please don't take this the wrong way, but i don't see how any of your comments are relevant. i didn't say "POSIX" anywhere (which isn't to say your outline of POSIX semantics are incorrect), but the QEMU linux-user layer has nothing to do with POSIX. the linux-user layer in QEMU implements the Linux syscall ABI, and all of my comments/code are geared towards that. hence, i'm closely implementing what Linux does (since that's what Linux C libraries rely on exactly), not what POSIX allows. -mike
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