66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
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#!/usr/bin/python3
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# Test that glibc's sys/socket.h SO_* constants match the kernel's.
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# Copyright (C) 2018-2022 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
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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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#
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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
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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import argparse
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import sys
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import glibcextract
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def main():
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"""The main entry point."""
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parser = argparse.ArgumentParser(
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description="Test that glibc's sys/socket.h constants "
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"match the kernel's.")
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parser.add_argument('--cc', metavar='CC',
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help='C compiler (including options) to use')
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args = parser.parse_args()
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def check(define):
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return glibcextract.compare_macro_consts(
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source_1=define + '#include <sys/socket.h>\n',
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# Some constants in <asm/socket.h> may depend on the size
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# of pid_t or time_t.
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source_2='#include <sys/types.h>\n'
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'#include <asm/socket.h>\n',
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cc=args.cc,
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# We cannot compare all macros because some macros cannot
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# be expanded as constants, and glibcextract currently is
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# not able to isolate errors.
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macro_re='SOL?_.*',
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# <sys/socket.h> and <asm/socket.h> are not a good match.
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# Most socket-related constants are not defined in any
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# UAPI header. Check only the intersection of the macros
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# in both headers. Regular tests ensure that expected
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# macros for _GNU_SOURCE are present, and the conformance
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# tests cover most of the other modes.
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allow_extra_1=True,
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allow_extra_2=True)
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# _GNU_SOURCE is defined by include/libc-symbols.h, which is
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# included by the --cc command. Defining _ISOMAC does not prevent
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# that.
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status = max(
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check(''),
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check('#undef _GNU_SOURCE\n'),
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check('#undef _GNU_SOURCE\n'
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'#define _POSIX_SOURCE 1\n'))
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sys.exit(status)
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if __name__ == '__main__':
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main()
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