<...>
> +
> +# define virAtomicIntGet(atomic) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ *(atomic) : 0); \
> + __sync_synchronize (); \
> + (int) *(atomic); \
> + }))
> +# define virAtomicIntSet(atomic, newval) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ (newval) : 0); \
> + *(atomic) = (newval); \
> + __sync_synchronize (); \
> + }))
> +# define virAtomicIntInc(atomic) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ *(atomic) : 0); \
> + (void) __sync_fetch_and_add ((atomic), 1); \
> + }))
> +# define virAtomicIntDecAndTest(atomic) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ *(atomic) : 0); \
> + __sync_fetch_and_sub ((atomic), 1) == 1; \
> + }))
> +# define virAtomicIntCompareExchange(atomic, oldval, newval) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ (newval) ^ (oldval) : 0); \
> + (bool) __sync_bool_compare_and_swap ((atomic), (oldval), (newval)); \
> + }))
> +# define virAtomicIntAdd(atomic, val) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ (val) : 0); \
> + (int) __sync_fetch_and_add ((atomic), (val)); \
> + }))
> +# define virAtomicIntAnd(atomic, val) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ (val) : 0); \
> + (unsigned int) __sync_fetch_and_and ((atomic), (val)); \
> + }))
> +# define virAtomicIntOr(atomic, val) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
> + (void) (0 ? *(atomic) ^ (val) : 0); \
> + (unsigned int) __sync_fetch_and_or ((atomic), (val)); \
> + }))
> +# define virAtomicIntXor(atomic, val) \
> + (__extension__ ({ \
> + verify (sizeof(*(atomic)) == sizeof(int)); \
The `verify' lines cause building warnings:
cc1: warnings being treated as errors
util/virobject.c: In function 'virClassNew':
util/virobject.c:74:99: error: nested extern declaration of '_gl_verify_function2' [-Wnested-externs]
util/virobject.c: In function 'virObjectNew':
util/virobject.c:112:84: error: nested extern declaration of '_gl_verify_function3' [-Wnested-externs]
util/virobject.c: In function 'virObjectUnref':
util/virobject.c:138:100: error: nested extern declaration of '_gl_verify_function4' [-Wnested-externs]
util/virobject.c: In function 'virObjectRef':
util/virobject.c:170:84: error: nested extern declaration of '_gl_verify_function5' [-Wnested-externs]
> + (void) (0 ? *(atomic) ^ (val) : 0); \
> + (unsigned int) __sync_fetch_and_xor ((atomic), (val)); \
> + }))
> +
--
Thanks,
Hu Tao
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