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Timo Teräs authored
apparently it needs to have both PROT_READ and PROT_WRITE. and it needs to be MAP_SHARED for the writing to be effective. oh, and the data needs to be preallocated with ftruncate; otherwise, one gets SIGBUS.
8e4075e6
apparently it needs to have both PROT_READ and PROT_WRITE. and it needs to be MAP_SHARED for the writing to be effective. oh, and the data needs to be preallocated with ftruncate; otherwise, one gets SIGBUS.