g_main_loop 간단 한 loop 생 성 및 사용

다음으로 이동:http://blog.csdn.net/liluvu/article/details/5577155

GMainLoop -> GMainContext -> {GSource1, GSource2, GSource3......}


#include 
#include 
#include 

GMainLoop* loop;

gboolean callback(GIOChannel *channel)
{
    gchar* str;
    gsize len;
	
    g_io_channel_read_line(channel, &str, &len, NULL, NULL);
    while(len > 0 && (str[len-1] == '\r' || str[len-1] == '
'))
        str[--len]='\0';
    for(;len;len--)
        g_print("%c",str[len-1]);
    g_print("
");
    if(strcasecmp(str, "quit") == 0){
        g_main_loop_quit(loop);
    }
    g_free(str);
}

void add_source(GMainContext *context)
{
    GIOChannel* channel;
    GSource* source;
	
    channel = g_io_channel_unix_new(1);
    source = g_io_create_watch(channel, G_IO_IN);
    g_io_channel_unref(channel);
    g_source_set_callback(source, (GSourceFunc)callback, channel, NULL);
    g_source_attach(source, context);
    g_source_unref(source);
}

int main(int argc, char* argv[])
{
    GMainContext *context;

    if(g_thread_supported() == 0)
        g_thread_init(NULL);
    context = g_main_context_new();
    add_source(context);
    loop = g_main_loop_new(context, FALSE);

    g_print("input string('q' to quit)
");
    g_main_loop_run(loop);

    g_main_loop_unref(loop);
    g_main_context_unref(context);

    return 0;
}