58 struct atomic {  struct
67 typedef struct atomic atomic_t;  argument
70 atomic_read(const atomic_t *atomic)  in atomic_read()  argument
73 	return atomic->a_u.au_int;  in atomic_read()
77 atomic_set(atomic_t *atomic, int value)  in atomic_set()  argument
80 	atomic->a_u.au_int = value;  in atomic_set()
84 atomic_set_release(atomic_t *atomic, int value)  in atomic_set_release()  argument
86 	atomic_store_release(&atomic->a_u.au_int, value);  in atomic_set_release()
90 atomic_add(int addend, atomic_t *atomic)  in atomic_add()  argument
93 	atomic_add_int(&atomic->a_u.au_uint, addend);  in atomic_add()
97 atomic_sub(int subtrahend, atomic_t *atomic)  in atomic_sub()  argument
100 	atomic_add_int(&atomic->a_u.au_uint, -subtrahend);  in atomic_sub()
104 atomic_add_return(int addend, atomic_t *atomic)  in atomic_add_return()  argument
109 	v = (int)atomic_add_int_nv(&atomic->a_u.au_uint, addend);  in atomic_add_return()
116 atomic_sub_return(int subtrahend, atomic_t *atomic)  in atomic_sub_return()  argument
121 	v = (int)atomic_add_int_nv(&atomic->a_u.au_uint, -subtrahend);  in atomic_sub_return()
128 atomic_inc(atomic_t *atomic)  in atomic_inc()  argument
131 	atomic_inc_uint(&atomic->a_u.au_uint);  in atomic_inc()
135 atomic_dec(atomic_t *atomic)  in atomic_dec()  argument
138 	atomic_dec_uint(&atomic->a_u.au_uint);  in atomic_dec()
142 atomic_inc_return(atomic_t *atomic)  in atomic_inc_return()  argument
147 	v = (int)atomic_inc_uint_nv(&atomic->a_u.au_uint);  in atomic_inc_return()
154 atomic_dec_return(atomic_t *atomic)  in atomic_dec_return()  argument
159 	v = (int)atomic_dec_uint_nv(&atomic->a_u.au_uint);  in atomic_dec_return()
166 atomic_dec_and_test(atomic_t *atomic)  in atomic_dec_and_test()  argument
169 	return atomic_dec_return(atomic) == 0;  in atomic_dec_and_test()
173 atomic_dec_if_positive(atomic_t *atomic)  in atomic_dec_if_positive()  argument
179 		v = atomic->a_u.au_uint;  in atomic_dec_if_positive()
182 	} while (atomic_cas_uint(&atomic->a_u.au_uint, v, v - 1) != v);  in atomic_dec_if_positive()
189 atomic_or(int value, atomic_t *atomic)  in atomic_or()  argument
192 	atomic_or_uint(&atomic->a_u.au_uint, value);  in atomic_or()
196 atomic_and(int value, atomic_t *atomic)  in atomic_and()  argument
199 	atomic_and_uint(&atomic->a_u.au_uint, value);  in atomic_and()
203 atomic_andnot(int value, atomic_t *atomic)  in atomic_andnot()  argument
206 	atomic_and_uint(&atomic->a_u.au_uint, ~value);  in atomic_andnot()
210 atomic_fetch_add(int value, atomic_t *atomic)  in atomic_fetch_add()  argument
216 		old = atomic->a_u.au_uint;  in atomic_fetch_add()
218 	} while (atomic_cas_uint(&atomic->a_u.au_uint, old, new) != old);  in atomic_fetch_add()
225 atomic_fetch_inc(atomic_t *atomic)  in atomic_fetch_inc()  argument
227 	return atomic_fetch_add(1, atomic);  in atomic_fetch_inc()
231 atomic_fetch_xor(int value, atomic_t *atomic)  in atomic_fetch_xor()  argument
237 		old = atomic->a_u.au_uint;  in atomic_fetch_xor()
239 	} while (atomic_cas_uint(&atomic->a_u.au_uint, old, new) != old);  in atomic_fetch_xor()
246 atomic_set_mask(unsigned long mask, atomic_t *atomic)  in atomic_set_mask()  argument
249 	atomic_or_uint(&atomic->a_u.au_uint, mask);  in atomic_set_mask()
253 atomic_clear_mask(unsigned long mask, atomic_t *atomic)  in atomic_clear_mask()  argument
256 	atomic_and_uint(&atomic->a_u.au_uint, ~mask);  in atomic_clear_mask()
260 atomic_add_unless(atomic_t *atomic, int addend, int zero)  in atomic_add_unless()  argument
266 		value = atomic->a_u.au_int;  in atomic_add_unless()
269 	} while (atomic_cas_uint(&atomic->a_u.au_uint, value, (value + addend))  in atomic_add_unless()
277 atomic_inc_not_zero(atomic_t *atomic)  in atomic_inc_not_zero()  argument
280 	return atomic_add_unless(atomic, 1, 0);  in atomic_inc_not_zero()
284 atomic_xchg(atomic_t *atomic, int new)  in atomic_xchg()  argument
289 	old = (int)atomic_swap_uint(&atomic->a_u.au_uint, (unsigned)new);  in atomic_xchg()
296 atomic_cmpxchg(atomic_t *atomic, int expect, int new)  in atomic_cmpxchg()  argument
306 	old = (int)atomic_cas_uint(&atomic->a_u.au_uint, (unsigned)expect,  in atomic_cmpxchg()
314 atomic_try_cmpxchg(atomic_t *atomic, int *valuep, int new)  in atomic_try_cmpxchg()  argument
318 	*valuep = atomic_cmpxchg(atomic, expect, new);  in atomic_try_cmpxchg()
389 atomic64_cmpxchg(struct atomic64 *atomic, uint64_t expect, uint64_t new)  in atomic64_cmpxchg()  argument
399 	old = atomic_cas_64(&atomic->a_v, expect, new);  in atomic64_cmpxchg()