···

       
58
       
 
       
    before the activation script is run. This behavior is different when the

     

       
59
       
 
       
    service is socket-activated, as outlined in the following steps.

     

       
60
       
 
       


     

       
61
       
-
       
  - The last thing that is taken into account is whether the unit is a service

     

       
62
       
-
       
    and socket-activated. If `X-StopIfChanged` is **not** set, the service

     

       
63
       
-
       
    is **restart**ed with the others. If it is set, both the service and the

     

       
64
       
-
       
    socket are **stop**ped and the socket is **start**ed, leaving socket

     

       
65
       
-
       
    activation to start the service when it's needed.

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
66
       
 
       


     

       
67
       
 
       
## Sysinit reactivation {#sec-sysinit-reactivation}

     

       
68
       
 
       


     

···

       
58
       
 
       
    before the activation script is run. This behavior is different when the

     

       
59
       
 
       
    service is socket-activated, as outlined in the following steps.

     

       
60
       
 
       


     

       
61
       
+
       
  - The last thing that is taken into account is whether the unit is a

     

       
62
       
+
       
    service and socket-activated. A correspondence between a

     

       
63
       
+
       
    `.service` and its `.socket` unit is detected automatically, but

     

       
64
       
+
       
    services can **opt out** of that detection by setting

     

       
65
       
+
       
    `X-NotSocketActivated` to `yes` in their `[Service]`

     

       
66
       
+
       
    section. Otherwise, if `X-StopIfChanged` is **not** set, the

     

       
67
       
+
       
    service is **restart**ed with the others. If it is set, both the

     

       
68
       
+
       
    service and the socket are **stop**ped and the socket is

     

       
69
       
+
       
    **start**ed, leaving socket activation to start the service when

     

       
70
       
+
       
    it's needed.

     

       
71
       
 
       


     

       
72
       
 
       
## Sysinit reactivation {#sec-sysinit-reactivation}

     

       
73