ERTS_GLB_INLINE void
erts_spinlock_init(erts_spinlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
    int res = ethr_spinlock_init(&lock->slck);
    if (res) {
        erts_thr_fatal_error(res, "init spinlock");
    }

    flags |= ERTS_LOCK_TYPE_SPINLOCK;
#ifdef DEBUG
    lock->flags = flags;
#endif

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_init_lock_x(&lock->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
#endif
}

ERTS_GLB_INLINE void
erts_spinlock_destroy(erts_spinlock_t *lock)
{
    int res;

    ASSERT(!(lock->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_destroy_lock(&lock->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_uninstall(&lock->lcnt);
#endif
    res = ethr_spinlock_destroy(&lock->slck);
    if (res != 0) {
#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
	if (res == EBUSY) {
	    char *warn = "Ignoring busy spinlock destroy. "
		"Most likely a bug in pthread implementation.";
	    erts_send_warning_to_logger_str_nogl(warn);
	}
	else
#endif
	    erts_thr_fatal_error(res, "destroy rwlock");
    }
}

ERTS_GLB_INLINE void
erts_spin_unlock(erts_spinlock_t *lock)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock(&lock->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock(&lock->lcnt);
#endif
    ethr_spin_unlock(&lock->slck);
}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_spin_lock_x(erts_spinlock_t *lock, char *file, unsigned int line)
#else
erts_spin_lock(erts_spinlock_t *lock)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_x(&lock->lc,file,line);
#else
    erts_lc_lock(&lock->lc);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock(&lock->lcnt);
#endif
    ethr_spin_lock(&lock->slck);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&lock->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE int
erts_lc_spinlock_is_locked(erts_spinlock_t *lock)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = lock->lc;
    lc.flags = ERTS_LOCK_TYPE_SPINLOCK;
    lc.taken_options = 0;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

/* rwspinlock */

ERTS_GLB_INLINE void
erts_rwlock_init(erts_rwlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
    int res = ethr_rwlock_init(&lock->rwlck);
    if (res) {
        erts_thr_fatal_error(res, "init rwlock");
    }

    flags |= ERTS_LOCK_TYPE_RWSPINLOCK;
#ifdef DEBUG
    lock->flags = flags;
#endif

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_init_lock_x(&lock->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
#endif
}

ERTS_GLB_INLINE void
erts_rwlock_destroy(erts_rwlock_t *lock)
{
    int res;

    ASSERT(!(lock->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));

#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_destroy_lock(&lock->lc);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_uninstall(&lock->lcnt);
#endif
    res = ethr_rwlock_destroy(&lock->rwlck);
    if (res != 0) {
#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
	if (res == EBUSY) {
	    char *warn = "Ignoring busy rwlock destroy. "
		"Most likely a bug in pthread implementation.";
	    erts_send_warning_to_logger_str_nogl(warn);
	}
	else
#endif
	    erts_thr_fatal_error(res, "destroy rwlock");
    }
}

ERTS_GLB_INLINE void
erts_read_unlock(erts_rwlock_t *lock)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock_flg(&lock->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
    ethr_read_unlock(&lock->rwlck);
}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_read_lock_x(erts_rwlock_t *lock, char *file, unsigned int line)
#else
erts_read_lock(erts_rwlock_t *lock)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_flg_x(&lock->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
    erts_lc_lock_flg(&lock->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
    ethr_read_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&lock->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE void
erts_write_unlock(erts_rwlock_t *lock)
{
#ifdef ERTS_ENABLE_LOCK_CHECK
    erts_lc_unlock_flg(&lock->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
    ethr_write_unlock(&lock->rwlck);
}

ERTS_GLB_INLINE void
#ifdef ERTS_ENABLE_LOCK_POSITION
erts_write_lock_x(erts_rwlock_t *lock, char *file, unsigned int line)
#else
erts_write_lock(erts_rwlock_t *lock)
#endif
{
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
    erts_lc_lock_flg_x(&lock->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
    erts_lc_lock_flg(&lock->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
    ethr_write_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
    erts_lcnt_lock_post_x(&lock->lcnt, file, line);
#endif
}

ERTS_GLB_INLINE int
erts_lc_rwlock_is_rlocked(erts_rwlock_t *lock)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = lock->lc;
    lc.flags = ERTS_LOCK_TYPE_RWSPINLOCK;
    lc.taken_options = ERTS_LOCK_OPTIONS_READ;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

ERTS_GLB_INLINE int
erts_lc_rwlock_is_rwlocked(erts_rwlock_t *lock)
{
#if defined(ERTS_ENABLE_LOCK_CHECK)
    int res;
    erts_lc_lock_t lc = lock->lc;
    lc.flags = ERTS_LOCK_TYPE_RWSPINLOCK;
    lc.taken_options = ERTS_LOCK_OPTIONS_RDWR;
    erts_lc_have_locks(&res, &lc, 1);
    return res;
#else
    return 0;
#endif
}

ERTS_GLB_INLINE void
erts_tsd_key_create(erts_tsd_key_t *keyp, char *keyname)
{
    int res = ethr_tsd_key_create(keyp, keyname);
    if (res)
	erts_thr_fatal_error(res, "create thread specific data key");
}

ERTS_GLB_INLINE void
erts_tsd_key_delete(erts_tsd_key_t key)
{
    int res = ethr_tsd_key_delete(key);
    if (res)
	erts_thr_fatal_error(res, "delete thread specific data key");
}

ERTS_GLB_INLINE void
erts_tsd_set(erts_tsd_key_t key, void *value)
{
    int res = ethr_tsd_set(key, value);
    if (res)
	erts_thr_fatal_error(res, "set thread specific data");
}

ERTS_GLB_INLINE void *
erts_tsd_get(erts_tsd_key_t key)
{
    return ethr_tsd_get(key);
}

ERTS_GLB_INLINE erts_tse_t *erts_tse_fetch(void)
{
    return (erts_tse_t *) ethr_get_ts_event();
}

ERTS_GLB_INLINE void erts_tse_return(erts_tse_t *ep)
{
    ethr_leave_ts_event(ep);
}

ERTS_GLB_INLINE void erts_tse_prepare_timed(erts_tse_t *ep)
{
    int res = ethr_event_prepare_timed(&((ethr_ts_event *) ep)->event);
    if (res != 0)
	erts_thr_fatal_error(res, "prepare timed");
}

ERTS_GLB_INLINE void erts_tse_set(erts_tse_t *ep)
{
    ethr_event_set(&((ethr_ts_event *) ep)->event);
}

ERTS_GLB_INLINE void erts_tse_reset(erts_tse_t *ep)
{
    ethr_event_reset(&((ethr_ts_event *) ep)->event);
}

ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep)
{
    int res;
    ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
    res = ethr_event_wait(&((ethr_ts_event *) ep)->event);
    ERTS_MSACC_POP_STATE();
    return res;
}

ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount)
{
    int res;
    ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
    res = ethr_event_swait(&((ethr_ts_event *) ep)->event, spincount);
    ERTS_MSACC_POP_STATE();
    return res;
}

ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo)
{
    int res;
    ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
    res = ethr_event_twait(&((ethr_ts_event *) ep)->event,
                           (ethr_sint64_t) tmo);
    ERTS_MSACC_POP_STATE();
    return res;
}

ERTS_GLB_INLINE int erts_tse_stwait(erts_tse_t *ep, int spincount, Sint64 tmo)
{
    int res;
    ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
    res = ethr_event_stwait(&((ethr_ts_event *) ep)->event,
                            spincount,
                            (ethr_sint64_t) tmo);
    ERTS_MSACC_POP_STATE();
    return res;
}

ERTS_GLB_INLINE int erts_tse_is_tmp(erts_tse_t *ep)
{
    return (ep->iflgs & ETHR_TS_EV_TMP) == ETHR_TS_EV_TMP;
}

ERTS_GLB_INLINE void erts_thr_set_main_status(int on, int no)
{
    int res = ethr_set_main_thr_status(on, no);
    if (res != 0)
	erts_thr_fatal_error(res, "set thread main status");
}

ERTS_GLB_INLINE int erts_thr_get_main_status(void)
{
    int main_status;
    int res = ethr_get_main_thr_status(&main_status);
    if (res != 0)
	erts_thr_fatal_error(res, "get thread main status");
    return main_status;
}

ERTS_GLB_INLINE void erts_thr_yield(void)
{
    int res = ETHR_YIELD();
    if (res != 0)
	erts_thr_fatal_error(res, "yield");
}


#ifdef ETHR_HAVE_ETHR_SIG_FUNCS

ERTS_GLB_INLINE void
erts_thr_kill(erts_tid_t tid, int sig) {
  int res = ethr_kill((ethr_tid)tid, sig);
  if (res)
    erts_thr_fatal_error(res, "killing thread");
}

ERTS_GLB_INLINE void
erts_thr_sigmask(int how, const sigset_t *set, sigset_t *oset)
{
    int res = ethr_sigmask(how, set, oset);
    if (res)
	erts_thr_fatal_error(res, "get or set signal mask");
}

ERTS_GLB_INLINE void
erts_thr_sigwait(const sigset_t *set, int *sig)
{
    int res;
    do {
	res = ethr_sigwait(set, sig);
    } while (res == EINTR);
    if (res)
	erts_thr_fatal_error(res, "to wait for signal");
}

#endif /* #ifdef HAVE_ETHR_SIG_FUNCS */

#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */

#endif /* #ifndef ERL_THREAD_H__ */