diff options
Diffstat (limited to 'src/modules/systemlib/param/param.h')
| -rw-r--r-- | src/modules/systemlib/param/param.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/modules/systemlib/param/param.h b/src/modules/systemlib/param/param.h index 69e984a8f..e3e1b50eb 100644 --- a/src/modules/systemlib/param/param.h +++ b/src/modules/systemlib/param/param.h @@ -87,10 +87,20 @@ typedef uintptr_t param_t; * * @param name The canonical name of the parameter being looked up. * @return A handle to the parameter, or PARAM_INVALID if the parameter does not exist. + * This call will also set the parameter as "used" in the system, which is used + * to e.g. show the parameter via the RC interface */ __EXPORT param_t param_find(const char *name); /** + * Look up a parameter by name. + * + * @param name The canonical name of the parameter being looked up. + * @return A handle to the parameter, or PARAM_INVALID if the parameter does not exist. + */ +__EXPORT param_t param_find_no_notification(const char *name); + +/** * Return the total number of parameters. * * @return The number of parameters. @@ -254,8 +264,10 @@ __EXPORT int param_load(int fd); * @param arg Argument passed to the function. * @param only_changed If true, the function is only called for parameters whose values have * been changed from the default. + * @param only_changed If true, the function is only called for parameters which have been + * used in one of the running applications. */ -__EXPORT void param_foreach(void (*func)(void *arg, param_t param), void *arg, bool only_changed); +__EXPORT void param_foreach(void (*func)(void *arg, param_t param), void *arg, bool only_changed, bool only_used); /** * Set the default parameter file name. |