merge r3047, r3048, r3049:

twice termination delay only after SIGALRM, otherwise many separate SIGCHLD
and SIGIO signals quickly increase delay to the level when SIGKILL is sent
4 files changed
tree: 5fc9882161d0930868e7b2464b4863aca4008736
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags