Out of Memory Error and pending != NULL
keith preston
keithpre at gmail.com
Tue Sep 19 09:55:40 PDT 2006
Ok, so I have been developing some dbus utility services and have run into
some errors I find difficult to debug. I am using the glib bindings and I
infrequently run into the following two errors
** ERROR ** out of memory
** ERROR **: file dbus-gproxy.c: line 2123 .... assertation failed pending
!= NULL
I can reproduce them with a little regularity. Like if I bind my dbus call
to the spacebar and just hit the spacebar 6 or 7 times after I launch my
program, the pending !=null will always come up. A few note from looking at
the code
** ERROR ** out of memory
This seems to be printed out in dbus_g_proxy_begin_call_internal as almost a
generic message. If we can't make the message this seems like a valid
error, but if dbus_connection_send_with_reply fails, could there be another
case that the error is not cause by memory? I am pretty sure I am not
running out of memory.
** ERROR **: file dbus-gproxy.c: line 2123 .... assertation failed pending
!= NULL
>From the note on dbus_connection_send_with_reply, it seems to imply that
this will only be NULL is the connection is disconnected. Are there any
conditions where the connection can get interrupted?
I can't believe that these are dbus bugs, but rather that I am not using
dbus correctly. Are there any common situation where these error might
appear? Here are a few abnormal things I am doing
Threading... can you make dbus call from any thread? sync and async calls?
Two way service.... I have two xml specifications that work together but
are seperate services (myservice_server , myservice_client) also I do have
one case where both of these services exist in the same process (Glib Main
Loop) I already figured out that you can't to syncronous call this way,
but this makes sense. Anyway any hint on how I can resolve these issues
would be appreciated.
Keith
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