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e6209940de
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright 2003 Alexander Kabaev.
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* All rights reserved.
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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 _RTLD_LOCK_H_
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#define _RTLD_LOCK_H_
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#define RTLI_VERSION 0x01
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#define MAX_RTLD_LOCKS 8
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struct RtldLockInfo
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{
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unsigned int rtli_version;
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void *(*lock_create)(void);
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void (*lock_destroy)(void *);
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void (*rlock_acquire)(void *);
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void (*wlock_acquire)(void *);
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void (*lock_release)(void *);
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int (*thread_set_flag)(int);
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int (*thread_clr_flag)(int);
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void (*at_fork)(void);
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};
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extern void _rtld_thread_init(struct RtldLockInfo *) __exported;
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extern void _rtld_atfork_pre(int *) __exported;
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extern void _rtld_atfork_post(int *) __exported;
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#ifdef IN_RTLD
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struct rtld_lock;
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typedef struct rtld_lock *rtld_lock_t;
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extern rtld_lock_t rtld_bind_lock;
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extern rtld_lock_t rtld_libc_lock;
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extern rtld_lock_t rtld_phdr_lock;
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#define RTLD_LOCK_UNLOCKED 0
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#define RTLD_LOCK_RLOCKED 1
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#define RTLD_LOCK_WLOCKED 2
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struct Struct_RtldLockState;
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typedef struct Struct_RtldLockState RtldLockState;
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void rlock_acquire(rtld_lock_t, RtldLockState *);
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void wlock_acquire(rtld_lock_t, RtldLockState *);
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void lock_release(rtld_lock_t, RtldLockState *);
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void lock_upgrade(rtld_lock_t, RtldLockState *);
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void lock_restart_for_upgrade(RtldLockState *);
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#endif /* IN_RTLD */
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#endif
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