/usr/include/bse/gsldatacache.hh is in libbse-dev 0.7.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // Licensed GNU LGPL v2.1 or later: http://www.gnu.org/licenses/lgpl.html
#ifndef __GSL_DATA_CACHE_H__
#define __GSL_DATA_CACHE_H__
#include <bse/gslcommon.hh>
G_BEGIN_DECLS
/* --- macros --- */
#define GSL_DATA_CACHE_NODE_SIZE(dcache) (((GslDataCache*) (dcache))->node_size)
/* --- typedefs & structures --- */
typedef gfloat GslDataType;
typedef struct _GslDataCacheNode GslDataCacheNode;
struct _GslDataCache
{
GslDataHandle *dhandle;
guint open_count;
BirnetMutex mutex;
guint ref_count;
guint node_size; /* power of 2, const for all dcaches */
guint padding; /* n_values around blocks */
guint max_age;
gboolean high_persistency; /* valid for opened caches only */
guint n_nodes;
GslDataCacheNode **nodes;
};
struct _GslDataCacheNode
{
int64 offset;
guint ref_count;
guint age;
GslDataType *data; /* NULL while busy */
};
typedef enum
{
GSL_DATA_CACHE_REQUEST = FALSE, /* node->data may be NULL and will be filled */
GSL_DATA_CACHE_DEMAND_LOAD = TRUE, /* blocks until node->data != NULL */
GSL_DATA_CACHE_PEEK = 2 /* may return NULL node, data != NULL otherwise */
} GslDataCacheRequest;
/* --- prototypes --- */
GslDataCache* gsl_data_cache_new (GslDataHandle *dhandle,
guint padding);
GslDataCache* gsl_data_cache_ref (GslDataCache *dcache);
void gsl_data_cache_unref (GslDataCache *dcache);
void gsl_data_cache_open (GslDataCache *dcache);
void gsl_data_cache_close (GslDataCache *dcache);
GslDataCacheNode* gsl_data_cache_ref_node (GslDataCache *dcache,
int64 offset,
GslDataCacheRequest load_request);
void gsl_data_cache_unref_node (GslDataCache *dcache,
GslDataCacheNode *node);
void gsl_data_cache_free_olders (GslDataCache *dcache,
guint max_age);
GslDataCache* gsl_data_cache_from_dhandle (GslDataHandle *dhandle,
guint min_padding);
G_END_DECLS
#endif /* __GSL_DATA_CACHE_H__ */
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