C++ (Cpp) __atomic_and_fetch Beispiele

Beispiel #1

Datei: atomic-op-1.c Projekt: ChaosJohn/gcc

void
test_and ()
{
  v = init;

  __atomic_and_fetch (&v, 0, __ATOMIC_RELAXED);
  if (v != 0)
    abort ();

  v = init;
  __atomic_fetch_and (&v, init, __ATOMIC_CONSUME);
  if (v != init)
    abort ();

  __atomic_and_fetch (&v, 0, __ATOMIC_ACQUIRE);
  if (v != 0)
    abort ();

  v = ~v;
  __atomic_fetch_and (&v, init, __ATOMIC_RELEASE);
  if (v != init)
    abort ();

  __atomic_and_fetch (&v, 0, __ATOMIC_ACQ_REL);
  if (v != 0)
    abort ();

  v = ~v;
  __atomic_fetch_and (&v, 0, __ATOMIC_SEQ_CST);
  if (v != 0)
    abort ();
}

Beispiel #2

Datei: atomic-fetch-bool.c Projekt: 0day-ci/gcc

void test_atomic_bool (_Atomic _Bool *a)
{
  enum { SEQ_CST = __ATOMIC_SEQ_CST };
  
  __atomic_fetch_add (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_add." } */
  __atomic_fetch_sub (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_sub." } */
  __atomic_fetch_and (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_and." } */
  __atomic_fetch_xor (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_xor." } */
  __atomic_fetch_or (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_or." } */
  __atomic_fetch_nand (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_fetch_nand." } */

  __atomic_add_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_add_fetch." } */
  __atomic_sub_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_sub_fetch." } */
  __atomic_and_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_and_fetch." } */
  __atomic_xor_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_xor_fetch." } */
  __atomic_or_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_or_fetch." } */
  __atomic_nand_fetch (a, 1, SEQ_CST);   /* { dg-error "operand type ._Atomic _Bool \\*. is incompatible with argument 1 of .__atomic_nand_fetch." } */

  /* The following are valid and must be accepted.  */
  _Bool val = 0, ret = 0;
  __atomic_exchange (a, &val, &ret, SEQ_CST);
  __atomic_exchange_n (a, val, SEQ_CST);
  __atomic_compare_exchange (a, &val, &ret, !1, SEQ_CST, SEQ_CST);
  __atomic_compare_exchange_n (a, &val, ret, !1, SEQ_CST, SEQ_CST);
  __atomic_test_and_set (a, SEQ_CST);
  __atomic_clear (a, SEQ_CST);
}

Beispiel #3

Datei: zf_log.c Projekt: pjc42/zf_log

static INLINE void tcache_set(const struct timeval *const tv, struct tm *const tm)
{
	unsigned stale = TCACHE_STALE;
	if (__atomic_compare_exchange_n(&g_tcache_mode, &stale, TCACHE_FLUID,
									0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
	{
		g_tcache_tv = *tv;
		g_tcache_tm = *tm;
		__atomic_and_fetch(&g_tcache_mode, ~TCACHE_FLUID, __ATOMIC_RELEASE);
	}
}

Beispiel #4

Datei: atomic-op-imm.c Projekt: MariadeAnton/libptm

int
atomic_and_fetch_SEQ_CST ()
{
  return __atomic_and_fetch (&v, 4096, __ATOMIC_SEQ_CST);
}

Beispiel #5

Datei: tree.c Projekt: 2php/darkforestGo

void cnn_data_clear_evaluated_bit(CNNData* data, unsigned char bit) {
  __atomic_and_fetch(&data->evaluated, ~BIT(bit), __ATOMIC_RELEASE);
  event_count_broadcast(&data->event_counts[bit]);
}