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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.
This commit is contained in:
Florian Weimer
parent
35e038c1d2
commit
7854ebf8ed
22
ChangeLog
22
ChangeLog
@ -1,3 +1,25 @@
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2019-07-24 Florian Weimer <fweimer@redhat.com>
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[BZ #24532]
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Linux: Use in-tree copy of SO_ constants for !__USE_MISC.
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* sysdeps/unix/sysv/linux/Makefile [$(subdir) == socket]
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(sysdep_headers): Add bits/socket-constants.h.
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(tests-special): Add tst-socket-consts.out.
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(tst-socket-consts.out): New target.
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* sysdeps/unix/sysv/linux/bits/socket.h: Remove macro tracking
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around <asm/unistd.h>.
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[__USE_MISC]: Include <bits/types/time_t.h> before <asm/socket.h>.
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[!__USE_MISC]: Include <sys/socket-constants.h> instead of
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<asm/socket.h>.
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* sysdeps/unix/sysv/linux/bits/tst-socket-consts.py: New file.
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* sysdeps/unix/sysv/linux/bits/socket-constants.h: Likewise.
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* sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h: Likewise.
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* sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h: Likewise.
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* sysdeps/unix/sysv/linux/mips/bits/socket-constants.h: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h:
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Likewise.
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* sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h: Likewise.
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2019-07-23 Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
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[BZ #24794]
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@ -146,11 +146,21 @@ endif
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ifeq ($(subdir),socket)
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sysdep_headers += net/if_ppp.h net/ppp-comp.h \
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net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
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net/if_slip.h net/if_packet.h net/if_shaper.h
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net/if_slip.h net/if_packet.h net/if_shaper.h \
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bits/socket-constants.h
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sysdep_routines += cmsg_nxthdr
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CFLAGS-recvmmsg.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sendmmsg.c = -fexceptions -fasynchronous-unwind-tables
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endif
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tests-special += $(objpfx)tst-socket-consts.out
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$(objpfx)tst-socket-consts.out: ../sysdeps/unix/sysv/linux/tst-socket-consts.py
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PYTHONPATH=../scripts \
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$(PYTHON) ../sysdeps/unix/sysv/linux/tst-socket-consts.py \
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--cc="$(CC) $(patsubst -DMODULE_NAME=%, \
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-DMODULE_NAME=testsuite, \
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$(CPPFLAGS)) -D_ISOMAC" \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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endif # $(subdir) == socket
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ifeq ($(subdir),sunrpc)
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sysdep_headers += nfs/nfs.h
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38
sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
Normal file
@ -0,0 +1,38 @@
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/* Socket constants which vary among Linux architectures. Version for alpha.
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Copyright (C) 2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SOCKET_H
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# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
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#endif
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#define SOL_SOCKET 65535
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#define SO_ACCEPTCONN 4116
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#define SO_BROADCAST 32
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#define SO_DONTROUTE 16
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#define SO_ERROR 4103
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#define SO_KEEPALIVE 8
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#define SO_LINGER 128
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#define SO_OOBINLINE 256
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#define SO_RCVBUF 4098
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#define SO_RCVLOWAT 4112
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#define SO_RCVTIMEO 4114
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#define SO_REUSEADDR 4
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#define SO_SNDBUF 4097
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#define SO_SNDLOWAT 4113
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#define SO_SNDTIMEO 4115
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#define SO_TYPE 4104
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38
sysdeps/unix/sysv/linux/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/bits/socket-constants.h
Normal file
@ -0,0 +1,38 @@
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/* Socket constants which vary among Linux architectures.
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Copyright (C) 2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SOCKET_H
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# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
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#endif
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#define SOL_SOCKET 1
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#define SO_ACCEPTCONN 30
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#define SO_BROADCAST 6
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#define SO_DONTROUTE 5
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#define SO_ERROR 4
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#define SO_KEEPALIVE 9
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#define SO_LINGER 13
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#define SO_OOBINLINE 10
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#define SO_RCVBUF 8
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#define SO_RCVLOWAT 18
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#define SO_RCVTIMEO 20
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#define SO_REUSEADDR 2
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#define SO_SNDBUF 7
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#define SO_SNDLOWAT 19
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#define SO_SNDTIMEO 21
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#define SO_TYPE 3
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@ -349,98 +349,12 @@ struct ucred
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};
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#endif
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/* Ugly workaround for unclean kernel headers. */
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#ifndef __USE_MISC
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# ifndef FIOGETOWN
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# define __SYS_SOCKET_H_undef_FIOGETOWN
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# endif
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# ifndef FIOSETOWN
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# define __SYS_SOCKET_H_undef_FIOSETOWN
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# endif
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# ifndef SIOCATMARK
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# define __SYS_SOCKET_H_undef_SIOCATMARK
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# endif
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# ifndef SIOCGPGRP
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# define __SYS_SOCKET_H_undef_SIOCGPGRP
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# endif
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# ifndef SIOCGSTAMP
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# define __SYS_SOCKET_H_undef_SIOCGSTAMP
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# endif
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# ifndef SIOCGSTAMPNS
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# define __SYS_SOCKET_H_undef_SIOCGSTAMPNS
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# endif
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# ifndef SIOCSPGRP
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# define __SYS_SOCKET_H_undef_SIOCSPGRP
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# endif
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#endif
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#ifndef IOCSIZE_MASK
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# define __SYS_SOCKET_H_undef_IOCSIZE_MASK
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#endif
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#ifndef IOCSIZE_SHIFT
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# define __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
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#endif
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#ifndef IOC_IN
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# define __SYS_SOCKET_H_undef_IOC_IN
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#endif
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#ifndef IOC_INOUT
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# define __SYS_SOCKET_H_undef_IOC_INOUT
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#endif
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#ifndef IOC_OUT
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# define __SYS_SOCKET_H_undef_IOC_OUT
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#endif
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/* Get socket manipulation related informations from kernel headers. */
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#include <asm/socket.h>
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#ifndef __USE_MISC
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# ifdef __SYS_SOCKET_H_undef_FIOGETOWN
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# undef __SYS_SOCKET_H_undef_FIOGETOWN
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# undef FIOGETOWN
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# endif
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# ifdef __SYS_SOCKET_H_undef_FIOSETOWN
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# undef __SYS_SOCKET_H_undef_FIOSETOWN
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# undef FIOSETOWN
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# endif
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# ifdef __SYS_SOCKET_H_undef_SIOCATMARK
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# undef __SYS_SOCKET_H_undef_SIOCATMARK
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# undef SIOCATMARK
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# endif
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# ifdef __SYS_SOCKET_H_undef_SIOCGPGRP
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# undef __SYS_SOCKET_H_undef_SIOCGPGRP
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# undef SIOCGPGRP
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# endif
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# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMP
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# undef __SYS_SOCKET_H_undef_SIOCGSTAMP
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# undef SIOCGSTAMP
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# endif
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# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
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# undef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
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# undef SIOCGSTAMPNS
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# endif
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# ifdef __SYS_SOCKET_H_undef_SIOCSPGRP
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# undef __SYS_SOCKET_H_undef_SIOCSPGRP
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# undef SIOCSPGRP
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# endif
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#endif
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#ifdef __SYS_SOCKET_H_undef_IOCSIZE_MASK
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# undef __SYS_SOCKET_H_undef_IOCSIZE_MASK
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# undef IOCSIZE_MASK
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#endif
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#ifdef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
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# undef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
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# undef IOCSIZE_SHIFT
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#endif
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#ifdef __SYS_SOCKET_H_undef_IOC_IN
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# undef __SYS_SOCKET_H_undef_IOC_IN
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# undef IOC_IN
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#endif
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#ifdef __SYS_SOCKET_H_undef_IOC_INOUT
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# undef __SYS_SOCKET_H_undef_IOC_INOUT
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# undef IOC_INOUT
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#endif
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#ifdef __SYS_SOCKET_H_undef_IOC_OUT
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# undef __SYS_SOCKET_H_undef_IOC_OUT
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# undef IOC_OUT
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#ifdef __USE_MISC
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# include <bits/types/time_t.h>
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# include <asm/socket.h>
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#else
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# define SO_DEBUG 1
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# include <bits/socket-constants.h>
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#endif
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/* Structure used to manipulate the SO_LINGER option. */
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38
sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/hppa/bits/socket-constants.h
Normal file
@ -0,0 +1,38 @@
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/* Socket constants which vary among Linux architectures. Version for hppa.
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Copyright (C) 2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
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version 2.1 of the License, or (at your option) any later version.
|
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|
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The GNU C Library is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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Lesser General Public License for more details.
|
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|
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You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_SOCKET_H
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# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
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#endif
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#define SOL_SOCKET 65535
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#define SO_ACCEPTCONN 16412
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#define SO_BROADCAST 32
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#define SO_DONTROUTE 16
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#define SO_ERROR 4103
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#define SO_KEEPALIVE 8
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#define SO_LINGER 128
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#define SO_OOBINLINE 256
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#define SO_RCVBUF 4098
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#define SO_RCVLOWAT 4100
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#define SO_RCVTIMEO 4102
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#define SO_REUSEADDR 4
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#define SO_SNDBUF 4097
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#define SO_SNDLOWAT 4099
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#define SO_SNDTIMEO 4101
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#define SO_TYPE 4104
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38
sysdeps/unix/sysv/linux/mips/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/mips/bits/socket-constants.h
Normal file
@ -0,0 +1,38 @@
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/* Socket constants which vary among Linux architectures. Version for MIPS.
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Copyright (C) 2019 Free Software Foundation, Inc.
|
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This file is part of the GNU C Library.
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|
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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/>. */
|
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#ifndef _SYS_SOCKET_H
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# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
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#endif
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#define SOL_SOCKET 65535
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#define SO_ACCEPTCONN 4105
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#define SO_BROADCAST 32
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#define SO_DONTROUTE 16
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#define SO_ERROR 4103
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#define SO_KEEPALIVE 8
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#define SO_LINGER 128
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#define SO_OOBINLINE 256
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#define SO_RCVBUF 4098
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#define SO_RCVLOWAT 4100
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#define SO_RCVTIMEO 4102
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#define SO_REUSEADDR 4
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#define SO_SNDBUF 4097
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#define SO_SNDLOWAT 4099
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#define SO_SNDTIMEO 4101
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#define SO_TYPE 4104
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38
sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/powerpc/bits/socket-constants.h
Normal file
@ -0,0 +1,38 @@
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/* Socket constants which vary among Linux architectures. Version for POWER.
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Copyright (C) 2019 Free Software Foundation, Inc.
|
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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
|
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# error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
|
||||
#endif
|
||||
|
||||
#define SOL_SOCKET 1
|
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#define SO_ACCEPTCONN 30
|
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#define SO_BROADCAST 6
|
||||
#define SO_DONTROUTE 5
|
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#define SO_ERROR 4
|
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#define SO_KEEPALIVE 9
|
||||
#define SO_LINGER 13
|
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#define SO_OOBINLINE 10
|
||||
#define SO_RCVBUF 8
|
||||
#define SO_RCVLOWAT 16
|
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#define SO_RCVTIMEO 18
|
||||
#define SO_REUSEADDR 2
|
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#define SO_SNDBUF 7
|
||||
#define SO_SNDLOWAT 17
|
||||
#define SO_SNDTIMEO 19
|
||||
#define SO_TYPE 3
|
||||
38
sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h
Normal file
38
sysdeps/unix/sysv/linux/sparc/bits/socket-constants.h
Normal file
@ -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
|
||||
65
sysdeps/unix/sysv/linux/tst-socket-consts.py
Normal file
65
sysdeps/unix/sysv/linux/tst-socket-consts.py
Normal file
@ -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()
|
||||
Loading…
Reference in New Issue
Block a user