Version 0.1.10 from FTP

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@383 f38db490-d61c-443f-a65b-d21fe96a405b

include/asterisk/module.h

@@ -20,14 +20,51 @@ extern "C" {
 
 /* Every module must provide these functions */
 
-int load_module(void);			/* Initialize the module */
-int unload_module(void);		/* Cleanup all module structures, 
-					   sockets, etc */
-int usecount(void);			/* How many channels provided by this module are in use? */
-char *description(void);		/* Description of this module */
-char *key(void);		/* Return the below mentioned key, unmodified */
+//! Initialize the module
+/*!
+ * This function is called at module load time.  Put all code in here
+ * that needs to set up your module's hardware, software, registrations,
+ * etc.
+ */
+int load_module(void);
 
-int reload(void);		/* reload configs */
+//! Cleanup all module structures, sockets, etc
+/*!
+ * This is called at exit.  Any registrations and memory allocations need
+ * to be unregistered and free'd here.  Nothing else will do these for you (until exit).
+ * Return 0 on success, or other than 0 if there is a problem.
+ */
+int unload_module(void);
+
+//! Provides a usecount
+/*!
+ * This function will be called by various parts of asterisk.  Basically, all it has
+ * to do is to return a usecount when called.  You will need to maintain your usecount
+ * within the module somewhere.
+ */
+int usecount(void);			/*! How many channels provided by this module are in use? */
+
+//! Description
+/*!
+ * Returns a short description of your module.
+ */
+char *description(void);		/*! Description of this module */
+
+//! Returns the ASTERISK_GPL_KEY
+/*!
+ * This returns the ASTERISK_GPL_KEY, signifiying that you agree to the terms of
+ * the GPL stated in the ASTERISK_GPL_KEY.  Your module will not load if it does
+ * not return the EXACT message, i.e.  char *key(void){return ASTERISK_GPL_KEY;}
+ */
+char *key(void);		/*! Return the below mentioned key, unmodified */
+
+//! Reload stuff
+/*!
+ * This function is where any reload routines take place.  Re-read config files,
+ * change signalling, whatever is appropriate on a reload.
+ * Return 0 on success, and other than 0 on problem.
+ */
+int reload(void);		/*! reload configs */
 
 #define ASTERISK_GPL_KEY \
 	"This paragraph is Copyright (C) 2000, Linux Support Services, Inc.  \
@@ -37,31 +74,70 @@ the GNU General Public License version 2 or later (at your option).   Linux \
 Support Services, Inc. reserves the right to allow other parties to license \
 this paragraph under other terms as well."
 
-#define AST_MODULE_CONFIG "modules.conf" /* Module configuration file */
+#define AST_MODULE_CONFIG "modules.conf" /*! Module configuration file */
 
 #define AST_FORCE_SOFT 0
 #define AST_FORCE_FIRM 1
 #define AST_FORCE_HARD 2
 
-/* Load a module */
+//! Loads a module
+/*! 
+ * \param resource_name the filename of the module to load
+ * This function is ran by the PBX to load the modules.  It performs
+ * all loading, setting up of it's module related data structures, etc.
+ * Basically, to load a module, you just give it the name of the module and
+ * it will do the rest.
+ * It returns 0 on success, -1 on error
+ */
 int ast_load_resource(char *resource_name);
 
-/* Unload a module.  Force unloading a module is not recommended. */
+//! Unloads a module
+/*! 
+ * \param resourcename the name of the module to unload
+ * \param force the force flag.  Setting this to non-zero will force the module to be unloaded
+ * This function unloads a particular module.  If the force flag is not set,
+ * it will not unload a module with a usecount > 0.  However, if it is set,
+ * it will unload the module regardless of consequences (NOT_RECOMMENDED)
+ */
 int ast_unload_resource(char *resource_name, int force);
 
-/* Notify when usecount has been changed */
+//! Notify when usecount has been changed
+/*!
+ * This function goes through and calulates use counts.  It also notifies anybody
+ * trying to keep track of them.
+ */
 void ast_update_use_count(void);
 
-/* Ask for a list of modules, descriptions, and use counts */
+//! Ask for a list of modules, descriptions, and use counts
+/*!
+ * \param modentry a callback to an updater function
+ * For each of the modules loaded, modentry will be executed with the resource, description,
+ * and usecount values of each particular module.
+ */
 int ast_update_module_list(int (*modentry)(char *module, char *description, int usecnt));
 
-/* Ask this procedure to be run with modules have been updated */
+//! Ask this procedure to be run with modules have been updated
+/*!
+ * \param updater the function to run when modules have been updated
+ * This function adds the given function to a linked list of functions to be run
+ * when the modules are updated. 
+ * It returns 0 on success and -1 on failure.
+ */
 int ast_loader_register(int (*updater)(void));
 
-/* No longer run me when modules are updated */
+//! No longer run me when modules are updated
+/*!
+ * \param updater function to unregister
+ * This removes the given function from the updater list.
+ * It returns 0 on success, -1 on failure.
+ */
 int ast_loader_unregister(int (*updater)(void));
 
-/* Reload all modules */
+//! Reload all modules
+/*!
+ * This reloads all modules set to load in asterisk.  It does NOT run the unload
+ * routine and then loads them again, it runs the given reload routine.
+ */
 void ast_module_reload(void);
 
 /* Local user routines keep track of which channels are using a given module resource.