/usr/include/lv2dynparam1/lv2dynparam/lv2_rtmempool.h is in liblv2dynparam1-dev 2-6.
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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /* -*- Mode: C ; c-basic-offset: 2 -*- */
/*****************************************************************************
*
* This work is in public domain.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* If you have questions, contact Nedko Arnaudov <nedko@arnaudov.name> or
* ask in #lad channel, FreeNode IRC network.
*
*****************************************************************************/
/**
* @file lv2_rtmempool.h
* @brief LV2 realtime safe memory pool extension definition
*
*/
#ifndef LV2_RTMEMPOOL_H__8914012A_720D_4EAC_B0DB_6F93F2B47975__INCLUDED
#define LV2_RTMEMPOOL_H__8914012A_720D_4EAC_B0DB_6F93F2B47975__INCLUDED
#define LV2_RTSAFE_MEMORY_POOL_URI "http://home.gna.org/lv2dynparam/rtmempool/v1"
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* Adjust editor indent */
#endif
/** opaque handle to memory pool */
typedef struct { /** fake */ int unused; } * lv2_rtsafe_memory_pool_handle;
/** max size of memory pool name, in chars, including terminating zero char */
#define LV2_RTSAFE_MEMORY_POOL_NAME_MAX 128
/** structure, pointer to which is to be supplied as @c data member of ::LV2_Feature */
struct lv2_rtsafe_memory_pool_provider
{
/**
* This function is called when plugin wants to create memory pool
*
* <b>may/will sleep</b>
*
* @param pool_name pool name, for debug purposes, max RTSAFE_MEMORY_POOL_NAME_MAX chars, including terminating zero char. May be NULL.
* @param data_size memory chunk size
* @param min_preallocated min chunks preallocated
* @param max_preallocated chunks preallocated
* @param pool_ptr pointer to variable receiving handle to newly created pool object
*
* @return Success status
* @retval Non-zero - success
* @retval Zero - error
*/
unsigned char
(*create)(
const char * pool_name,
size_t data_size, /* chunk size */
size_t min_preallocated, /* min chunks preallocated */
size_t max_preallocated, /* max chunks preallocated */
lv2_rtsafe_memory_pool_handle * pool_ptr);
/**
* This function is called when plugin wants to destroy previously created memory pool
*
* <b>may/will sleep</b>
*
* @param pool handle to pool object
*/
void
(*destroy)(
lv2_rtsafe_memory_pool_handle pool);
/**
* This function is called when plugin wants to allocate memory in context where sleeping is not allowed
*
* <b>will not sleep</b>
*
* @param pool handle to pool object
*
* @return Pointer to allocated memory or NULL if memory no memory is available
*/
void *
(*allocate_atomic)(
lv2_rtsafe_memory_pool_handle pool);
/**
* This function is called when plugin wants to allocate memory in context where sleeping is allowed
*
* <b>may/will sleep</b>
*
* @param pool handle to pool object
*
* @return Pointer to allocated memory or NULL if memory no memory is available (should not happen under normal conditions)
*/
void *
(*allocate_sleepy)(
lv2_rtsafe_memory_pool_handle pool);
/**
* This function is called when plugin wants to deallocate previously allocated memory
*
* <b>will not sleep</b>
*
* @param pool handle to pool object
* @param memory_ptr pointer to previously allocated memory chunk
*/
/* will not sleep */
void
(*deallocate)(
lv2_rtsafe_memory_pool_handle pool,
void * memory_ptr);
};
#if 0
{ /* Adjust editor indent */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* #ifndef LV2_RTMEMPOOL_H__8914012A_720D_4EAC_B0DB_6F93F2B47975__INCLUDED */
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