Messages in this thread | | | Subject | Re: [PATCH] 2.4.18-pre9, trylock for read/write semaphores | Date | Tue, 12 Feb 2002 23:29:29 +0000 (GMT) | From | Alan Cox <> |
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> + new = old + RWSEM_ACTIVE_READ_BIAS; > + if (cmpxchg(&sem->count, old, new) == old) > + return 1;
cmpxchg isnt present on i386
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