11a1589223
Files which are installed as-is (any .service and other unit files, .conf files, .policy files, etc), are left as is. My assumption is that SPDX identifiers are not yet that well known, so it's better to retain the extended header to avoid any doubt. I also kept any copyright lines. We can probably remove them, but it'd nice to obtain explicit acks from all involved authors before doing that.
41 lines
1 KiB
C
41 lines
1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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***/
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#include <stdbool.h>
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#include <sys/stat.h>
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/* One context per object type, plus one of the header, plus one "additional" one */
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#define MMAP_CACHE_MAX_CONTEXTS 9
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typedef struct MMapCache MMapCache;
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typedef struct MMapFileDescriptor MMapFileDescriptor;
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MMapCache* mmap_cache_new(void);
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MMapCache* mmap_cache_ref(MMapCache *m);
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MMapCache* mmap_cache_unref(MMapCache *m);
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int mmap_cache_get(
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MMapCache *m,
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MMapFileDescriptor *f,
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int prot,
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unsigned context,
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bool keep_always,
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uint64_t offset,
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size_t size,
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struct stat *st,
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void **ret,
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size_t *ret_size);
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MMapFileDescriptor * mmap_cache_add_fd(MMapCache *m, int fd);
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void mmap_cache_free_fd(MMapCache *m, MMapFileDescriptor *f);
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unsigned mmap_cache_get_hit(MMapCache *m);
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unsigned mmap_cache_get_missed(MMapCache *m);
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bool mmap_cache_got_sigbus(MMapCache *m, MMapFileDescriptor *f);
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