Function rcl_lifecycle_get_transition_by_label

• Defined in File rcl_lifecycle.h

Function Documentation

const rcl_lifecycle_transition_t *rcl_lifecycle_get_transition_by_label(const rcl_lifecycle_state_t *state, const char *label)

Get a state by id.

A pointer to the internally transition struct is returned based on the label. If the label is not set in the state then returns NULL.

Attribute	Adherence
Allocates Memory	No
Thread-Safe	No
Uses Atomics	No
Lock-Free	Yes

Parameters:

• state – [in] pointer to the state struct

• label – [in] label to be find in the valid transitions

Returns:

a pointer to the lifecycle transition if the label exists or otherwise it return NULL