cmpswap.c - vx32 - Local 9vx git repository for patches.

git clone git://r-36.net/vx32

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cmpswap.c (160B)
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     1 int        oscmpswap(long* addr, long oldval, long newval)
     2 {
     3         int res;
     4         res = __sync_bool_compare_and_swap(addr, oldval, newval);
     5         if (res) 
     6                 return 1;
     7         return 0;
     8 }
     9