On Tuesday 20 March 2012 02:30:29 Michael Kerrisk (man-pages) wrote: > And another question about a different part of the page: > > +.SH "RETURN VALUE" > > +On success, > > +.BR process_vm_readv () > > +returns the number of bytes read while > > +.BR process_vm_writev () > > +returns the number of bytes written. > > + > > +On error, the number of bytes read or written is returned, or -1 is > > +returned if it was unable to read/write any bytes; in either case, > > +.I errno > > +is set appropriately. > > Is that last piece really true? On error, how does the syscall return > number of bytes read or written *and* set errno? yeah, this was a mistranslation by me from the .txt to the man page -mike
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