mirror of
https://git.haproxy.org/git/haproxy.git/
synced 2025-08-10 00:57:02 +02:00
98d22f212a
From Linux 5.17, anonymous regions can be name via prctl/PR_SET_VMA so caches can be identified when looking at HAProxy process memory mapping. The most possible error is lack of kernel support, as a result we ignore it, if the naming fails the mapping of memory context ought to still occur.
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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* include/haproxy/shctx.h - shared context management functions for SSL
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*
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* Copyright (C) 2011-2012 EXCELIANCE
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*
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* Author: Emeric Brun - emeric@exceliance.fr
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __HAPROXY_SHCTX_H
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#define __HAPROXY_SHCTX_H
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#include <haproxy/api.h>
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#include <haproxy/list.h>
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#include <haproxy/shctx-t.h>
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#include <haproxy/thread.h>
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int shctx_init(struct shared_context **orig_shctx,
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int maxblocks, int blocksize, unsigned int maxobjsz,
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int extra, __maybe_unused const char *name);
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struct shared_block *shctx_row_reserve_hot(struct shared_context *shctx,
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struct shared_block *last, int data_len);
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void shctx_row_detach(struct shared_context *shctx, struct shared_block *first);
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void shctx_row_reattach(struct shared_context *shctx, struct shared_block *first);
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int shctx_row_data_append(struct shared_context *shctx,
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struct shared_block *first,
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unsigned char *data, int len);
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int shctx_row_data_get(struct shared_context *shctx, struct shared_block *first,
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unsigned char *dst, int offset, int len);
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/* Lock functions */
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static inline void shctx_rdlock(struct shared_context *shctx)
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{
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HA_RWLOCK_RDLOCK(SHCTX_LOCK, &shctx->lock);
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}
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static inline void shctx_rdunlock(struct shared_context *shctx)
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{
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HA_RWLOCK_RDUNLOCK(SHCTX_LOCK, &shctx->lock);
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}
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static inline void shctx_wrlock(struct shared_context *shctx)
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{
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HA_RWLOCK_WRLOCK(SHCTX_LOCK, &shctx->lock);
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}
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static inline void shctx_wrunlock(struct shared_context *shctx)
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{
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HA_RWLOCK_WRUNLOCK(SHCTX_LOCK, &shctx->lock);
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}
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/* List Macros */
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/*
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* Insert <s> block after <head> which is not necessarily the head of a list,
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* so between <head> and the next element after <head>.
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*/
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static inline void shctx_block_append_hot(struct shared_context *shctx,
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struct shared_block *first,
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struct shared_block *s)
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{
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shctx->nbav--;
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LIST_DELETE(&s->list);
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LIST_APPEND(&first->list, &s->list);
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}
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static inline struct shared_block *shctx_block_detach(struct shared_context *shctx,
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struct shared_block *s)
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{
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shctx->nbav--;
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LIST_DELETE(&s->list);
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LIST_INIT(&s->list);
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return s;
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}
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#endif /* __HAPROXY_SHCTX_H */
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