UTRACE_SIGNAL_ACTION(9) utrace core API UTRACE_SIGNAL_ACTION(9)NAME
utrace_signal_action - enum utrace_signal_action from callback action
SYNOPSIS
enum utrace_signal_action utrace_signal_action(u32 action);
ARGUMENTS
action
report_signal callback action argument or return value
DESCRIPTION
This extracts the enum utrace_signal_action from action, which is the action argument to a report_signal callback or the return value from
one.
Kernel Hackers Manual 2.6. July 2010 UTRACE_SIGNAL_ACTION(9)
Check Out this Related Man Page
GUPNP_DEVICE_ACTION_CALLBACK_SET(3) 1 GUPNP_DEVICE_ACTION_CALLBACK_SET(3)gupnp_device_action_callback_set - Set device callback functionSYNOPSIS
bool gupnp_device_action_callback_set (resource $root_device, int $signal, string $action_name, mixed $callback, [mixed $arg])
DESCRIPTION
Set device callback function for signal and action.
PARAMETERS
o $root_device
- A root device identifier, returned by gupnp_root_device_new(3).
o $signal
- The value of signal. Signal can be one of the following values:
o GUPNP_SIGNAL_ACTION_INVOKED - Emitted whenever an action is invoked. Handler should process action and must call either
gupnp_service_action_return(3) or gupnp_service_action_return_error(3).
o GUPNP_SIGNAL_NOTIFY_FAILED - Emitted whenever notification of a client fails.
o $action_name
- The name of action.
o $callback
- The callback function for the certain signal. Typically, callback function takes on three parameters. The $service parameter's
identifier being the first, $action parameter's identifier (in case GUPNP_SIGNAL_ACTION_INVOKED signal) or $error parameter's mes-
sage (in case GUPNP_SIGNAL_NOTIFY_FAILED signal) being the second, and the $arg is third.
o $arg
- User data for $callback.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
ERRORS /EXCEPTIONS
Issues E_WARNING either with not valid callback function or with not valid signal.
SEE ALSO gupnp_root_device_new(3).
PHP Documentation Group GUPNP_DEVICE_ACTION_CALLBACK_SET(3)
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