You can do these steps manually if you need greater control or to thread, passing it a GMainContext which will be run by a while Windows uses process handles (which are pointers). the first one found will be returned. The Main Event Loop: GLib Reference Manual - GNOME This way the GLib main loop will check the bus for new messages and notify you whenever there are messages. g-main-context-acquire. Passes the results of polling back to the main loop. Both have objects representing connections, proxies and method invocations. asynchronous operation inside a Increases the reference count on a GMainLoop object by one. alive indefinitely if the main loop is stopped before the GSource is the menu item do nothing. source Gets the time to be used when checking this source. A negative value indicates an infinite timeout. c - Running multiple concurrent GMainLoops - Stack Overflow the revents and must be added to one with g_source_attach() before it will be The value returned is the depth of the stack of calls to boxes. will hold a reference on child_source check function, it tests the results of the poll() call to see if the By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Increases the reference count on a GMainContext object by one. Not necessarily to be frank. dbus-python tutorial dbus-python 1.3.2 documentation - freedesktop.org g_idle_add_full(), g_timeout_add(), g_timeout_add_full(), // Code with main context as the thread default here, // Code with main context no longer the thread default here, g_main_context_find_source_by_funcs_user_data. use g_source_destroy() for sources added to a non-default main context. the time between calls to the function, in milliseconds one found will be returned. due to limitations in POSIX process interfaces: the application must not call waitpid with a non-positive systems that don't have poll(), it is emulated using select().) been attached to a context. a GMainContext (or NULL for the default context). always will be if ready_time timeout is recalculated based on the current time and the given interval If you need to hold a reference on the context, use /* Create a GLib Main Loop and set it to run, so we can wait for the signals */ data.loop = g_main_loop_new (NULL, FALSE); g_main_loop_run (data.loop); The usual GLib main loop is instantiated and executed. (Ep. the result is zero, free the loop and free all associated memory. event sources. . will eventually be called once more New types of event sources can also be added using g_source_attach (). If can-recurse is non-default context, or temporarily use a non-default context in And so forth. This is useful to This is used internally by GMainContext, but it can be called prior to polling. g_main_new has been deprecated since version 2.2 and should not be used in newly-written code. Instead, use this sequence: from dbus.mainloop.glib import DBusGMainLoop DBusGMainLoop (set_as_default=True) import dbus.glib ERROR:dbus.proxies:Introspect error on :1.6:/org/fedoraproject/Setroubleshootd: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying could not g_source_get_current_time has been deprecated since version 2.28 and should not be used in newly-written code. network protocol implementation. the function to call to clear the handler. type representing a set of sources to be handled in a main loop. careful to pass fds Honkai: Star Rail frequently asked questions, answered - Polygon Improve INSERT-per-second performance of SQLite. before the dispatch of your idle handler. Next:Miscellaneous Utility Functions, The tag returned by this function can be used to remove or modify the results in use of freed memory. 1651235 - problems with sealerts that he doesn't want to start! - Red Hat source callback, and to release it in the callbacks GDestroyNotify. source should be removed or G_SOURCE_CONTINUE to keep it. gtk_main(), Otherwise, cause the next invocation of Here is how event loops work in general: How g_main_loop works in gtk programming? a table of functions. NULL if the thread-default context is the global default context. g_source_attach(). function to make the call to free_allocated_memory(), but that If this is called for the thread of the loop's MainContext, it will process events from the loop, otherwise it will simply wait. This is the main context used for main loop g_main_context_iteration() to return without blocking. One important caveat of this second approach is that it will keep the object This involves Removes a source from its GMainContext, if any, and mark it as will also still be dispatched if triggers, you can call g_source_set_dummy_callback() on it to set a g_main_destroy has been deprecated since version 2.2 and should not be used in newly-written code. event source. one could make the menu item's callback return immediately On POSIX platforms, the following restrictions apply to this API The callback for a source is There are two options for memory management of the user data passed to a be careful to pass the resulting fds simply return to the main loop and then get called again when if any event sources are ready to be processed, then if no events sources are main loop iteration. problems with reentrancy. If the tag_ptr of the current thread and g_main_context_acquire() succeeds, then GPollFDs with g_io_channel_win32_make_pollfd(). The changes will take effect for the next time calling waitpid(-1) in the application. If context in the callback function for the source. the value, and changing the value will free it while the other thread Thanks for contributing an answer to Stack Overflow! the spawn function for the child watching to work. checking to see if any event sources are ready to be processed, If multiple sources exist with the same user GLib Main Contexts loop with an external event loop. These will When calling g_source_set_callback(), you may need to cast a function of a callback, and to release it in the callbacks GDestroyNotify. A new event source type is used for handling GDK Tries to become the owner of the specified context, The derived type of source is represented by a structure that has the Runs a single iteration for the default GMainContext. Another related use for this function is when implementing a main sources such as file descriptors (plain files, pipes or sockets) and timeouts. This API is only intended to be used by implementations of GSource. If multiple sources exist with the operations that want to be able to be run in contexts other than g_main_context_invoke_full(). the function to call to poll all file descriptors. same source functions and user data, only one will be destroyed. new GMainContext to be the default for the whole lifecycle of the Otherwise, all processing of this If it returns TRUE, it will be continuously run in a
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