Subversion
svn_cache_config.h
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1 /**
2  * @copyright
3  * ====================================================================
4  * Licensed to the Apache Software Foundation (ASF) under one
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9  * "License"); you may not use this file except in compliance
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12  * http://www.apache.org/licenses/LICENSE-2.0
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17  * KIND, either express or implied. See the License for the
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21  * @endcopyright
22  *
23  * @file svn_cache_config.h
24  * @brief Configuration interface to internal Subversion caches.
25  */
26 
27 #ifndef SVN_CACHE_CONFIG_H
28 #define SVN_CACHE_CONFIG_H
29 
30 #include <apr.h>
31 #include "svn_types.h"
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif /* __cplusplus */
36 
37 /** @defgroup svn_fs_cache_config caching configuration
38  * @{
39  * @since New in 1.7. */
40 
41 /** Cache resource settings. It controls what caches, in what size and
42  how they will be created. The settings apply for the whole process.
43 
44  @note Do not extend this data structure as this would break binary
45  compatibility.
46 
47  @since New in 1.7.
48  */
49 typedef struct svn_cache_config_t
50 {
51  /** total cache size in bytes. Please note that this is only soft limit
52  to the total application memory usage and will be exceeded due to
53  temporary objects and other program state.
54  May be 0, resulting in default caching code being used. */
55  apr_uint64_t cache_size;
56 
57  /** maximum number of files kept open */
58  apr_size_t file_handle_count;
59 
60  /** is this application guaranteed to be single-threaded? */
62 
63  /* DON'T add new members here. Bump struct and API version instead. */
65 
66 /** Get the current cache configuration. If it has not been set,
67  this function will return the default settings.
68 
69  @since New in 1.7.
70  */
71 const svn_cache_config_t *
73 
74 /** Set the cache configuration. Please note that it may not change
75  the actual configuration *in use*. Therefore, call it before reading
76  data from any repo and call it only once.
77 
78  This function is not thread-safe. Therefore, it should be called
79  from the processes' initialization code only.
80 
81  @since New in 1.7.
82  */
83 void
85 
86 /** @} */
87 
88 /** @} */
89 
90 
91 #ifdef __cplusplus
92 }
93 #endif /* __cplusplus */
94 
95 #endif /* SVN_CACHE_CONFIG_H */
struct svn_cache_config_t svn_cache_config_t
Cache resource settings.
svn_boolean_t single_threaded
is this application guaranteed to be single-threaded?
apr_size_t file_handle_count
maximum number of files kept open
Cache resource settings.
const svn_cache_config_t * svn_cache_config_get(void)
Get the current cache configuration.
void svn_cache_config_set(const svn_cache_config_t *settings)
Set the cache configuration.
Subversion&#39;s data types.
apr_uint64_t cache_size
total cache size in bytes.
int svn_boolean_t
YABT: Yet Another Boolean Type.
Definition: svn_types.h:139