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-rw-r--r--erts/emulator/beam/sys.h420
1 files changed, 100 insertions, 320 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index e64c43de6e..41389c8734 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2011. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2012. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -103,6 +103,15 @@ typedef ERTS_SYS_FD_TYPE ErtsSysFdType;
# define ERTS_LIKELY(BOOL) (BOOL)
# define ERTS_UNLIKELY(BOOL) (BOOL)
#endif
+#ifdef __GNUC__
+# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 5)
+# define ERTS_DECLARE_DUMMY(X) X __attribute__ ((unused))
+# else
+# define ERTS_DECLARE_DUMMY(X) X
+# endif
+#else
+# define ERTS_DECLARE_DUMMY(X) X
+#endif
#if defined(DEBUG) || defined(ERTS_ENABLE_LOCK_CHECK)
# undef ERTS_CAN_INLINE
@@ -212,7 +221,8 @@ int real_printf(const char *fmt, ...);
*/
#if !((SIZEOF_VOID_P >= 4) && (SIZEOF_VOID_P == SIZEOF_SIZE_T) \
- && ((SIZEOF_VOID_P == SIZEOF_INT) || (SIZEOF_VOID_P == SIZEOF_LONG)))
+ && ((SIZEOF_VOID_P == SIZEOF_INT) || (SIZEOF_VOID_P == SIZEOF_LONG) || \
+ (SIZEOF_VOID_P == SIZEOF_LONG_LONG)))
#error Cannot handle this combination of int/long/void*/size_t sizes
#endif
@@ -246,6 +256,7 @@ typedef unsigned int Eterm;
typedef unsigned int Uint;
typedef int Sint;
#define ERTS_SIZEOF_ETERM SIZEOF_INT
+#define ErtsStrToSint strtol
#else
#error Found no appropriate type to use for 'Eterm', 'Uint' and 'Sint'
#endif
@@ -253,9 +264,18 @@ typedef int Sint;
#if SIZEOF_VOID_P == SIZEOF_LONG
typedef unsigned long UWord;
typedef long SWord;
+#define SWORD_CONSTANT(Const) Const##L
+#define UWORD_CONSTANT(Const) Const##UL
#elif SIZEOF_VOID_P == SIZEOF_INT
typedef unsigned int UWord;
typedef int SWord;
+#define SWORD_CONSTANT(Const) Const
+#define UWORD_CONSTANT(Const) Const##U
+#elif SIZEOF_VOID_P == SIZEOF_LONG_LONG
+typedef unsigned long long UWord;
+typedef long long SWord;
+#define SWORD_CONSTANT(Const) Const##LL
+#define UWORD_CONSTANT(Const) Const##ULL
#else
#error Found no appropriate type to use for 'Eterm', 'Uint' and 'Sint'
#endif
@@ -266,12 +286,30 @@ typedef int SWord;
typedef unsigned long Eterm;
typedef unsigned long Uint;
typedef long Sint;
+#define SWORD_CONSTANT(Const) Const##L
+#define UWORD_CONSTANT(Const) Const##UL
#define ERTS_SIZEOF_ETERM SIZEOF_LONG
+#define ErtsStrToSint strtol
#elif SIZEOF_VOID_P == SIZEOF_INT
typedef unsigned int Eterm;
typedef unsigned int Uint;
typedef int Sint;
+#define SWORD_CONSTANT(Const) Const
+#define UWORD_CONSTANT(Const) Const##U
#define ERTS_SIZEOF_ETERM SIZEOF_INT
+#define ErtsStrToSint strtol
+#elif SIZEOF_VOID_P == SIZEOF_LONG_LONG
+typedef unsigned long long Eterm;
+typedef unsigned long long Uint;
+typedef long long Sint;
+#define SWORD_CONSTANT(Const) Const##LL
+#define UWORD_CONSTANT(Const) Const##ULL
+#define ERTS_SIZEOF_ETERM SIZEOF_LONG_LONG
+#if defined(__WIN32__)
+#define ErtsStrToSint _strtoi64
+#else
+#define ErtsStrToSint strtoll
+#endif
#else
#error Found no appropriate type to use for 'Eterm', 'Uint' and 'Sint'
#endif
@@ -340,7 +378,8 @@ int erts_send_warning_to_logger_str_nogl(char *);
#ifdef ERTS_WANT_BREAK_HANDLING
# ifdef ERTS_SMP
extern erts_smp_atomic32_t erts_break_requested;
-# define ERTS_BREAK_REQUESTED ((int) erts_smp_atomic32_read(&erts_break_requested))
+# define ERTS_BREAK_REQUESTED \
+ ((int) erts_smp_atomic32_read_nob(&erts_break_requested))
# else
extern volatile int erts_break_requested;
# define ERTS_BREAK_REQUESTED erts_break_requested
@@ -354,7 +393,7 @@ void erts_do_break_handling(void);
# else
# ifdef ERTS_SMP
extern erts_smp_atomic32_t erts_got_sigusr1;
-# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read(&erts_got_sigusr1))
+# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read_mb(&erts_got_sigusr1))
# else
extern volatile int erts_got_sigusr1;
# define ERTS_GOT_SIGUSR1 erts_got_sigusr1
@@ -363,11 +402,15 @@ extern volatile int erts_got_sigusr1;
#endif
#ifdef ERTS_SMP
-extern erts_smp_atomic_t erts_writing_erl_crash_dump;
+extern erts_smp_atomic32_t erts_writing_erl_crash_dump;
+extern erts_tsd_key_t erts_is_crash_dumping_key;
+#define ERTS_SOMEONE_IS_CRASH_DUMPING \
+ ((int) erts_smp_atomic32_read_mb(&erts_writing_erl_crash_dump))
#define ERTS_IS_CRASH_DUMPING \
- ((int) erts_smp_atomic_read(&erts_writing_erl_crash_dump))
+ ((int) (SWord) erts_tsd_get(erts_is_crash_dumping_key))
#else
extern volatile int erts_writing_erl_crash_dump;
+#define ERTS_SOMEONE_IS_CRASH_DUMPING erts_writing_erl_crash_dump
#define ERTS_IS_CRASH_DUMPING erts_writing_erl_crash_dump
#endif
@@ -468,16 +511,7 @@ __decl_noreturn void __noreturn erl_exit(int n, char*, ...);
/* Some special erl_exit() codes: */
#define ERTS_INTR_EXIT INT_MIN /* called from signal handler */
#define ERTS_ABORT_EXIT (INT_MIN + 1) /* no crash dump; only abort() */
-#define ERTS_DUMP_EXIT (127) /* crash dump; then exit() */
-
-
-#ifndef ERTS_SMP
-int check_async_ready(void);
-#ifdef USE_THREADS
-void sys_async_ready(int hndl);
-int erts_register_async_ready_callback(void (*funcp)(void));
-#endif
-#endif
+#define ERTS_DUMP_EXIT (INT_MIN + 2) /* crash dump; then exit() */
Eterm erts_check_io_info(void *p);
@@ -610,17 +644,15 @@ extern char *erts_sys_ddll_error(int code);
/*
* System interfaces for startup.
*/
+#include "erl_time.h"
-
-#ifdef ERTS_SMP
void erts_sys_schedule_interrupt(int set);
-void erts_sys_schedule_interrupt_timed(int set, long msec);
+#ifdef ERTS_SMP
+void erts_sys_schedule_interrupt_timed(int set, erts_short_time_t msec);
void erts_sys_main_thread(void);
-#else
-#define erts_sys_schedule_interrupt(Set)
#endif
-extern void erts_sys_prepare_crash_dump(void);
+extern int erts_sys_prepare_crash_dump(int secs);
extern void erts_sys_pre_init(void);
extern void erl_sys_init(void);
extern void erl_sys_args(int *argc, char **argv);
@@ -633,17 +665,24 @@ Preload* sys_preloaded(void);
unsigned char* sys_preload_begin(Preload*);
void sys_preload_end(Preload*);
int sys_get_key(int);
-void elapsed_time_both(unsigned long *ms_user, unsigned long *ms_sys,
- unsigned long *ms_user_diff, unsigned long *ms_sys_diff);
-void wall_clock_elapsed_time_both(unsigned long *ms_total,
- unsigned long *ms_diff);
+void elapsed_time_both(UWord *ms_user, UWord *ms_sys,
+ UWord *ms_user_diff, UWord *ms_sys_diff);
+void wall_clock_elapsed_time_both(UWord *ms_total,
+ UWord *ms_diff);
void get_time(int *hour, int *minute, int *second);
void get_date(int *year, int *month, int *day);
void get_localtime(int *year, int *month, int *day,
int *hour, int *minute, int *second);
void get_universaltime(int *year, int *month, int *day,
int *hour, int *minute, int *second);
-int univ_to_local(Sint *year, Sint *month, Sint *day,
+int seconds_to_univ(Sint64 seconds,
+ Sint *year, Sint *month, Sint *day,
+ Sint *hour, Sint *minute, Sint *second);
+int univ_to_seconds(Sint year, Sint month, Sint day,
+ Sint hour, Sint minute, Sint second,
+ Sint64* seconds);
+int univ_to_local(
+ Sint *year, Sint *month, Sint *day,
Sint *hour, Sint *minute, Sint *second);
int local_to_univ(Sint *year, Sint *month, Sint *day,
Sint *hour, Sint *minute, Sint *second, int isdst);
@@ -664,16 +703,21 @@ int sys_double_to_chars(double, char*);
void sys_get_pid(char *);
/* erts_sys_putenv() returns, 0 on success and a value != 0 on failure. */
-int erts_sys_putenv(char *key_value, int sep_ix);
+int erts_sys_putenv(char *key, char *value);
+/* Simple variant used from drivers, raw eightbit interface */
+int erts_sys_putenv_raw(char *key, char *value);
/* erts_sys_getenv() returns 0 on success (length of value string in
*size), a value > 0 if value buffer is too small (*size is set to needed
size), and a value < 0 on failure. */
int erts_sys_getenv(char *key, char *value, size_t *size);
+/* Simple variant used from drivers, raw eightbit interface */
+int erts_sys_getenv_raw(char *key, char *value, size_t *size);
+/* erts_sys_getenv__() is only allowed to be used in early init phase */
+int erts_sys_getenv__(char *key, char *value, size_t *size);
/* Easier to use, but not as efficient, environment functions */
char *erts_read_env(char *key);
void erts_free_read_env(void *value);
-int erts_write_env(char *key, char *value);
/* utils.c */
@@ -692,291 +736,14 @@ int erts_write_env(char *key, char *value);
int sys_alloc_opt(int, int);
typedef struct {
- Sint trim_threshold;
- Sint top_pad;
- Sint mmap_threshold;
- Sint mmap_max;
+ int trim_threshold;
+ int top_pad;
+ int mmap_threshold;
+ int mmap_max;
} SysAllocStat;
void sys_alloc_stat(SysAllocStat *);
-/* Block the whole system... */
-
-#define ERTS_BS_FLG_ALLOW_GC (((Uint32) 1) << 0)
-#define ERTS_BS_FLG_ALLOW_IO (((Uint32) 1) << 1)
-
-/* Activities... */
-typedef enum {
- ERTS_ACTIVITY_UNDEFINED, /* Undefined activity */
- ERTS_ACTIVITY_WAIT, /* Waiting */
- ERTS_ACTIVITY_GC, /* Garbage collecting */
- ERTS_ACTIVITY_IO /* I/O including message passing to erl procs */
-} erts_activity_t;
-
-#ifdef ERTS_SMP
-
-typedef enum {
- ERTS_ACT_ERR_LEAVE_WAIT_UNLOCKED,
- ERTS_ACT_ERR_LEAVE_UNKNOWN_ACTIVITY,
- ERTS_ACT_ERR_ENTER_UNKNOWN_ACTIVITY
-} erts_activity_error_t;
-
-typedef struct {
- erts_smp_atomic32_t do_block;
- struct {
- erts_smp_atomic32_t wait;
- erts_smp_atomic32_t gc;
- erts_smp_atomic32_t io;
- } in_activity;
-} erts_system_block_state_t;
-
-extern erts_system_block_state_t erts_system_block_state;
-
-int erts_is_system_blocked(erts_activity_t allowed_activities);
-void erts_block_me(void (*prepare)(void *), void (*resume)(void *), void *arg);
-void erts_register_blockable_thread(void);
-void erts_unregister_blockable_thread(void);
-void erts_note_activity_begin(erts_activity_t activity);
-void
-erts_check_block(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg);
-void erts_block_system(Uint32 allowed_activities);
-int erts_emergency_block_system(long timeout, Uint32 allowed_activities);
-void erts_release_system(void);
-void erts_system_block_init(void);
-void erts_set_activity_error(erts_activity_error_t, char *, int);
-#ifdef ERTS_ENABLE_LOCK_CHECK
-void erts_lc_activity_change_begin(void);
-void erts_lc_activity_change_end(void);
-int erts_lc_is_blocking(void);
-#define ERTS_LC_IS_BLOCKING \
- (erts_smp_pending_system_block() && erts_lc_is_blocking())
-#endif
-#endif
-
-#define erts_smp_activity_begin(NACT, PRP, RSM, ARG) \
- erts_smp_set_activity(ERTS_ACTIVITY_UNDEFINED, \
- (NACT), \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-#define erts_smp_activity_change(OACT, NACT, PRP, RSM, ARG) \
- erts_smp_set_activity((OACT), \
- (NACT), \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-#define erts_smp_activity_end(OACT, PRP, RSM, ARG) \
- erts_smp_set_activity((OACT), \
- ERTS_ACTIVITY_UNDEFINED, \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-
-#define erts_smp_locked_activity_begin(NACT) \
- erts_smp_set_activity(ERTS_ACTIVITY_UNDEFINED, \
- (NACT), \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-#define erts_smp_locked_activity_change(OACT, NACT) \
- erts_smp_set_activity((OACT), \
- (NACT), \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-#define erts_smp_locked_activity_end(OACT) \
- erts_smp_set_activity((OACT), \
- ERTS_ACTIVITY_UNDEFINED, \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-
-
-ERTS_GLB_INLINE int erts_smp_is_system_blocked(erts_activity_t allowed_activities);
-ERTS_GLB_INLINE void erts_smp_block_system(Uint32 allowed_activities);
-ERTS_GLB_INLINE int erts_smp_emergency_block_system(long timeout,
- Uint32 allowed_activities);
-ERTS_GLB_INLINE void erts_smp_release_system(void);
-ERTS_GLB_INLINE int erts_smp_pending_system_block(void);
-ERTS_GLB_INLINE void erts_smp_chk_system_block(void (*prepare)(void *),
- void (*resume)(void *),
- void *arg);
-ERTS_GLB_INLINE void
-erts_smp_set_activity(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg,
- char *file,
- int line);
-
-#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-
-
-ERTS_GLB_INLINE int
-erts_smp_is_system_blocked(erts_activity_t allowed_activities)
-{
-#ifdef ERTS_SMP
- return erts_is_system_blocked(allowed_activities);
-#else
- return 1;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_block_system(Uint32 allowed_activities)
-{
-#ifdef ERTS_SMP
- erts_block_system(allowed_activities);
-#endif
-}
-
-ERTS_GLB_INLINE int
-erts_smp_emergency_block_system(long timeout, Uint32 allowed_activities)
-{
-#ifdef ERTS_SMP
- return erts_emergency_block_system(timeout, allowed_activities);
-#else
- return 0;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_release_system(void)
-{
-#ifdef ERTS_SMP
- erts_release_system();
-#endif
-}
-
-ERTS_GLB_INLINE int
-erts_smp_pending_system_block(void)
-{
-#ifdef ERTS_SMP
- return (int) erts_smp_atomic32_read(&erts_system_block_state.do_block);
-#else
- return 0;
-#endif
-}
-
-
-ERTS_GLB_INLINE void
-erts_smp_chk_system_block(void (*prepare)(void *),
- void (*resume)(void *),
- void *arg)
-{
-#ifdef ERTS_SMP
- if (erts_smp_pending_system_block())
- erts_block_me(prepare, resume, arg);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_set_activity(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg,
- char *file,
- int line)
-{
-#ifdef ERTS_SMP
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_activity_change_begin();
-#endif
- switch (old_activity) {
- case ERTS_ACTIVITY_UNDEFINED:
- break;
- case ERTS_ACTIVITY_WAIT:
- erts_smp_atomic32_dec(&erts_system_block_state.in_activity.wait);
- if (locked) {
- /* You are not allowed to leave activity waiting
- * without supplying the possibility to block
- * unlocked.
- */
- erts_set_activity_error(ERTS_ACT_ERR_LEAVE_WAIT_UNLOCKED,
- file, line);
- }
- break;
- case ERTS_ACTIVITY_GC:
- erts_smp_atomic32_dec(&erts_system_block_state.in_activity.gc);
- break;
- case ERTS_ACTIVITY_IO:
- erts_smp_atomic32_dec(&erts_system_block_state.in_activity.io);
- break;
- default:
- erts_set_activity_error(ERTS_ACT_ERR_LEAVE_UNKNOWN_ACTIVITY,
- file, line);
- break;
- }
-
- /* We are not allowed to block when going to activity waiting... */
- if (new_activity != ERTS_ACTIVITY_WAIT && erts_smp_pending_system_block())
- erts_check_block(old_activity,new_activity,locked,prepare,resume,arg);
-
- switch (new_activity) {
- case ERTS_ACTIVITY_UNDEFINED:
- break;
- case ERTS_ACTIVITY_WAIT:
- erts_smp_atomic32_inc(&erts_system_block_state.in_activity.wait);
- break;
- case ERTS_ACTIVITY_GC:
- erts_smp_atomic32_inc(&erts_system_block_state.in_activity.gc);
- break;
- case ERTS_ACTIVITY_IO:
- erts_smp_atomic32_inc(&erts_system_block_state.in_activity.io);
- break;
- default:
- erts_set_activity_error(ERTS_ACT_ERR_ENTER_UNKNOWN_ACTIVITY,
- file, line);
- break;
- }
-
- switch (new_activity) {
- case ERTS_ACTIVITY_WAIT:
- case ERTS_ACTIVITY_GC:
- case ERTS_ACTIVITY_IO:
- if (erts_smp_pending_system_block())
- erts_note_activity_begin(new_activity);
- break;
- default:
- break;
- }
-
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_activity_change_end();
-#endif
-
-#endif
-}
-
-#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
-
#if defined(DEBUG) || defined(ERTS_ENABLE_LOCK_CHECK)
#undef ERTS_REFC_DEBUG
#define ERTS_REFC_DEBUG
@@ -1001,27 +768,27 @@ ERTS_GLB_INLINE erts_aint_t erts_refc_read(erts_refc_t *refcp,
ERTS_GLB_INLINE void
erts_refc_init(erts_refc_t *refcp, erts_aint_t val)
{
- erts_smp_atomic_init((erts_smp_atomic_t *) refcp, val);
+ erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val);
}
ERTS_GLB_INLINE void
erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val)
{
#ifdef ERTS_REFC_DEBUG
- erts_aint_t val = erts_smp_atomic_inctest((erts_smp_atomic_t *) refcp);
+ erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp);
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
"erts_refc_inc(): Bad refc found (refc=%ld < %ld)!\n",
val, min_val);
#else
- erts_smp_atomic_inc((erts_smp_atomic_t *) refcp);
+ erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp);
#endif
}
ERTS_GLB_INLINE erts_aint_t
erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val)
{
- erts_aint_t val = erts_smp_atomic_inctest((erts_smp_atomic_t *) refcp);
+ erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp);
#ifdef ERTS_REFC_DEBUG
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
@@ -1035,20 +802,20 @@ ERTS_GLB_INLINE void
erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val)
{
#ifdef ERTS_REFC_DEBUG
- erts_aint_t val = erts_smp_atomic_dectest((erts_smp_atomic_t *) refcp);
+ erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp);
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
"erts_refc_dec(): Bad refc found (refc=%ld < %ld)!\n",
val, min_val);
#else
- erts_smp_atomic_dec((erts_smp_atomic_t *) refcp);
+ erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp);
#endif
}
ERTS_GLB_INLINE erts_aint_t
erts_refc_dectest(erts_refc_t *refcp, erts_aint_t min_val)
{
- erts_aint_t val = erts_smp_atomic_dectest((erts_smp_atomic_t *) refcp);
+ erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp);
#ifdef ERTS_REFC_DEBUG
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
@@ -1062,20 +829,20 @@ ERTS_GLB_INLINE void
erts_refc_add(erts_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val)
{
#ifdef ERTS_REFC_DEBUG
- erts_aint_t val = erts_smp_atomic_addtest((erts_smp_atomic_t *) refcp, diff);
+ erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff);
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
"erts_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n",
diff, val, min_val);
#else
- erts_smp_atomic_add((erts_smp_atomic_t *) refcp, diff);
+ erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff);
#endif
}
ERTS_GLB_INLINE erts_aint_t
erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val)
{
- erts_aint_t val = erts_smp_atomic_read((erts_smp_atomic_t *) refcp);
+ erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp);
#ifdef ERTS_REFC_DEBUG
if (val < min_val)
erl_exit(ERTS_ABORT_EXIT,
@@ -1241,6 +1008,19 @@ void erl_bin_write(unsigned char *, int, int);
#endif
+#ifdef __WIN32__
+#ifdef ARCH_64
+#define ERTS_ALLOC_ALIGN_BYTES 16
+#define ERTS_SMALL_ABS(Small) _abs64(Small)
+#else
+#define ERTS_ALLOC_ALIGN_BYTES 8
+#define ERTS_SMALL_ABS(Small) labs(Small)
+#endif
+#else
+#define ERTS_ALLOC_ALIGN_BYTES 8
+#define ERTS_SMALL_ABS(Small) labs(Small)
+#endif
+
#ifdef __WIN32__