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C-API: Constify cache functions where possible (#11243) 

Summary:
Makes it easier to use generated Rust bindings. Constness of these is already part of the C++ API.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11243

Reviewed By: hx235

Differential Revision: D44840394

Pulled By: ajkr

fbshipit-source-id: bcd1aeb8c959c304148d25b00043bb8c4cd3e0a4
This commit is contained in:
Niklas Fiekas 2023-04-10 12:19:40 -07:00 committed by Facebook GitHub Bot
parent c8552d8c63
commit d5a9c0c937
2 changed files with 11 additions and 10 deletions
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10
db/c.cc
View File

@ -4679,7 +4679,7 @@ rocksdb_cache_t* rocksdb_cache_create_lru_with_strict_capacity_limit(
}
rocksdb_cache_t* rocksdb_cache_create_lru_opts(
rocksdb_lru_cache_options_t* opt) {
const rocksdb_lru_cache_options_t* opt) {
rocksdb_cache_t* c = new rocksdb_cache_t;
c->rep = NewLRUCache(opt->rep);
return c;
@ -4726,7 +4726,7 @@ rocksdb_cache_t* rocksdb_cache_create_hyper_clock(
}
rocksdb_cache_t* rocksdb_cache_create_hyper_clock_opts(
rocksdb_hyper_clock_cache_options_t* opts) {
const rocksdb_hyper_clock_cache_options_t* opts) {
rocksdb_cache_t* c = new rocksdb_cache_t;
c->rep = opts->rep.MakeSharedCache();
return c;
@ -4742,15 +4742,15 @@ void rocksdb_cache_set_capacity(rocksdb_cache_t* cache, size_t capacity) {
cache->rep->SetCapacity(capacity);
}
size_t rocksdb_cache_get_capacity(rocksdb_cache_t* cache) {
size_t rocksdb_cache_get_capacity(const rocksdb_cache_t* cache) {
return cache->rep->GetCapacity();
}
size_t rocksdb_cache_get_usage(rocksdb_cache_t* cache) {
size_t rocksdb_cache_get_usage(const rocksdb_cache_t* cache) {
return cache->rep->GetUsage();
}
size_t rocksdb_cache_get_pinned_usage(rocksdb_cache_t* cache) {
size_t rocksdb_cache_get_pinned_usage(const rocksdb_cache_t* cache) {
return cache->rep->GetPinnedUsage();
}

11
include/rocksdb/c.h
View File

@ -2006,7 +2006,7 @@ extern ROCKSDB_LIBRARY_API rocksdb_cache_t* rocksdb_cache_create_lru(
extern ROCKSDB_LIBRARY_API rocksdb_cache_t*
rocksdb_cache_create_lru_with_strict_capacity_limit(size_t capacity);
extern ROCKSDB_LIBRARY_API rocksdb_cache_t* rocksdb_cache_create_lru_opts(
rocksdb_lru_cache_options_t*);
const rocksdb_lru_cache_options_t*);
extern ROCKSDB_LIBRARY_API void rocksdb_cache_destroy(rocksdb_cache_t* cache);
extern ROCKSDB_LIBRARY_API void rocksdb_cache_disown_data(
@ -2014,11 +2014,11 @@ extern ROCKSDB_LIBRARY_API void rocksdb_cache_disown_data(
extern ROCKSDB_LIBRARY_API void rocksdb_cache_set_capacity(
rocksdb_cache_t* cache, size_t capacity);
extern ROCKSDB_LIBRARY_API size_t
rocksdb_cache_get_capacity(rocksdb_cache_t* cache);
rocksdb_cache_get_capacity(const rocksdb_cache_t* cache);
extern ROCKSDB_LIBRARY_API size_t
rocksdb_cache_get_usage(rocksdb_cache_t* cache);
rocksdb_cache_get_usage(const rocksdb_cache_t* cache);
extern ROCKSDB_LIBRARY_API size_t
rocksdb_cache_get_pinned_usage(rocksdb_cache_t* cache);
rocksdb_cache_get_pinned_usage(const rocksdb_cache_t* cache);
extern ROCKSDB_LIBRARY_API size_t
rocksdb_cache_get_table_address_count(const rocksdb_cache_t* cache);
extern ROCKSDB_LIBRARY_API size_t
@ -2046,7 +2046,8 @@ rocksdb_hyper_clock_cache_options_set_memory_allocator(
extern ROCKSDB_LIBRARY_API rocksdb_cache_t* rocksdb_cache_create_hyper_clock(
size_t capacity, size_t estimated_entry_charge);
extern ROCKSDB_LIBRARY_API rocksdb_cache_t*
rocksdb_cache_create_hyper_clock_opts(rocksdb_hyper_clock_cache_options_t*);
rocksdb_cache_create_hyper_clock_opts(
const rocksdb_hyper_clock_cache_options_t*);
/* DBPath */