diff options
Diffstat (limited to 'erts/include/internal/libatomic_ops/ethr_atomic.h')
-rw-r--r-- | erts/include/internal/libatomic_ops/ethr_atomic.h | 97 |
1 files changed, 51 insertions, 46 deletions
diff --git a/erts/include/internal/libatomic_ops/ethr_atomic.h b/erts/include/internal/libatomic_ops/ethr_atomic.h index a6eb43a0bd..7def51ebd1 100644 --- a/erts/include/internal/libatomic_ops/ethr_atomic.h +++ b/erts/include/internal/libatomic_ops/ethr_atomic.h @@ -46,8 +46,7 @@ * - AO_store() * - AO_compare_and_swap() * - * The `AO_t' type also have to be at least as large as - * `void *' and `long' types. + * The `AO_t' type also have to be at least as large as the `void *' type. */ #if ETHR_SIZEOF_AO_T < ETHR_SIZEOF_PTR @@ -78,49 +77,49 @@ typedef struct { #if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__) static ETHR_INLINE void -ethr_native_atomic_set(ethr_native_atomic_t *var, long value) +ethr_native_atomic_set(ethr_native_atomic_t *var, ethr_sint_t value) { AO_store(&var->counter, (AO_t) value); } static ETHR_INLINE void -ethr_native_atomic_init(ethr_native_atomic_t *var, long value) +ethr_native_atomic_init(ethr_native_atomic_t *var, ethr_sint_t value) { ethr_native_atomic_set(var, value); } -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_read(ethr_native_atomic_t *var) { - return (long) AO_load(&var->counter); + return (ethr_sint_t) AO_load(&var->counter); } -static ETHR_INLINE long -ethr_native_atomic_add_return(ethr_native_atomic_t *var, long incr) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_add_return(ethr_native_atomic_t *var, ethr_sint_t incr) { #ifdef AO_HAVE_fetch_and_add - return ((long) AO_fetch_and_add(&var->counter, (AO_t) incr)) + incr; + return ((ethr_sint_t) AO_fetch_and_add(&var->counter, (AO_t) incr)) + incr; #else while (1) { AO_t exp = AO_load(&var->counter); AO_t new = exp + (AO_t) incr; if (AO_compare_and_swap(&var->counter, exp, new)) - return (long) new; + return (ethr_sint_t) new; } #endif } static ETHR_INLINE void -ethr_native_atomic_add(ethr_native_atomic_t *var, long incr) +ethr_native_atomic_add(ethr_native_atomic_t *var, ethr_sint_t incr) { (void) ethr_native_atomic_add_return(var, incr); } -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_inc_return(ethr_native_atomic_t *var) { #ifdef AO_HAVE_fetch_and_add1 - return ((long) AO_fetch_and_add1(&var->counter)) + 1; + return ((ethr_sint_t) AO_fetch_and_add1(&var->counter)) + 1; #else return ethr_native_atomic_add_return(var, 1); #endif @@ -132,11 +131,11 @@ ethr_native_atomic_inc(ethr_native_atomic_t *var) (void) ethr_native_atomic_inc_return(var); } -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_dec_return(ethr_native_atomic_t *var) { #ifdef AO_HAVE_fetch_and_sub1 - return ((long) AO_fetch_and_sub1(&var->counter)) - 1; + return ((ethr_sint_t) AO_fetch_and_sub1(&var->counter)) - 1; #else return ethr_native_atomic_add_return(var, -1); #endif @@ -148,47 +147,49 @@ ethr_native_atomic_dec(ethr_native_atomic_t *var) (void) ethr_native_atomic_dec_return(var); } -static ETHR_INLINE long -ethr_native_atomic_and_retold(ethr_native_atomic_t *var, long mask) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_and_retold(ethr_native_atomic_t *var, ethr_sint_t mask) { while (1) { AO_t exp = AO_load(&var->counter); AO_t new = exp & ((AO_t) mask); if (AO_compare_and_swap(&var->counter, exp, new)) - return (long) exp; + return (ethr_sint_t) exp; } } -static ETHR_INLINE long -ethr_native_atomic_or_retold(ethr_native_atomic_t *var, long mask) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_or_retold(ethr_native_atomic_t *var, ethr_sint_t mask) { while (1) { AO_t exp = AO_load(&var->counter); AO_t new = exp | ((AO_t) mask); if (AO_compare_and_swap(&var->counter, exp, new)) - return (long) exp; + return (ethr_sint_t) exp; } } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg(ethr_native_atomic_t *var, long new, long exp) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_cmpxchg(ethr_native_atomic_t *var, + ethr_sint_t new, + ethr_sint_t exp) { - long act; + ethr_sint_t act; do { if (AO_compare_and_swap(&var->counter, (AO_t) exp, (AO_t) new)) return exp; - act = (long) AO_load(&var->counter); + act = (ethr_sint_t) AO_load(&var->counter); } while (act == exp); return act; } -static ETHR_INLINE long -ethr_native_atomic_xchg(ethr_native_atomic_t *var, long new) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_xchg(ethr_native_atomic_t *var, ethr_sint_t new) { while (1) { AO_t exp = AO_load(&var->counter); if (AO_compare_and_swap(&var->counter, exp, (AO_t) new)) - return (long) exp; + return (ethr_sint_t) exp; } } @@ -196,32 +197,32 @@ ethr_native_atomic_xchg(ethr_native_atomic_t *var, long new) * Atomic ops with at least specified barriers. */ -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_read_acqb(ethr_native_atomic_t *var) { #ifdef AO_HAVE_load_acquire - return (long) AO_load_acquire(&var->counter); + return (ethr_sint_t) AO_load_acquire(&var->counter); #else - long res = ethr_native_atomic_read(var); + ethr_sint_t res = ethr_native_atomic_read(var); ETHR_MEMORY_BARRIER; return res; #endif } -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_inc_return_acqb(ethr_native_atomic_t *var) { #ifdef AO_HAVE_fetch_and_add1_acquire - return ((long) AO_fetch_and_add1_acquire(&var->counter)) + 1; + return ((ethr_sint_t) AO_fetch_and_add1_acquire(&var->counter)) + 1; #else - long res = ethr_native_atomic_add_return(var, 1); + ethr_sint_t res = ethr_native_atomic_add_return(var, 1); ETHR_MEMORY_BARRIER; return res; #endif } static ETHR_INLINE void -ethr_native_atomic_set_relb(ethr_native_atomic_t *var, long value) +ethr_native_atomic_set_relb(ethr_native_atomic_t *var, ethr_sint_t value) { #ifdef AO_HAVE_store_release AO_store_release(&var->counter, (AO_t) value); @@ -231,11 +232,11 @@ ethr_native_atomic_set_relb(ethr_native_atomic_t *var, long value) #endif } -static ETHR_INLINE long +static ETHR_INLINE ethr_sint_t ethr_native_atomic_dec_return_relb(ethr_native_atomic_t *var) { #ifdef AO_HAVE_fetch_and_sub1_release - return ((long) AO_fetch_and_sub1_release(&var->counter)) - 1; + return ((ethr_sint_t) AO_fetch_and_sub1_release(&var->counter)) - 1; #else ETHR_MEMORY_BARRIER; return ethr_native_atomic_dec_return(var); @@ -248,34 +249,38 @@ ethr_native_atomic_dec_relb(ethr_native_atomic_t *var) (void) ethr_native_atomic_dec_return_relb(var); } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg_acqb(ethr_native_atomic_t *var, long new, long exp) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_cmpxchg_acqb(ethr_native_atomic_t *var, + ethr_sint_t new, + ethr_sint_t exp) { #ifdef AO_HAVE_compare_and_swap_acquire - long act; + ethr_sint_t act; do { if (AO_compare_and_swap_acquire(&var->counter, (AO_t) exp, (AO_t) new)) return exp; - act = (long) AO_load(&var->counter); + act = (ethr_sint_t) AO_load(&var->counter); } while (act == exp); AO_nop_full(); return act; #else - long act = ethr_native_atomic_cmpxchg(var, new, exp); + ethr_sint_t act = ethr_native_atomic_cmpxchg(var, new, exp); ETHR_MEMORY_BARRIER; return act; #endif } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg_relb(ethr_native_atomic_t *var, long new, long exp) +static ETHR_INLINE ethr_sint_t +ethr_native_atomic_cmpxchg_relb(ethr_native_atomic_t *var, + ethr_sint_t new, + ethr_sint_t exp) { #ifdef AO_HAVE_compare_and_swap_release - long act; + ethr_sint_t act; do { if (AO_compare_and_swap_release(&var->counter, (AO_t) exp, (AO_t) new)) return exp; - act = (long) AO_load(&var->counter); + act = (ethr_sint_t) AO_load(&var->counter); } while (act == exp); return act; #else |