diff options
Diffstat (limited to 'internal/outcome/process.go')
| -rw-r--r-- | internal/outcome/process.go | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/internal/outcome/process.go b/internal/outcome/process.go index 78570d26..3aa4d0e2 100644 --- a/internal/outcome/process.go +++ b/internal/outcome/process.go @@ -33,7 +33,7 @@ const ( func NewStore(sc *hst.Paths) *store.Store { return store.New(sc.SharePath.Append("state")) } // main carries out outcome and terminates. main does not return. -func (k *outcome) main(msg message.Msg) { +func (k *outcome) main(msg message.Msg, identifierFd int) { if k.ctx == nil || k.sys == nil || k.state == nil { panic("outcome: did not finalise") } @@ -163,6 +163,21 @@ func (k *outcome) main(msg message.Msg) { continue } + if f := os.NewFile(uintptr(identifierFd), "identifier"); f != nil { + _, err = f.Write(k.state.id.v[:]) + if err != nil { + unlock() + // transition here to avoid the commit/revert cycle on the doomed instance + perrorFatal(&hst.AppError{Step: "write instance identifier", Err: err}, + "write instance identifier", processLifecycle) + continue + } + msg.Verbosef("wrote identifier to %d", identifierFd) + if err = f.Close(); err != nil { + msg.Verbose(err.Error()) + } + } + err = k.sys.Commit() unlock() if err != nil { |