2 76193d7c 2003-09-30 devnull .globl _xinc
4 76193d7c 2003-09-30 devnull movl 4(%esp), %eax
5 76193d7c 2003-09-30 devnull lock incl 0(%eax)
8 76193d7c 2003-09-30 devnull .globl _xdec
10 76193d7c 2003-09-30 devnull movl 4(%esp), %eax
11 76193d7c 2003-09-30 devnull lock decl 0(%eax)
12 76193d7c 2003-09-30 devnull jz iszero
13 76193d7c 2003-09-30 devnull movl %eax, 1
16 76193d7c 2003-09-30 devnull movl %eax, 0