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bson/bson-atomic.h  view on Meta::CPAN

BSON_BEGIN_DECLS


#if defined(__sun) && defined(__SVR4)
   /* Solaris */
#  include <atomic.h>
#  define bson_atomic_int_add(p,v)   atomic_add_32_nv((volatile uint32_t *)p, (v))
#  define bson_atomic_int64_add(p,v) atomic_add_64_nv((volatile uint64_t *)p, (v))
#elif defined(_WIN32)
   /* MSVC/MinGW */
#  define bson_atomic_int_add(p, v)   (InterlockedExchangeAdd((volatile LONG *)(p), (LONG)(v)) + (LONG)(v))
#  define bson_atomic_int64_add(p, v) (InterlockedExchangeAdd64((volatile LONGLONG *)(p), (LONGLONG)(v)) + (LONGLONG)(v))
#else
#  ifdef BSON_HAVE_ATOMIC_32_ADD_AND_FETCH
#    define bson_atomic_int_add(p,v) __sync_add_and_fetch((p), (v))
#  else
#    define __BSON_NEED_ATOMIC_32
#  endif
#  ifdef BSON_HAVE_ATOMIC_64_ADD_AND_FETCH
#    if BSON_GNUC_IS_VERSION(4, 1)
       /*
        * GCC 4.1 on i386 can generate buggy 64-bit atomic increment.