进程间使用D-bus通信时发生段错误

樱花流逝

代码是这样的
[mw_shl_code=c,true]#include<stdio.h>
#include<glib.h>
#include<dbus/dbus-glib-lowlevel.h>
static gboolean send_ding(DBusConnection *bus);

int main(){
    GMainLoop* loop;
    DBusConnection *bus;
    DBusError error;
    loop=g_main_loop_new(NULL,FALSE);
    dbus_error_init(&error);
    bus=dbus_bus_get(DBUS_BUS_SESSION,&error);
    if(!bus){
        g_warning("connecting failure to D-bus: %s",error.message);
        dbus_error_free(&error);
        return 1;
    }
    dbus_connection_setup_with_g_main(bus,NULL);     
    g_timeout_add(1000,(GSourceFunc)send_ding,bus);
    g_main_loop_run(loop);
    return 0;
}

static gboolean send_ding(DBusConnection *bus){
    DBusMessage *message;
    message=dbus_message_new_signal("/com/burtonini/dbus/ding",
            "com.burtonini.dbus.Signal",
            "ding");
    dbus_message_append_args(message,
            DBUS_TYPE_STRING,"ding!",
            DBUS_TYPE_INVALID);
    dbus_connection_send(bus,message,NULL);
    dbus_message_unref(message);
    g_print("ding!\n");
    return 0;
}[/mw_shl_code]

编译命令是这样的
gcc `pkg-config --cflags --libs dbus-glib-1` -g -o send dbus-ding-send.c

但是运行时终端显示“段错误”并直接退出了
用gdb调试时结果是这样的
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
strlen () at ../sysdeps/x86_64/strlen.S:106
106        ../sysdeps/x86_64/strlen.S:没有那个文件或目录

然而还是不知道错在哪orz
求解答

wugy315

这个问题最终你解决了吗