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f90218886f
The new PRELOAD_FDS variable accepts a list of file descriptors that should be loaded into the process. This may be used to optimize a loading process - in the case when we already have a file descriptor to the library; we don't have to look into multiple PATH to find it. It may also be used in capability mode to load a single additional library without the need to open a directory that contains it. The last use of this functionality t may be a race-free method of loading libraries. Reviewed by: kib, markj Differential Revision: https://reviews.freebsd.org/D29334
43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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* Copyright 2014 Jonathan Anderson.
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* Copyright 2021 Mariusz Zaborski <oshogbo@vexillium.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LD_COMMON_H_
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#define _LD_COMMON_H_
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#define TARGET_ELF_NAME "target"
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#define TARGET_LIBRARY "libpythagoras.so.0"
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void expect_success(int binary, char *senv);
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void expect_missing_library(int binary, char *senv);
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void try_to_run(int binary, int expected_exit_status, char * const *env,
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const char *expected_out, const char *expected_err);
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int opendir(const char *name);
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int opendirat(int parent, const char *name);
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#endif /* _LD_COMMON_H_ */
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