On Fri, Jun 24, 2016 at 10:50:34PM +0000, Brooks Davis wrote: > pipe(2) had an unnecessarily odd calling convention (ignoring the > argument the user thought they were passing and returning the two file > descriptors via the two return registers). This required machine > dependent assembly for every target and special handling in tracing > tools (ktrace, dtrace, etc). On 64-bit platforms, pipe(2)'s > implementation is the only reason the two-register return model needs to > exist at all (on 32-bit platforms it allows off_t to be returned from > lseek). getpid() is another instance. _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
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