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7854ebf8ed
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.
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* 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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