Thanks, Denys. Applied. On 07/02/13 13:20, Denys Vlasenko wrote: > By Oleg's request. > > Signed-off-by: Denys Vlasenko <dvlasenk@xxxxxxxxxx> > CC: linux-man@xxxxxxxxxxxxxxx > CC: Oleg Nesterov <oleg@xxxxxxxxxx> > CC: Jan Kratochvil <jan.kratochvil@xxxxxxxxxx> > CC: Dmitry V. Levin <ldv@xxxxxxxxxxxx> > --- > man2/ptrace.2 | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/man2/ptrace.2 b/man2/ptrace.2 > index 55c4fe2..a6e01a0 100644 > --- a/man2/ptrace.2 > +++ b/man2/ptrace.2 > @@ -1776,8 +1776,15 @@ the report is sent only once. > .SH RETURN VALUE > On success, > .B PTRACE_PEEK* > -requests return the requested data, > -while other requests return zero. > +requests return the requested data, while other requests return zero. > +(On Linux, this is done in the libc wrapper around ptrace system call. > +On the system call level, > +.B PTRACE_PEEK* > +requests have a different API: they store the result > +at the address specified by > +.I data > +parameter, and return value is the error flag.) > +.LP > On error, all requests return \-1, and > .I errno > is set appropriately. > -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
