How to examine if the channel is crashed. I never send command frame to mux control channel to shut it down.
I suspect that the pty setting may exists some problem. Any suggestion? Thanks On Tue, Feb 2, 2010 at 3:21 PM, Xingwen Huang <hxwsi...@gmail.com> wrote: > Is the channel crashed? (just guset) : ) > > On Tue, Feb 2, 2010 at 2:35 PM, hongxue.ren <bigc...@gmail.com> wrote: > >> Hi, all >> >> I start up pppd over a mux channel, and it can work well. >> And I also implement the method requestDeactiveDataCall() of >> RIL_REQUEST_DEACTIVATE_DATA_CALL request in ril. >> In requestDeactiveDataCall() function, I stop the pppd by setting a >> property which is define in init.rc. Pppd receives the SIGTERM signal. >> After pppd exited, I want to make mux data channel to switch to command >> mode by send AT command "+++". >> However, the data channel cannot be writen, it returns "Try again". >> >> Why? >> >> BR, >> bigcren >> >> -- >> unsubscribe: >> android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> >> website: http://groups.google.com/group/android-porting > > > -- > unsubscribe: > android-porting+unsubscr...@googlegroups.com<android-porting%2bunsubscr...@googlegroups.com> > website: http://groups.google.com/group/android-porting -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
