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This is how linux restarts some system calls after SIGSTOP/SIGCONT. This is needed to avoid virtiofsd termination when resuming execution under GDB for example. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <20210201193305.136390-1-groug@kaod.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>