On Wed, Oct 5, 2016 at 2:51 PM, Barret Rhoden <[email protected]> wrote:
> thanks for the fix/improvement.
>
> that was some ancient TLS code using SYS_getpid... =)
Indeed it was! For those who are following along at home, Barret and I
checked the blame history and that code dated to 2010, if not a little
before.
- Dan C.
On 2016-10-05 at 14:47 Dan Cross <[email protected]> wrote:
> > Thanks!
> >
> > On Wed, Oct 5, 2016 at 2:35 PM, Barret Rhoden <[email protected]>
> > wrote:
> >
> > > Merged to master at ab829d5d7914..216b406e8bf6 (from, to]
> > >
> > > You can see the entire diff with 'git diff' or at
> > > https://github.com/brho/akaros/compare/ab829d5d7914...216b406e8bf6
> > >
> > > (for your entire patchset)
> > >
> > >
> > > On 2016-10-05 at 12:44 Dan Cross <[email protected]> wrote:
> > > > Add the `getppid()` function to glibc to retrieve a process's
> > > > parent process ID. See POSIX:
> > > > http://pubs.opengroup.org/onlinepubs/009695399/
> functions/getppid.html
> > > >
> > > > Rebuild and reinstall glibc.
> > > >
> > > > Change-Id: I116129292da56bfd53cc2e6a23d9c9bb7c6246d1
> > > > Signed-off-by: Dan Cross <[email protected]>
> > > > ---
> > > > .../glibc-2.19-akaros/sysdeps/akaros/getppid.c | 30
> > > > ++++++++++++++++++++++ 1 file changed, 30 insertions(+)
> > > > create mode 100644
> > > > tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/getppid.c
> > > >
> > > > diff --git
> > > > a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/
> akaros/getppid.c
> > > > b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/
> akaros/getppid.c
> > > > new file mode 100644 index 0000000..5d75f44 --- /dev/null
> > > > +++
> > > > b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/
> akaros/getppid.c
> > > > @@ -0,0 +1,30 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002
> > > > Free Software Foundation, Inc.
> > > > + This file is part of the GNU C Library.
> > > > +
> > > > + The GNU C Library is free software; you can redistribute it
> > > > and/or
> > > > + modify it under the terms of the GNU Lesser General Public
> > > > + License as published by the Free Software Foundation; either
> > > > + version 2.1 of the License, or (at your option) any later
> > > > version. +
> > > > + The GNU C Library is distributed in the hope that it will be
> > > > useful,
> > > > + but WITHOUT ANY WARRANTY; without even the implied warranty of
> > > > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> > > > GNU
> > > > + Lesser General Public License for more details.
> > > > +
> > > > + You should have received a copy of the GNU Lesser General
> > > > Public
> > > > + License along with the GNU C Library; if not, write to the
> > > > Free
> > > > + Software Foundation, Inc., 59 Temple Place, Suite 330,
> > > > Boston, MA
> > > > + 02111-1307 USA. */
> > > > +
> > > > +#include <errno.h>
> > > > +#include <unistd.h>
> > > > +#include <ros/syscall.h>
> > > > +#include <ros/procinfo.h>
> > > > +
> > > > +/* Get the process ID of the calling process's parent. */
> > > > +int
> > > > +__getppid ()
> > > > +{
> > > > + return __procinfo.ppid;
> > > > +}
> > > > +weak_alias(__getppid, getppid)
> > >
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