git.m6w6.name Git - awesomized/libmemcached/blob - clients/ms_atomic.h

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11
  12 #ifndef CLIENTS_MS_ATOMIC_H
  13 #define CLIENTS_MS_ATOMIC_H
  14
  15 #if defined(__SUNPRO_C)
  16 # define _KERNEL
  17 # include <atomic.h>
  18 # undef _KERNEL
  19 #else
  20 # define atomic_add_8(X, Y)  __sync_fetch_and_add((X), (Y))
  21 # define atomic_add_16(X, Y) __sync_fetch_and_add((X), (Y))
  22 # define atomic_add_32(X, Y) __sync_fetch_and_add((X), (Y))
  23 # define atomic_add_64(X, Y) __sync_fetch_and_add((X), (Y))
  24 # define atomic_dec_8(X)  __sync_fetch_and_sub((X), 1)
  25 # define atomic_dec_16(X) __sync_fetch_and_sub((X), 1)
  26 # define atomic_dec_32(X) __sync_fetch_and_sub((X), 1)
  27 # define atomic_dec_64(X) __sync_fetch_and_sub((X), 1)
  28 /* The same as above, but these return the new value instead of void */
  29 # define atomic_add_8_nv(X, Y)  __sync_fetch_and_add((X), (Y))
  30 # define atomic_add_16_nv(X, Y) __sync_fetch_and_add((X), (Y))
  31 # define atomic_add_32_nv(X, Y) __sync_fetch_and_add((X), (Y))
  32 # define atomic_add_64_nv(X, Y) __sync_fetch_and_add((X), (Y))
  33 # define atomic_dec_8_nv(X)  __sync_fetch_and_sub((X), 1)
  34 # define atomic_dec_16_nv(X) __sync_fetch_and_sub((X), 1)
  35 # define atomic_dec_32_nv(X) __sync_fetch_and_sub((X), 1)
  36 # define atomic_dec_64_nv(X) __sync_fetch_and_sub((X), 1)
  37 #endif /* defined(__SUNPRO_C) */
  38
  39 #endif /* CLIENTS_MS_ATOMIC_H */