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374b442cbc
The type is the only element needed by applet.h and hlua.h, while hlua.c needs the various functions. XREF_BUSY was placed into the types as well since it's better to have the special values there.
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*
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* include/haproxy/xref-t.h
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* Atomic cross-references between two elements - types
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*
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* Copyright (C) 2017 Thierry Fournier <thierry.fournier@ozon.io>
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* Copyright (C) 2020 Willy Tarreau - w@1wt.eu
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __HAPROXY_XREF_T_H__
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#define __HAPROXY_XREF_T_H__
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/* xref is used to create relation between two elements.
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* Once an element is released, it breaks the relation. If the
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* relation is already broken, it frees the xref struct.
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* The pointer between two elements is sort of a refcount with
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* max value 1. The relation is only between two elements.
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* The pointer and the type of elements a and b are conventional.
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*/
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#define XREF_BUSY ((struct xref *)1)
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struct xref {
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struct xref *peer;
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};
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#endif /* __HAPROXY_XREF_T_H__ */
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