Topic       : TOS - das Betriebssystem
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Version     : tos.hyp (5. März 2013)
Subject     : Programmieren/Atari
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View Ref-File8.3.19  x_appl_sleep                                               TOS

 Name:         »Put application to sleep« - or wake it up (Geneva)

 AES-Nummer:   28930

 Deklaration:  int16_t x_appl_sleep( int16_t id, int16_t sleep );

 Beschreibung: The call x_appl_sleep searches for the application 
               whose ID (found by appl_find or appl_search) is id and 
               either puts it to sleep or wakes it up. While an 
               application is asleep, its windows are automatically 
               closed, and it does not receive any events.

                Parameter  Bedeutung 
                sleep       0: Awaken application 
                            1: Put application to sleep 
                           -1: No change 

               The old state of wakefulness is always returned in 
               xas_return, unless an error occurs. There are several 
               situations where an error code will be returned:

                  ∙ There is no application with the ID specified.
                  ∙ The application was the only program awake and the 
                    user tried to put it to sleep.
                  ∙ The application has a single-tasking child.

               If an application puts itself to sleep, it will not be 
               able to wake itself; this must be done by another 
               application or by the user from the Desk menu.

               If an application which is asleep is about to be 
               terminated for any reason, it is first awakened, so 
               that it can receive the AP_TERM message.

 Ergebnis:     -1: Application not found, or the state could not be 
               changed
               bit 0 set: Application was-sleep
               bit 1 set: Application is multitasking is clear, the 
               application is single-tasking

 Verfügbar:    Die Funktion steht nur unter Geneva zur Verfügung.

 Gruppe:       Applikationen

 Querverweis:  Binding