Messages in this thread |  | | From | Daniel Phillips <> | Subject | Re: [RFC] Raceless module interface | Date | Fri, 13 Sep 2002 17:37:19 +0200 |
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On Friday 13 September 2002 17:27, Thunder from the hill wrote: > > This applies equally to the two-prong interface. Do you see the pattern > > yet? > > Yes, but you don't seem to. (No, I don't want to insult you here.) > > Just to draw that: > > 2p: > > thread1 thread2 > struct x *y = malloc(sizeof(struct x)); > check y; > blah(); cleanup(y et al); > touch y->blah; /* bang */
This can't happen because a semaphore serializes the load and unload. (Currently, module.c uses lock_kernel, which is obviously inadequate.)
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