Immediately quits the application.
Upon return to the mainloop, g_application_run() will return,
calling only the 'shutdown' function before doing so.
The hold count is ignored.
The result of calling g_application_run() again after it returns is
unspecified.
Since 2.32
Immediately quits the application. Upon return to the mainloop, g_application_run() will return, calling only the 'shutdown' function before doing so. The hold count is ignored. The result of calling g_application_run() again after it returns is unspecified. Since 2.32