ObjFW: Diff

Differences From Artifact [8449195015]:

File src/threading.h — part of check-in [8e7c6ddf8c] at 2016-07-30 21:22:31 on branch trunk — of_spinlock_(un)lock: Add memory barrier (user: js, size: 6278) [annotate] [blame] [check-ins using]

File src/threading.h — part of check-in [24796a2dc1] at 2016-07-31 21:54:30 on branch trunk — Add of_memory_barrier_{producer,consumer}()
Also changes the naming slightly (leave -> exit). This is more similar
to the membar_*() API NetBSD and OpenBSD provides. (user: js, size: 6277) [annotate] [blame] [check-ins using]

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180 181 182 183 184 185 186 ~~187~~ 188 189 190 191 192 193 194	180 181 182 183 184 185 186 187 188 189 190 191 192 193 194	- +	} static OF_INLINE bool of_spinlock_trylock(of_spinlock_t *spinlock) { #if defined(OF_HAVE_ATOMIC_OPS) if (of_atomic_int_cmpswap(spinlock, 0, 1)) { ~~of_memory_~~enter_~~barrier();~~ of_memory_barrier_enter(); return true; } return false; #elif defined(OF_HAVE_PTHREAD_SPINLOCKS) return !pthread_spin_trylock(spinlock); #else
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219 220 221 222 223 224 225 ~~226~~ 227 228 229 230 231 232 233	219 220 221 222 223 224 225 226 227 228 229 230 231 232 233	- +	static OF_INLINE bool of_spinlock_unlock(of_spinlock_t *spinlock) { #if defined(OF_HAVE_ATOMIC_OPS) bool ret = of_atomic_int_cmpswap(spinlock, 1, 0); ~~of_memory_~~leave_~~barrier();~~ of_memory_barrier_exit(); return ret; #elif defined(OF_HAVE_PTHREAD_SPINLOCKS) return !pthread_spin_unlock(spinlock); #else return of_mutex_unlock(spinlock); #endif
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