[PATCH] Linux: Use in-tree copy of SO_ constants for !__USE_MISC [BZ #24532]
Carlos O'Donell
carlos@redhat.com
Tue Jul 23 21:28:00 GMT 2019
On 7/21/19 7:07 PM, Florian Weimer wrote:
> * Carlos O'Donell:
>
>> While all SO_.* constants match correctly, it's SOL_SOCKET that we
>> have wrong?
>
> Yes, thanks for noticing. I fixed this and expanded the test scope.
> build-many-glibcs.py still passes.
>
> I have a half-done patch to extend glibcextract.py so that it's able to
> skip extraction of macros with errors (efficiently, at the cost of
> roughly one additional compiler run per failing macro), but that's
> fairly involved. On certain architectures, there are awkward predefined
> macros which cause the extraction go wrong (e.g. bool on POWER), and
> there also glibc macros such as TOP_NAMESPACE which are confusing it.
This version looks good to me.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
> Linux: Use in-tree copy of SO_ constants for !__USE_MISC [BZ #24532]
>
> The kernel changes for a 64-bit time_t on 32-bit architectures
> resulted in <asm/socket.h> indirectly including <linux/posix_types.h>.
> The latter is not namespace-clean for the POSIX version of
> <sys/socket.h>.
>
> This issue has persisted across several Linux releases, so this commit
> creates our own copy of the SO_* definitions for !__USE_MISC mode.
>
> The new test socket/tst-socket-consts ensures that the copy is
> consistent with the kernel definitions (which vary across
> architectures). The test is tricky to get right because CPPFLAGS
> includes include/libc-symbols.h, which in turn defines _GNU_SOURCE
> unconditionally.
>
> Tested with build-many-glibcs.py. I verified that a discrepancy in
> the definitions actually results in a failure of the
> socket/tst-socket-consts test.
>
> 2019-07-18 Florian Weimer <fweimer@redhat.com>
>
> [BZ #24532]
> Linux: Use in-tree copy of SO_ constants for !__USE_MISC.
> * sysdeps/unix/sysv/linux/Makefile [$(subdir) == socket]
> (sysdep_headers): Add bits/socket-constants.h.
> (tests-special): Add tst-socket-consts.out.
> (tst-socket-consts.out): New target.
> * sysdeps/unix/sysv/linux/bits/socket.h: Remove macro tracking
> around <asm/unistd.h>.
> [__USE_MISC]: Include <bits/types/time_t.h> before <asm/socket.h>.
> [!__USE_MISC]: Include <sys/socket-constants.h> instead of
> <asm/socket.h>.
> * sysdeps/unix/sysv/linux/bits/tst-socket-consts.py: New file.
> * sysdeps/unix/sysv/linux/bits/socket-constants.h: Likewise.
> * sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h: Likewise.
> * sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h: Likewise.
> * sysdeps/unix/sysv/linux/mips/bits/socket-constants.h: Likewise.
> * sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h:
> Likewise.
> * sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h: Likewise.
>
> diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
> index afcdc658b5..1ab6bcbfc8 100644
> --- a/sysdeps/unix/sysv/linux/Makefile
> +++ b/sysdeps/unix/sysv/linux/Makefile
> @@ -146,11 +146,21 @@ endif
> ifeq ($(subdir),socket)
> sysdep_headers += net/if_ppp.h net/ppp-comp.h \
> net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
> - net/if_slip.h net/if_packet.h net/if_shaper.h
> + net/if_slip.h net/if_packet.h net/if_shaper.h \
> + bits/socket-constants.h
> sysdep_routines += cmsg_nxthdr
> CFLAGS-recvmmsg.c = -fexceptions -fasynchronous-unwind-tables
> CFLAGS-sendmmsg.c = -fexceptions -fasynchronous-unwind-tables
> -endif
> +
> +tests-special += $(objpfx)tst-socket-consts.out
> +$(objpfx)tst-socket-consts.out: ../sysdeps/unix/sysv/linux/tst-socket-consts.py
> + PYTHONPATH=../scripts \
> + $(PYTHON) ../sysdeps/unix/sysv/linux/tst-socket-consts.py \
> + --cc="$(CC) $(patsubst -DMODULE_NAME=%, \
> + -DMODULE_NAME=testsuite, \
> + $(CPPFLAGS)) -D_ISOMAC" \
> + < /dev/null > $@ 2>&1; $(evaluate-test)
> +endif # $(subdir) == socket
>
> ifeq ($(subdir),sunrpc)
> sysdep_headers += nfs/nfs.h
> diff --git a/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h b/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
> new file mode 100644
> index 0000000000..571196756e
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures. Version for alpha.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 65535
> +#define SO_ACCEPTCONN 4116
> +#define SO_BROADCAST 32
> +#define SO_DONTROUTE 16
> +#define SO_ERROR 4103
> +#define SO_KEEPALIVE 8
> +#define SO_LINGER 128
> +#define SO_OOBINLINE 256
> +#define SO_RCVBUF 4098
> +#define SO_RCVLOWAT 4112
> +#define SO_RCVTIMEO 4114
> +#define SO_REUSEADDR 4
> +#define SO_SNDBUF 4097
> +#define SO_SNDLOWAT 4113
> +#define SO_SNDTIMEO 4115
> +#define SO_TYPE 4104
> diff --git a/sysdeps/unix/sysv/linux/bits/socket-constants.h b/sysdeps/unix/sysv/linux/bits/socket-constants.h
> new file mode 100644
> index 0000000000..b231342102
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 1
> +#define SO_ACCEPTCONN 30
> +#define SO_BROADCAST 6
> +#define SO_DONTROUTE 5
> +#define SO_ERROR 4
> +#define SO_KEEPALIVE 9
> +#define SO_LINGER 13
> +#define SO_OOBINLINE 10
> +#define SO_RCVBUF 8
> +#define SO_RCVLOWAT 18
> +#define SO_RCVTIMEO 20
> +#define SO_REUSEADDR 2
> +#define SO_SNDBUF 7
> +#define SO_SNDLOWAT 19
> +#define SO_SNDTIMEO 21
> +#define SO_TYPE 3
> diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
> index 99af01d2a4..082f8b9031 100644
> --- a/sysdeps/unix/sysv/linux/bits/socket.h
> +++ b/sysdeps/unix/sysv/linux/bits/socket.h
> @@ -349,98 +349,12 @@ struct ucred
> };
> #endif
>
> -/* Ugly workaround for unclean kernel headers. */
> -#ifndef __USE_MISC
> -# ifndef FIOGETOWN
> -# define __SYS_SOCKET_H_undef_FIOGETOWN
> -# endif
> -# ifndef FIOSETOWN
> -# define __SYS_SOCKET_H_undef_FIOSETOWN
> -# endif
> -# ifndef SIOCATMARK
> -# define __SYS_SOCKET_H_undef_SIOCATMARK
> -# endif
> -# ifndef SIOCGPGRP
> -# define __SYS_SOCKET_H_undef_SIOCGPGRP
> -# endif
> -# ifndef SIOCGSTAMP
> -# define __SYS_SOCKET_H_undef_SIOCGSTAMP
> -# endif
> -# ifndef SIOCGSTAMPNS
> -# define __SYS_SOCKET_H_undef_SIOCGSTAMPNS
> -# endif
> -# ifndef SIOCSPGRP
> -# define __SYS_SOCKET_H_undef_SIOCSPGRP
> -# endif
> -#endif
> -#ifndef IOCSIZE_MASK
> -# define __SYS_SOCKET_H_undef_IOCSIZE_MASK
> -#endif
> -#ifndef IOCSIZE_SHIFT
> -# define __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
> -#endif
> -#ifndef IOC_IN
> -# define __SYS_SOCKET_H_undef_IOC_IN
> -#endif
> -#ifndef IOC_INOUT
> -# define __SYS_SOCKET_H_undef_IOC_INOUT
> -#endif
> -#ifndef IOC_OUT
> -# define __SYS_SOCKET_H_undef_IOC_OUT
> -#endif
> -
> -/* Get socket manipulation related informations from kernel headers. */
> -#include <asm/socket.h>
> -
> -#ifndef __USE_MISC
> -# ifdef __SYS_SOCKET_H_undef_FIOGETOWN
> -# undef __SYS_SOCKET_H_undef_FIOGETOWN
> -# undef FIOGETOWN
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_FIOSETOWN
> -# undef __SYS_SOCKET_H_undef_FIOSETOWN
> -# undef FIOSETOWN
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_SIOCATMARK
> -# undef __SYS_SOCKET_H_undef_SIOCATMARK
> -# undef SIOCATMARK
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_SIOCGPGRP
> -# undef __SYS_SOCKET_H_undef_SIOCGPGRP
> -# undef SIOCGPGRP
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMP
> -# undef __SYS_SOCKET_H_undef_SIOCGSTAMP
> -# undef SIOCGSTAMP
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
> -# undef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
> -# undef SIOCGSTAMPNS
> -# endif
> -# ifdef __SYS_SOCKET_H_undef_SIOCSPGRP
> -# undef __SYS_SOCKET_H_undef_SIOCSPGRP
> -# undef SIOCSPGRP
> -# endif
> -#endif
> -#ifdef __SYS_SOCKET_H_undef_IOCSIZE_MASK
> -# undef __SYS_SOCKET_H_undef_IOCSIZE_MASK
> -# undef IOCSIZE_MASK
> -#endif
> -#ifdef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
> -# undef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
> -# undef IOCSIZE_SHIFT
> -#endif
> -#ifdef __SYS_SOCKET_H_undef_IOC_IN
> -# undef __SYS_SOCKET_H_undef_IOC_IN
> -# undef IOC_IN
> -#endif
> -#ifdef __SYS_SOCKET_H_undef_IOC_INOUT
> -# undef __SYS_SOCKET_H_undef_IOC_INOUT
> -# undef IOC_INOUT
> -#endif
> -#ifdef __SYS_SOCKET_H_undef_IOC_OUT
> -# undef __SYS_SOCKET_H_undef_IOC_OUT
> -# undef IOC_OUT
> +#ifdef __USE_MISC
> +# include <bits/types/time_t.h>
> +# include <asm/socket.h>
> +#else
> +# define SO_DEBUG 1
> +# include <bits/socket-constants.h>
> #endif
>
> /* Structure used to manipulate the SO_LINGER option. */
> diff --git a/sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h b/sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h
> new file mode 100644
> index 0000000000..0b652b81be
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures. Version for hppa.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 65535
> +#define SO_ACCEPTCONN 16412
> +#define SO_BROADCAST 32
> +#define SO_DONTROUTE 16
> +#define SO_ERROR 4103
> +#define SO_KEEPALIVE 8
> +#define SO_LINGER 128
> +#define SO_OOBINLINE 256
> +#define SO_RCVBUF 4098
> +#define SO_RCVLOWAT 4100
> +#define SO_RCVTIMEO 4102
> +#define SO_REUSEADDR 4
> +#define SO_SNDBUF 4097
> +#define SO_SNDLOWAT 4099
> +#define SO_SNDTIMEO 4101
> +#define SO_TYPE 4104
> diff --git a/sysdeps/unix/sysv/linux/mips/bits/socket-constants.h b/sysdeps/unix/sysv/linux/mips/bits/socket-constants.h
> new file mode 100644
> index 0000000000..2c504499cb
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/mips/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures. Version for MIPS.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 65535
> +#define SO_ACCEPTCONN 4105
> +#define SO_BROADCAST 32
> +#define SO_DONTROUTE 16
> +#define SO_ERROR 4103
> +#define SO_KEEPALIVE 8
> +#define SO_LINGER 128
> +#define SO_OOBINLINE 256
> +#define SO_RCVBUF 4098
> +#define SO_RCVLOWAT 4100
> +#define SO_RCVTIMEO 4102
> +#define SO_REUSEADDR 4
> +#define SO_SNDBUF 4097
> +#define SO_SNDLOWAT 4099
> +#define SO_SNDTIMEO 4101
> +#define SO_TYPE 4104
> diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h b/sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h
> new file mode 100644
> index 0000000000..6d4301b1fd
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures. Version for POWER.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 1
> +#define SO_ACCEPTCONN 30
> +#define SO_BROADCAST 6
> +#define SO_DONTROUTE 5
> +#define SO_ERROR 4
> +#define SO_KEEPALIVE 9
> +#define SO_LINGER 13
> +#define SO_OOBINLINE 10
> +#define SO_RCVBUF 8
> +#define SO_RCVLOWAT 16
> +#define SO_RCVTIMEO 18
> +#define SO_REUSEADDR 2
> +#define SO_SNDBUF 7
> +#define SO_SNDLOWAT 17
> +#define SO_SNDTIMEO 19
> +#define SO_TYPE 3
> diff --git a/sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h b/sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h
> new file mode 100644
> index 0000000000..a663e11210
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h
> @@ -0,0 +1,38 @@
> +/* Socket constants which vary among Linux architectures. Version for SPARC.
> + Copyright (C) 2019 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, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#ifndef _SYS_SOCKET_H
> +# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
> +#endif
> +
> +#define SOL_SOCKET 65535
> +#define SO_ACCEPTCONN 32768
> +#define SO_BROADCAST 32
> +#define SO_DONTROUTE 16
> +#define SO_ERROR 4103
> +#define SO_KEEPALIVE 8
> +#define SO_LINGER 128
> +#define SO_OOBINLINE 256
> +#define SO_RCVBUF 4098
> +#define SO_RCVLOWAT 2048
> +#define SO_RCVTIMEO 8192
> +#define SO_REUSEADDR 4
> +#define SO_SNDBUF 4097
> +#define SO_SNDLOWAT 4096
> +#define SO_SNDTIMEO 16384
> +#define SO_TYPE 4104
> diff --git a/sysdeps/unix/sysv/linux/tst-socket-consts.py b/sysdeps/unix/sysv/linux/tst-socket-consts.py
> new file mode 100644
> index 0000000000..ca2634110c
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/tst-socket-consts.py
> @@ -0,0 +1,65 @@
> +#!/usr/bin/python3
> +# Test that glibc's sys/socket.h SO_* constants match the kernel's.
> +# Copyright (C) 2018-2019 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, see
> +# <http://www.gnu.org/licenses/>.
> +
> +import argparse
> +import sys
> +
> +import glibcextract
> +
> +def main():
> + """The main entry point."""
> + parser = argparse.ArgumentParser(
> + description="Test that glibc's sys/socket.h constants "
> + "match the kernel's.")
> + parser.add_argument('--cc', metavar='CC',
> + help='C compiler (including options) to use')
> + args = parser.parse_args()
> +
> + def check(define):
> + return glibcextract.compare_macro_consts(
> + source_1=define + '#include <sys/socket.h>\n',
> + # Some constants in <asm/socket.h> may depend on the size
> + # of pid_t or time_t.
> + source_2='#include <sys/types.h>\n'
> + '#include <asm/socket.h>\n',
> + cc=args.cc,
> + # We cannot compare all macros because some macros cannot
> + # be expanded as constants, and glibcextract currently is
> + # not able to isolate errors.
> + macro_re='SOL?_.*',
> + # <sys/socket.h> and <asm/socket.h> are not a good match.
> + # Most socket-related constants are not defined in any
> + # UAPI header. Check only the intersection of the macros
> + # in both headers. Regular tests ensure that expected
> + # macros for _GNU_SOURCE are present, and the conformance
> + # tests cover most of the other modes.
> + allow_extra_1=True,
> + allow_extra_2=True)
> + # _GNU_SOURCE is defined by include/libc-symbols.h, which is
> + # included by the --cc command. Defining _ISOMAC does not prevent
> + # that.
> + status = max(
> + check(''),
> + check('#undef _GNU_SOURCE\n'),
> + check('#undef _GNU_SOURCE\n'
> + '#define _POSIX_SOURCE 1\n'))
> + sys.exit(status)
> +
> +if __name__ == '__main__':
> + main()
>
--
Cheers,
Carlos.
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