atomic_read(atomic_t *v);//获得原子变量的值,返回原子变量的值 void atomic_add(int i, atomic_t *v);//原子变量+i void atomic_sub(int i, atomic_t *v);//原子变量-i void atomic_inc(atomic_t *v);//原子变量+1 *** void atomic_dec(atomic_t *v);//原子变量-1 对原子变量执行自增...
atomic_cas_ptr(9F) atomic_cas_uchar(9F) atomic_cas_uint(9F) atomic_cas_ulong(9F) atomic_cas_ushort(9F) atomic_clear_long_excl(9F) atomic_dec(9F) atomic_dec_16(9F) atomic_dec_16_nv(9F) atomic_dec_32(9F) atomic_dec_32_nv(9F) atomic_dec_64(9F) atomic_dec_64_nv(9F) atomic_...
atomic_cas_16(9F) atomic_cas_32(9F) atomic_cas_64(9F) atomic_cas_8(9F) atomic_cas_ptr(9F) atomic_cas_uchar(9F) atomic_cas_uint(9F) atomic_cas_ulong(9F) atomic_cas_ushort(9F) atomic_clear_long_excl(9F) atomic_dec(9F) atomic_dec_16(9F) atomic_dec_16_nv(9F) atomic_dec_32(...
LASSERT(atomic_read(&obd->u.cli.cl_mgc_refcount) >0);if(!atomic_dec_and_test(&obd->u.cli.cl_mgc_refcount)) {/* This is not fatal, every client that stops will call in here. */CDEBUG(D_MOUNT,"mgc still has %d references.\n", atomic_read(&obd->u.cli.cl_mgc_refcount)); ...
在下文中一共展示了atomic::dec方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。 示例1: decrement_running_counter ▲点赞 6▼ inlinevoiddecrement_running_counter(){// now, a bit of care is needed heresize_tr ...
void atomic_dec_ulong(volatile ulong_t *target); void atomic_dec_64(volatile uint64_t *target); void atomic_dec_ptr(volatile void *target); uint8_t atomic_dec_8_nv(volatile uint8_t *target); uchar_t atomic_dec_uchar_nv(volatile uchar_t *target); uint16_t atomic_dec_16_nv(volati...
标准库中的sync/atomic对整数类型T(包含int32,int64,uint32,uint64,uintptr)提供5种类型的原子函数。 func AddT(addr *T, delta T)(new T) func LoadT(addr *T) (val T) func StoreT(addr *T, val T) func SwapT(addr *T, new T) (old T) ...
atomic_dec_and_test which is described here:http://kernelnewbies.org/documents/kdoc/kernel-api/r287.htmlIs there a way that I can use the existing <machine/atomic.h> FreeBSD macros to achieve the equivalent of atomic_dec_and_test?
@@ -2520,7 +2520,7 @@ raw_atomic_dec_unless_positive(atomic_t *v) * * Safe to use in noinstr code; prefer atomic_dec_if_positive() elsewhere. * * Return: @true if @v was updated, @false otherwise. * Return: The old value of (@v - 1), regardless of whether @v was updat...
inline int atomic_fetch_dec( _Inout_ int * _Dest ) restrict(amp); inline unsigned int atomic_fetch_dec( _Inout_ unsigned int * _Dest ) restrict(amp); 参数 _Dest 指向内存位置的指针。 返回值 原始的内存位置的值。 要求 标题: amp.h 命名空间: 并发 请参见 参考 Concurrency 命名空间 (C++...