Thanks a lot for your reply. I am trying to add some records in ovsdb table based on upcall handling in userspace. After digging little more, I came to know that it uses POSIX message queues for Inter Process Communication and I should better go this way. Thank you!
On Wed, Apr 15, 2015 at 2:51 AM, Ben Pfaff <b...@nicira.com> wrote: > On Mon, Apr 13, 2015 at 12:01:25PM +0500, david jhon wrote: > > I want to run a command from inside openvswitch code from > > ofproto/ofproto-dpif-xlate.c. with popen(), openvswitch compiles and runs > > successfully but it does not run command. > > > > With system(), openvswitch fails to compile with following error: > > > > blacklisted due to thread safety issues. I tried running system command > > with ovs_mutex lock and unlock routines, but it makes no difference. > > > > Please let me know what am I doing wrong here. How could a linux command > be > > run from openvswitch. Your help/guidance in this regard will be highly > > valuable and appreciated. > > It's probably a bad idea to do this. The error is because POSIX says > that system() need not be thread safe. > > There may be a better way to accomplish what you're trying to do. > What are you trying to do? >
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