44 lines
1.4 KiB
C
Executable File
44 lines
1.4 KiB
C
Executable File
#ifndef SW_ATOMIC_H_
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#define SW_ATOMIC_H_
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typedef volatile int32_t sw_atomic_int32_t;
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typedef volatile uint32_t sw_atomic_uint32_t;
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#ifdef __x86_64__
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typedef volatile int64_t sw_atomic_int64_t;
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typedef volatile uint64_t sw_atomic_uint64_t;
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#endif
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#ifdef __x86_64__
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typedef sw_atomic_int64_t sw_atomic_long_t;
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typedef sw_atomic_uint64_t sw_atomic_ulong_t;
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#else
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typedef sw_atomic_int32_t sw_atomic_long_t;
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typedef sw_atomic_uint32_t sw_atomic_ulong_t;
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#endif
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typedef sw_atomic_uint32_t sw_atomic_t;
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#define sw_atomic_cmp_set(lock, old, set) __sync_bool_compare_and_swap(lock, old, set)
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#define sw_atomic_fetch_add(value, add) __sync_fetch_and_add(value, add)
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#define sw_atomic_fetch_sub(value, sub) __sync_fetch_and_sub(value, sub)
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#define sw_atomic_memory_barrier() __sync_synchronize()
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#define sw_atomic_add_fetch(value, add) __sync_add_and_fetch(value, add)
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#define sw_atomic_sub_fetch(value, sub) __sync_sub_and_fetch(value, sub)
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#ifdef __arm__
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#define sw_atomic_cpu_pause() __asm__ __volatile__ ("NOP");
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#elif defined(__x86_64__)
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#define sw_atomic_cpu_pause() __asm__ __volatile__ ("pause")
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#else
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#define sw_atomic_cpu_pause()
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#endif
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#if 0
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#define sw_spinlock_release(lock) __sync_lock_release(lock)
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#else
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#define sw_spinlock_release(lock) *(lock) = 0
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#endif
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#endif
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