core/unit: update outdated comment

Follow-up for 37eb258e91.
This commit is contained in:
Yu Watanabe
2024-01-25 18:21:41 +09:00
parent 09e6921758
commit 28364bc324

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@@ -731,10 +731,10 @@ typedef struct UnitVTable {
/* Returns the start timeout of a unit */
usec_t (*get_timeout_start_usec)(Unit *u);
/* Returns the main PID if there is any defined, or 0. */
/* Returns the main PID if there is any defined, or NULL. */
PidRef* (*main_pid)(Unit *u, bool *ret_is_alien);
/* Returns the control PID if there is any defined, or 0. */
/* Returns the control PID if there is any defined, or NULL. */
PidRef* (*control_pid)(Unit *u);
/* Returns true if the unit currently needs access to the console */