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2021-06-29Delete PID files right after they are readFabricio Voznika
The PID files are not used after they are read, so there is no point in keeping them around until the shim is deleted. Updates #6225 PiperOrigin-RevId: 382169916
2021-06-29Redirect all calls from `errdefs.ToGRPC` to `utils.ErrToGRPC`Fabricio Voznika
This is to ensure that Go 1.13 error wrapping is correctly translated to gRPC errors before returning from the shim. Updates #6225 PiperOrigin-RevId: 382120441
2021-06-23Do not attempt to kill stopped exec processesNoah Fontes
While #6204 addressed the stopped state for handling signals in the main process, it did not update exec processes in the same way. This change mirrors that adjustment for exec processes.
2021-06-21Improve stopped container handlingFabricio Voznika
Getting state of a stopped container would fail and could lead containerd to not detecting that the container had actually stopped. Now stopped and deleted containers return `stopped` state. Also makes other messages more consistent when container is stopped. Some where still sending messages to runsc and failing in different ways. Now they go through `initState` state machine like the other messages. There are a few changes to improve debugability with it as well. Fixes #5861 PiperOrigin-RevId: 380698513
2021-03-03[op] Replace syscall package usage with golang.org/x/sys/unix in pkg/.Ayush Ranjan
The syscall package has been deprecated in favor of golang.org/x/sys. Note that syscall is still used in the following places: - pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities are not yet available in golang.org/x/sys. - syscall.Stat_t is still used in some places because os.FileInfo.Sys() still returns it and not unix.Stat_t. Updates #214 PiperOrigin-RevId: 360701387
2021-01-12Delete shim v1Fabricio Voznika
gvisor-containerd-shim is not compatible with containerd 1.1 or earlier. Starting from containerd 1.2, shim v2 is the preferred interface. PiperOrigin-RevId: 351485556