Re: How to make /dev/ttyACM0 (and friends) exclusive?

2019-03-03 Thread Greg KH
On Sun, Mar 03, 2019 at 03:55:44AM -0500, Jeffrey Walton wrote: > On Sun, Mar 3, 2019 at 12:55 AM wrote: > > > > On Sat, 02 Mar 2019 14:36:12 -0500, Jeffrey Walton said: > > > > > I feel like I am missing something... Does Linux consider the modem a > > > shared resource instead of an exclusive

Re: How to make /dev/ttyACM0 (and friends) exclusive?

2019-03-03 Thread Jeffrey Walton
On Sun, Mar 3, 2019 at 12:55 AM wrote: > > On Sat, 02 Mar 2019 14:36:12 -0500, Jeffrey Walton said: > > > I feel like I am missing something... Does Linux consider the modem a > > shared resource instead of an exclusive resource? What use cases > > support two different programs sending commands