iatomic.h

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#ifndef __IATOMIC_H
#define __IATOMIC_H
 
typedef volatile int atomic_t;  
 
#define atomic_set(ptr, val) \
    __atomic_store_n(ptr, val, __ATOMIC_SEQ_CST)
 
#define atomic_read(ptr) \
    __atomic_load_n(ptr, __ATOMIC_SEQ_CST)
 
#define atomic_inc(ptr) \
    __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST)
 
#define atomic_dec(ptr) \
    __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST)
 
#define atomic_add(val, ptr) \
    __atomic_add_fetch(ptr, val, __ATOMIC_SEQ_CST)
 
#define atomic_sub(val, ptr) \
    __atomic_sub_fetch(ptr, val, __ATOMIC_SEQ_CST)
 
#endif