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93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
#ifndef __MODULES_H
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#define __MODULES_H
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#define MODULE_DATA_INIT(rec) \
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(rec)->module_data = g_hash_table_new(g_str_hash, g_str_equal)
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#define MODULE_DATA_DEINIT(rec) \
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g_hash_table_destroy((rec)->module_data)
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#define MODULE_DATA_SET(rec, data) \
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g_hash_table_insert((rec)->module_data, MODULE_NAME, data)
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#define MODULE_DATA_UNSET(rec) \
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g_hash_table_remove((rec)->module_data, MODULE_NAME)
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#define MODULE_DATA(rec) \
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g_hash_table_lookup((rec)->module_data, MODULE_NAME)
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#ifdef HAVE_GMODULE
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# define MODULE_IS_STATIC(rec) \
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((rec)->gmodule == NULL)
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#else
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# define MODULE_IS_STATIC(rec) TRUE
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#endif
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enum {
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MODULE_ERROR_ALREADY_LOADED,
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MODULE_ERROR_LOAD,
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MODULE_ERROR_VERSION_MISMATCH,
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MODULE_ERROR_INVALID
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};
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typedef struct _MODULE_REC MODULE_REC;
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typedef struct {
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MODULE_REC *root;
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char *name;
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char *defined_module_name;
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void (*module_deinit) (void);
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#ifdef HAVE_GMODULE
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GModule *gmodule; /* static, if NULL */
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#endif
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unsigned int initialized:1;
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} MODULE_FILE_REC;
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struct _MODULE_REC {
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char *name;
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GSList *files; /* list of modules that belong to this root module */
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};
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extern GSList *modules;
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/* Register a new module. The `name' is the root module name, `submodule'
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specifies the current module to be registered (eg. "perl", "fe").
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The module is registered as statically loaded by default. */
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MODULE_FILE_REC *module_register_full(const char *name, const char *submodule,
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const char *defined_module_name);
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#define module_register(name, submodule) \
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module_register_full(name, submodule, MODULE_NAME)
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MODULE_REC *module_find(const char *name);
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MODULE_FILE_REC *module_file_find(MODULE_REC *module, const char *name);
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#define MODULE_CHECK_CAST(object, cast, type_field, id) \
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((cast *) module_check_cast(object, offsetof(cast, type_field), id))
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#define MODULE_CHECK_CAST_MODULE(object, cast, type_field, module, id) \
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((cast *) module_check_cast_module(object, \
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offsetof(cast, type_field), module, id))
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void *module_check_cast(void *object, int type_pos, const char *id);
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void *module_check_cast_module(void *object, int type_pos,
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const char *module, const char *id);
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/* return unique number across all modules for `id' */
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int module_get_uniq_id(const char *module, int id);
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/* return unique number across all modules for `id'. */
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int module_get_uniq_id_str(const char *module, const char *id);
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/* returns the original module specific id, -1 = not found */
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int module_find_id(const char *module, int uniqid);
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/* returns the original module specific id, NULL = not found */
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const char *module_find_id_str(const char *module, int uniqid);
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/* Destroy unique IDs from `module'. This function is automatically called
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when module is destroyed with module's name as the parameter. */
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void module_uniq_destroy(const char *module);
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void modules_init(void);
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void modules_deinit(void);
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#endif
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