There is a broadcast sent when the media is being unmounted. On Mon, Feb 8, 2010 at 10:38 AM, Ryan <[email protected]> wrote:
> Found the code and the answer to my question in case anyone else is > interested: > > system/core/vold/volmgr.c > > Processes are sent SIGTERM and then eventually SIGKILL if they don't > obey. > > On Feb 8, 9:47 am, Ryan <[email protected]> wrote: > > Are the processes with open fds notified via a sig before eventually > > being killed? SIGTERM then SIGKILL? I'm dealing with some code that > > pushes logs to the sdcard and I'd like to make sure it's able to > > cleanly exit when requested to do so. > > > > Also, can you point me to the code that handles the processes with > > open fds before the unmount? > > > > On Feb 7, 9:02 pm, Dianne Hackborn <[email protected]> wrote: > > > > > Processes that continue holding open fds on the sdcard a little after > it is > > > requested to be unmounted will be killed so that it can unmount. > > > > > We don't want the system process to be able to access the sdcard to > avoid > > > these kinds of issues (and just general security cleanliness), so that > it > > > does not have permission to access it. > > > > > On Sun, Feb 7, 2010 at 8:40 PM, Ryan <[email protected]> wrote: > > > > I've seen the following explanation about why the system user is not > > > > allowed to read/write the sdcard: > > > > > > "The system user is not allowed to touch the SD card so that the > > > > system does not get killed if the card is removed or unmounted." > > > > > > I'm looking for some clarification on that statement. Does it mean > > > > that the single process with UID system that is accessing the sdcard > > > > will be killed or all processes running with the UID system will be > > > > killed. Better yet, can someone point me to the code that will be > > > > doing said killing. > > > > > > -- > > > > unsubscribe: > > > > [email protected]<android-porting%[email protected]> > <android-porting%[email protected]<android-porting%[email protected]> > > > > > > website:http://groups.google.com/group/android-porting > > > > > -- > > > Dianne Hackborn > > > Android framework engineer > > > [email protected] > > > > > Note: please don't send private questions to me, as I don't have time > to > > > provide private support, and so won't reply to such e-mails. All such > > > questions should be posted on public forums, where I and others can see > and > > > answer them. > > -- > unsubscribe: > [email protected]<android-porting%[email protected]> > website: http://groups.google.com/group/android-porting > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
