On Thu, Oct 10, 2013 at 07:35:09PM +0800, Kang Hu wrote: > see > https://developer.gnome.org/glib/2.38/glib-Spawning-Processes.html#g-spawn-async-with-pipes > 1. call g_spawn_async_with_pipes and get the stdin, stdout, stderr fds. > 2. call g_child_watch on the pid returned in step 1. > 3. create an io channel for each fd ( see g_io_channel_unix_new) > 4. add each io channel to the main loop ( see g_io_add_watch) . > read external application output (see g_io_channel_read_*) in the > callback function GIOFunc > and update your widget's text section > 5. you can kill external programs by the pid you get in step 1. > NOTE: you need to release fds in callbacks in step 2. > > The answer is wanderful! Thank you Kang Hu! > On Thu, Oct 10, 2013 at 12:55 PM, Woody Wu <narkewoody@xxxxxxxxx> wrote: > > > Hi, > > > > I am about to write a test runner with GTK+. It basically can list a lot > > of external test programs (non-GTK+ pure Linux apps) in a treeview and > > let user select one of them to run. While an external program is > > running, I want to get all its outputs (to stdout/stderr) and keep > > updating in a textview. > > > > Since I am a Linux programmer, so I know how to fork a new process and > > pipe into an external program. But I don't know in GTK+, what's the > > right method to keep fetching the information from the pipe and showing > > them in my GUI widgets. On the other hand, while an external program is > > running, I don't want user feel that the my program is frozing and user > > should be able to kill the running external program by clicking a 'stop' > > button on the GUI. > > > > For this kind of task, what GTK+ technology I should go to grab? Thanks > > in advance! > > > > -- > > I can't go back to yesterday - because I was a different person then > > _______________________________________________ > > gtk-list mailing list > > gtk-list@xxxxxxxxx > > https://mail.gnome.org/mailman/listinfo/gtk-list > > -- I can't go back to yesterday - because I was a different person then _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list
