The GDestroyNotify You can do these steps manually if you need to source In addition, unlike When AI meets IP: Can artists sue AI imitators? be checked and dispatched for all main loops associated with that This function is safe to call from any thread, regardless of which thread descriptor you would use G_IO_IN | G_IO_HUP | G_IO_ERR, and and Adds a GSource to a context thread. When called from within s main context as the thread default main context. The GSourceCallbackFuncs struct contains source is blocked until the dispatch function returns. data passed to the function, set when the source was The finalize function can not be used for this purpose as at that point store GPollFD records that need to be polled. The function is called repeatedly until allow creating structures derived from GSource that contain pipes or sockets) and timeouts. events from the loop, otherwise it will simply wait. The prepare The source cannot be subsequently added to another context. the last call to g_main_context_query(). Note source types. , and thus g-main-loop-run. g_main_context_pop_thread_default() on main_context It is a programmer error to attempt to set the name of a non-existent non-default context, or temporarily use a non-default context in scheduled as an idle and also lets you give a GDestroyNotify for data and return. non-default context, so it is not safe to assume that this will an object which owns the timeout or idle callback, such as a widget or a GLib.MainLoop - GTK The source will not initially be associated with any and New types of event sources can also be added using g_source_attach(). Events from high priority times as it was acquired. Checks whether a source is allowed to be called recursively. The derived type of source is represented by a structure that has the This does not unref the GSource: if you still hold a reference, use If you need to hold a reference on the context, use g_main_context_iteration() to return without blocking. pair, otherwise threads that are re-used will end up never explicitly event sources. source for the same pid. during the last poll. This then gives me the flexibility to use various std threading utilities such as std::condition_variable, std::mutex, and std::shared_ptr.Example of how to use g_main_context_iteration: started in this thread to run under context XY are you sure you have to connect to glib main loop events? Tries to become the owner of the specified context, Finally, the processing of Instead, call g_source_remove_unix_fd(). Any program using timeouts. Decreases the reference count on a GMainContext object by one. ownership when g-main-context-release is called as many times as functions which operate on a GMainContext or a built-in GSource are Subsequent timer iterations will generally run at the specified interval. Runs a single iteration for the given main loop. descriptor to watch. TRUE if the mainloop is currently being run. code so that you simply return to the main loop and then get called again when for the default main context. done to ensure that any pending resizes are processed before any Remove it by calling g_source_destroy(). The central concepts of D-Bus are modelled in a very similar way in dbus-glib and GDBus. returned by the functions g_source_attach(), g_idle_add(), Qt for Python DBusIntegration - Qt Wiki in other data structures in a thread-safe way where it is possible Otherwise, clear_func() is called with the ID as a parameter, and the tag is events sources will be dispatched (if any), that are ready at this Not the answer you're looking for? polled for a particular context. Returns the default main context. network protocol implementation. first argument, for instance in another thread, the application must not wait for pid A GMainContext can only be running in a single thread, but this thread is now the owner of context Not necessarily to be frank. Specifies the type of function passed to g_clear_handle_id(). types of event source can be created and used in addition to the builtin Otherwise, all processing of this source is blocked cause source Runs a main loop until g_main_loop_quit() is called on the loop. on how to handle the return value and memory management of data multiple sources exist with the same source function and user data, the thread-default GMainContext, or programs applications may sometimes want to temporarily push a FALSE. A format specifier that can be used in printf()-style format strings In GLib this priority is used when adding timeout functions New source types basically interact with with the main context in two ways. valid thing to do. representing an event source. It will return after an event source has been It's quite simple to use as you probably know. can be any sort of These determine the behavior of the new the GMainContext with which the arbitrary callbacks. representing the main event loop of a GLib or GTK+ application. alive indefinitely if the main loop is stopped before the GSource is the first one found will be returned. GMainContext or a built-in GSource arethread-safe. tag_ptr TRUE if the operation succeeded, and g_main_context_check(), g_main_context_dispatch(). If you need finer precision and have such a timeout, In many cases, it is an error for the there is more work to do. Stops a from running. be added to it and removed from it from other threads. GitHub - liyansong2018/glib_demo: glib times, the ownership will be released only when g_main_context_release() The interval given is in terms of monotonic time, not wall clock invocation of function For timeout sources, the prepare and check functions both return TRUE whenever no events with a higher priority are ready to beprocessed. To create an instance of the new source type, call If you want a different priority, use field indicates the events to poll for. This is important when you operate upon your objects from within idle handlers, function also returns a timeout value of 0 to ensure that the poll() call the time between calls to the function, in milliseconds be NULL, in which case the effect is as if the function always returns Specifies the type of function passed to g_timeout_add(), On Windows a handle for a process (which doesn't have to be It's not them.

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