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-rw-r--r--src/H5PL.c166
1 files changed, 92 insertions, 74 deletions
diff --git a/src/H5PL.c b/src/H5PL.c
index f4cd3e7..4c35c09 100644
--- a/src/H5PL.c
+++ b/src/H5PL.c
@@ -16,8 +16,7 @@
/* Module Setup */
/****************/
-/* Interface initialization */
-#define H5_INTERFACE_INIT_FUNC H5PL__init_interface
+#include "H5PLmodule.h" /* This source code file is part of the H5PL module */
/***********/
@@ -52,7 +51,6 @@
* If you do not do this, people will be unable to incorporate our
* source code into their own CMake builds if they define UNICODE.
*/
-
#ifdef H5_HAVE_WIN32_API
#define H5PL_PATH_SEPARATOR ";"
@@ -103,6 +101,7 @@ typedef const void *(*H5PL_get_plugin_info_t)(void);
/* Special symbol to indicate no plugin loading */
#define H5PL_NO_PLUGIN "::"
+
/******************/
/* Local Typedefs */
/******************/
@@ -130,6 +129,9 @@ static herr_t H5PL__close(H5PL_HANDLE handle);
/* Package Variables */
/*********************/
+/* Package initialization variable */
+hbool_t H5_PKG_INIT_VAR = FALSE;
+
/*****************************/
/* Library Private Variables */
@@ -153,36 +155,94 @@ static hbool_t H5PL_path_found_g = FALSE;
/* Enable all plugin libraries */
static unsigned int H5PL_plugin_g = H5PL_ALL_PLUGIN;
+
/*--------------------------------------------------------------------------
NAME
- H5PL__init_interface -- Initialize interface-specific information
+ H5PL__init_package -- Initialize interface-specific information
USAGE
- herr_t H5PL__init_interface()
+ herr_t H5PL__init_package()
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Initializes any interface-specific data or routines.
--------------------------------------------------------------------------*/
-static herr_t
-H5PL__init_interface(void)
+herr_t
+H5PL__init_package(void)
{
char *preload_path;
- FUNC_ENTER_STATIC_NOERR
+ FUNC_ENTER_PACKAGE_NOERR
/* Retrieve pathnames from HDF5_PLUGIN_PRELOAD if the user sets it
* to tell the library to load plugin libraries without search.
*/
- if(NULL != (preload_path = HDgetenv("HDF5_PLUGIN_PRELOAD"))) {
+ if(NULL != (preload_path = HDgetenv("HDF5_PLUGIN_PRELOAD")))
/* Special symbal "::" means no plugin during data reading. */
if(!HDstrcmp(preload_path, H5PL_NO_PLUGIN))
H5PL_plugin_g = 0;
- } /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5PL__init_interface() */
+} /* end H5PL__init_package() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5PL_term_package
+ *
+ * Purpose: Terminate the H5PL interface: release all memory, reset all
+ * global variables to initial values. This only happens if all
+ * types have been destroyed from other interfaces.
+ *
+ * Return: Success: Positive if any action was taken that might
+ * affect some other interface; zero otherwise.
+ * Failure: Negative.
+ *
+ * Programmer: Raymond Lu
+ * 20 February 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5PL_term_package(void)
+{
+ int n = 0;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ if(H5_PKG_INIT_VAR) {
+ size_t u; /* Local index variable */
+
+ /* Close opened dynamic libraries */
+ if(H5PL_table_g) {
+ for(u = 0; u < H5PL_table_used_g; u++)
+ H5PL__close((H5PL_table_g[u]).handle);
+
+ /* Free the table of dynamic libraries */
+ H5PL_table_g = (H5PL_table_t *)H5MM_xfree(H5PL_table_g);
+ H5PL_table_used_g = H5PL_table_alloc_g = 0;
+
+ n++;
+ } /* end if */
+
+ /* Free the table of search paths */
+ if(H5PL_num_paths_g > 0) {
+ for(u = 0; u < H5PL_num_paths_g; u++)
+ if(H5PL_path_table_g[u])
+ H5PL_path_table_g[u] = (char *)H5MM_xfree(H5PL_path_table_g[u]);
+ H5PL_num_paths_g = 0;
+ H5PL_path_found_g = FALSE;
+
+ n++;
+ } /* end if */
+
+ /* Mark the interface as uninitialized */
+ if(0 == n)
+ H5_PKG_INIT_VAR = FALSE;
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(n)
+} /* end H5PL_term_package() */
/*-------------------------------------------------------------------------
@@ -209,21 +269,24 @@ H5PLset_loading_state(unsigned int plugin_type)
{
char *preload_path;
herr_t ret_value = SUCCEED; /* Return value */
+
FUNC_ENTER_API(FAIL)
H5TRACE1("e", "Iu", plugin_type);
+
/* change the bit value of the requested plugin type(s) */
H5PL_plugin_g = plugin_type;
+
/* check if special ENV variable is set and disable all plugin types */
- if(NULL != (preload_path = HDgetenv("HDF5_PLUGIN_PRELOAD"))) {
+ if(NULL != (preload_path = HDgetenv("HDF5_PLUGIN_PRELOAD")))
/* Special symbol "::" means no plugin during data reading. */
if(!HDstrcmp(preload_path, H5PL_NO_PLUGIN))
H5PL_plugin_g = 0;
- }
+
done:
FUNC_LEAVE_API(ret_value)
} /* end H5PLset_loading_state() */
-
+
/*-------------------------------------------------------------------------
* Function: H5PLget_loading_state
*
@@ -240,66 +303,17 @@ herr_t
H5PLget_loading_state(unsigned int *plugin_type)
{
herr_t ret_value = SUCCEED; /* Return value */
+
FUNC_ENTER_API(FAIL)
H5TRACE1("e", "*Iu", plugin_type);
if(plugin_type)
*plugin_type = H5PL_plugin_g;
- done:
+
+done:
FUNC_LEAVE_API(ret_value)
} /* end H5PLget_loading_state() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5PL_term_interface
- *
- * Purpose: Terminate the H5PL interface: release all memory, reset all
- * global variables to initial values. This only happens if all
- * types have been destroyed from other interfaces.
- *
- * Return: Success: Positive if any action was taken that might
- * affect some other interface; zero otherwise.
- *
- * Failure: Negative.
- *
- * Programmer: Raymond Lu
- * 20 February 2013
- *
- *-------------------------------------------------------------------------
- */
-int
-H5PL_term_interface(void)
-{
- int i = 0;
-
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- if(H5_interface_initialize_g) {
- size_t u; /* Local index variable */
-
- /* Close opened dynamic libraries */
- for(u = 0; u < H5PL_table_used_g; u++)
- H5PL__close((H5PL_table_g[u]).handle);
-
- /* Free the table of dynamic libraries */
- H5PL_table_g = (H5PL_table_t *)H5MM_xfree(H5PL_table_g);
- H5PL_table_used_g = H5PL_table_alloc_g = 0;
-
- /* Free the table of search paths */
- for(u = 0; u < H5PL_num_paths_g; u++)
- if(H5PL_path_table_g[u])
- H5PL_path_table_g[u] = (char *)H5MM_xfree(H5PL_path_table_g[u]);
- H5PL_num_paths_g = 0;
- H5PL_path_found_g = FALSE;
-
- H5_interface_initialize_g = 0;
- i = 1;
- } /* end if */
-
- FUNC_LEAVE_NOAPI(i)
-} /* end H5PL_term_interface() */
-
/*-------------------------------------------------------------------------
* Function: H5PL_load
@@ -324,14 +338,17 @@ H5PL_load(H5PL_type_t type, int id)
FUNC_ENTER_NOAPI(NULL)
- switch (type) {
- case H5PL_TYPE_FILTER:
- if((H5PL_plugin_g & H5PL_FILTER_PLUGIN) == 0)
- HGOTO_ERROR(H5E_PLUGIN, H5E_CANTLOAD, NULL, "required dynamically loaded plugin filter '%d' is not available", id)
- break;
- default:
- HGOTO_ERROR(H5E_PLUGIN, H5E_CANTLOAD, NULL, "required dynamically loaded plugin '%d' is not valid", id)
- }
+ switch(type) {
+ case H5PL_TYPE_FILTER:
+ if((H5PL_plugin_g & H5PL_FILTER_PLUGIN) == 0)
+ HGOTO_ERROR(H5E_PLUGIN, H5E_CANTLOAD, NULL, "required dynamically loaded plugin filter '%d' is not available", id)
+ break;
+
+ case H5PL_TYPE_ERROR:
+ case H5PL_TYPE_NONE:
+ default:
+ HGOTO_ERROR(H5E_PLUGIN, H5E_CANTLOAD, NULL, "required dynamically loaded plugin '%d' is not valid", id)
+ } /* end switch */
/* Initialize the location paths for dynamic libraries, if they aren't
* already set up.
@@ -724,3 +741,4 @@ H5PL__close(H5PL_HANDLE handle)
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5PL__close() */
+