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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /contrib/sdk/sources/libdrm/xf86atomic.h @ 6109

  → /contrib/sdk/sources/libdrm/xf86atomic.h @ 6110

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Regard whitespace Rev 6109 → Rev 6110

/contrib/sdk/sources/libdrm/xf86atomic.h
48,7 → 48,8
# define atomic_read(x) ((x)->atomic)
# define atomic_set(x, val) ((x)->atomic = (val))
# define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1))
# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1)
# define atomic_inc_return(x) (__sync_add_and_fetch (&(x)->atomic, 1))
# define atomic_dec_and_test(x) (__sync_add_and_fetch (&(x)->atomic, -1) == 0)
# define atomic_add(x, v) ((void) __sync_add_and_fetch(&(x)->atomic, (v)))
# define atomic_dec(x, v) ((void) __sync_sub_and_fetch(&(x)->atomic, (v)))
# define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv)
66,6 → 67,7
# define atomic_read(x) AO_load_full(&(x)->atomic)
# define atomic_set(x, val) AO_store_full(&(x)->atomic, (val))
# define atomic_inc(x) ((void) AO_fetch_and_add1_full(&(x)->atomic))
# define atomic_inc_return(x) (AO_fetch_and_add1_full(&(x)->atomic) + 1)
# define atomic_add(x, v) ((void) AO_fetch_and_add_full(&(x)->atomic, (v)))
# define atomic_dec(x, v) ((void) AO_fetch_and_add_full(&(x)->atomic, -(v)))
# define atomic_dec_and_test(x) (AO_fetch_and_sub1_full(&(x)->atomic) == 1)
73,17 → 75,24
#endif
#if defined(__sun) && !defined(HAS_ATOMIC_OPS) /* Solaris & OpenSolaris */
#if (defined(__sun) || defined(__NetBSD__)) && !defined(HAS_ATOMIC_OPS) /* Solaris & OpenSolaris & NetBSD */
#include <sys/atomic.h>
#define HAS_ATOMIC_OPS 1
typedef struct { uint_t atomic; } atomic_t;
#if defined(__NetBSD__)
#define LIBDRM_ATOMIC_TYPE int
#else
#define LIBDRM_ATOMIC_TYPE uint_t
#endif
typedef struct { LIBDRM_ATOMIC_TYPE atomic; } atomic_t;
# define atomic_read(x) (int) ((x)->atomic)
# define atomic_set(x, val) ((x)->atomic = (uint_t)(val))
# define atomic_set(x, val) ((x)->atomic = (LIBDRM_ATOMIC_TYPE)(val))
# define atomic_inc(x) (atomic_inc_uint (&(x)->atomic))
# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 1)
# define atomic_inc_return(x) (atomic_inc_uint_nv(&(x)->atomic))
# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 0)
# define atomic_add(x, v) (atomic_add_int(&(x)->atomic, (v)))
# define atomic_dec(x, v) (atomic_add_int(&(x)->atomic, -(v)))
# define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv)
94,4 → 103,13
#error libdrm requires atomic operations, please define them for your CPU/compiler.
#endif
static inline int atomic_add_unless(atomic_t *v, int add, int unless)
{
int c, old;
c = atomic_read(v);
while (c != unless && (old = atomic_cmpxchg(v, c, c + add)) != c)
c = old;
return c == unless;
}
#endif