Alan Cox wrote: > > System calls don't trigger SIGSEGVs so they can't rely on that when > > calling read(). I'm not sure how they handle that. > > Usually by touching the pages before the syscall. Makes sense. > (You can't rely on -EFAULT either in POSIX, its optional that it > bothers to tell you and for example on MMUless it may well not) On MMUless you wouldn't use page protection as a GC technique :-) Is EFAULT really optional on systems with page protection? -- Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
