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-rw-r--r--src/H5FDpublic.h88
1 files changed, 86 insertions, 2 deletions
diff --git a/src/H5FDpublic.h b/src/H5FDpublic.h
index 0fcfcf3..7794f24 100644
--- a/src/H5FDpublic.h
+++ b/src/H5FDpublic.h
@@ -329,29 +329,113 @@ struct H5FD_t {
hbool_t paged_aggr; /* Paged aggregation for file space is enabled or not */
};
-/* Define enum for the source of file image callbacks */
+/**
+ * Define enum for the source of file image callbacks
+ */
+//! <!-- [H5FD_file_image_op_t_snip] -->
typedef enum {
H5FD_FILE_IMAGE_OP_NO_OP,
H5FD_FILE_IMAGE_OP_PROPERTY_LIST_SET,
+ /**< Passed to the \p image_malloc and \p image_memcpy callbacks when a
+ * file image buffer is to be copied while being set in a file access
+ * property list (FAPL)*/
H5FD_FILE_IMAGE_OP_PROPERTY_LIST_COPY,
+ /**< Passed to the \p image_malloc and \p image_memcpy callbacks
+ * when a file image buffer is to be copied when a FAPL is copied*/
H5FD_FILE_IMAGE_OP_PROPERTY_LIST_GET,
+ /**<Passed to the \p image_malloc and \p image_memcpy callbacks when
+ * a file image buffer is to be copied while being retrieved from a FAPL*/
H5FD_FILE_IMAGE_OP_PROPERTY_LIST_CLOSE,
+ /**<Passed to the \p image_free callback when a file image
+ * buffer is to be released during a FAPL close operation*/
H5FD_FILE_IMAGE_OP_FILE_OPEN,
+ /**<Passed to the \p image_malloc and
+ * \p image_memcpy callbackswhen a
+ * file image buffer is to be copied during a file open operation \n
+ * While the file image being opened will typically be copied from a
+ * FAPL, this need not always be the case. For example, the core file
+ * driver, also known as the memory file driver, takes its initial
+ * image from a file.*/
H5FD_FILE_IMAGE_OP_FILE_RESIZE,
+ /**<Passed to the \p image_realloc callback when a file driver needs
+ * to resize an image buffer*/
H5FD_FILE_IMAGE_OP_FILE_CLOSE
+ /**<Passed to the \p image_free callback when an image buffer is to
+ * be released during a file close operation*/
} H5FD_file_image_op_t;
+//! <!-- [H5FD_file_image_op_t_snip] -->
-/* Define structure to hold file image callbacks */
+/**
+ * Define structure to hold file image callbacks
+ */
+//! <!-- [H5FD_file_image_callbacks_t_snip] -->
typedef struct {
+ /**
+ * \param[in] size Size in bytes of the file image buffer to allocate
+ * \param[in] file_image_op A value from H5FD_file_image_op_t indicating
+ * the operation being performed on the file image
+ * when this callback is invoked
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [image_malloc_snip] -->
void *(*image_malloc)(size_t size, H5FD_file_image_op_t file_image_op, void *udata);
+ //! <!-- [image_malloc_snip] -->
+ /**
+ * \param[in] dest Address of the destination buffer
+ * \param[in] src Address of the source buffer
+ * \param[in] file_image_op A value from #H5FD_file_image_op_t indicating
+ * the operation being performed on the file image
+ * when this callback is invoked
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [image_memcpy_snip] -->
void *(*image_memcpy)(void *dest, const void *src, size_t size, H5FD_file_image_op_t file_image_op,
void *udata);
+ //! <!-- [image_memcpy_snip] -->
+ /**
+ * \param[in] ptr Pointer to the buffer being reallocated
+ * \param[in] file_image_op A value from #H5FD_file_image_op_t indicating
+ * the operation being performed on the file image
+ * when this callback is invoked
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [image_realloc_snip] -->
void *(*image_realloc)(void *ptr, size_t size, H5FD_file_image_op_t file_image_op, void *udata);
+ //! <!-- [image_realloc_snip] -->
+ /**
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [image_free_snip] -->
herr_t (*image_free)(void *ptr, H5FD_file_image_op_t file_image_op, void *udata);
+ //! <!-- [image_free_snip] -->
+ /**
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [udata_copy_snip] -->
void *(*udata_copy)(void *udata);
+ //! <!-- [udata_copy_snip] -->
+ /**
+ * \param[in] udata Value passed in in the H5Pset_file_image_callbacks
+ * parameter \p udata
+ */
+ //! <!-- [udata_free_snip] -->
herr_t (*udata_free)(void *udata);
+ //! <!-- [udata_free_snip] -->
+ /**
+ * \brief The final field in the #H5FD_file_image_callbacks_t struct,
+ * provides a pointer to user-defined data. This pointer will be
+ * passed to the image_malloc, image_memcpy, image_realloc, and
+ * image_free callbacks. Define udata as NULL if no user-defined
+ * data is provided.
+ */
void *udata;
} H5FD_file_image_callbacks_t;
+//! <!-- [H5FD_file_image_callbacks_t_snip] -->
#ifdef __cplusplus
extern "C" {