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valentin <sslug@sslug> writes: > 2) Hvordan håndterer man det, hvis man ønsker at gemme og tilgå en > hægtet liste i shared memory? vi skal gemme oplysninger i en hægtet > liste, som flere processer skal kunne tilgå. Nu kan jeg bare ikke huske noget som helst om C, men: struct shared-list { sem* lock; list* first; } struct list { void* payload; list* next; /* Den skulle ikke vere dobbelthægtet, vel? */ } void insert(shared-list* self, void* obj) { aquire(self->lock); /* sanity check af obj (er den i den delte del af hukkomelsen?) */ /* insert-code here */ release(self->lock); } Og ligende for alle de andre listefunktioner. Så sørg bare for altid at bruge de rigtige funktioner og lad være med lige at vide noget om at en shared-list bare er en struktur med en pointer til en helt almindelig liste. -- FAQ about my previous signature: Q: What does it mean? A: "Sid regler!" is some kind of translation of "Sid rulez!" into danish Sid is the new, rather cool, character in the internet-based cartoon at http://www.userfriendly.org.
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