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authorChris Luke <chrisy@flirble.org>2018-06-12 22:45:06 -0400
committerDamjan Marion <dmarion@me.com>2018-06-13 08:01:33 +0000
commit6edd36070cbe5f1fb5e5804edb19f8c395ba07f2 (patch)
tree951fd43b8706ae67ddc0f8741bd1242ed14130bc /doxygen
parent8a4a8c455aaa95a7ff15d8d46f52b24740d3ce88 (diff)
cli: 'restart' should close open files (VPP-1068)
- On 'restart' close all registered files (except stdio) so that the new process has a clean start; in particular, CLI sockets, API sockets, tun/af_packet etc descriptors all need to close so they're not left open but unused by the new VPP process. To do this we iterate all the files registered for the polling mechanism and close() them.[1] - While we're here, retain the original environment on 'restart'; several things make use of it. [1] An alternative mechanism would be to mark all files with CLOEXEC on opening; I think that is a little fragile for this fairly esoteric use case. Change-Id: I81b4e261c4d3c4e2948981231be899824dd4e69f Signed-off-by: Chris Luke <chrisy@flirble.org>
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