Re: [HACKERS] regression script/makefile exit failure - Mailing list pgsql-patches

From Andrew Dunstan
Subject Re: [HACKERS] regression script/makefile exit failure
Date
Msg-id 41BB67C1.4040403@dunslane.net
Whole thread Raw
Responses Re: [HACKERS] regression script/makefile exit failure
List pgsql-patches

Andrew Dunstan wrote:

>
>
> Peter Eisentraut wrote:
>
>>
>> I seem to recall that there is a bug in the FreeBSD shell with line
>> breaks in traps.  Try changing the above to
>>
>> trap 'st=$?; echo status = $st; exit $st' 0
>>
>>
>
>
> Thankyou Peter! I'd never have guessed something so obscure!
>
> I have confirmed that this is the problem, and ascertained that the
> Cygwin shell exhibits the same behaviour.
>
> I will submit a patch for pg_regress.sh shortly (after a little
> testing using buildfarm).
>
>

Attached patch has been tested on Cygwin and found to work as expected
when initdb fails during make check - I don't have access to a FreeBSD
machine to do a test buildfarm run.

cheers

andrew

Index: src/test/regress/pg_regress.sh
===================================================================
RCS file: /home/cvsmirror/pgsql/src/test/regress/pg_regress.sh,v
retrieving revision 1.50
diff -c -r1.50 pg_regress.sh
*** src/test/regress/pg_regress.sh    17 Nov 2004 18:06:04 -0000    1.50
--- src/test/regress/pg_regress.sh    11 Dec 2004 21:27:40 -0000
***************
*** 238,255 ****
  # with the result of the last shell command before the `exit'.  Hence
  # we have to write `(exit x); exit' below this point.

! trap '
!     savestatus=$?
      if [ -n "$postmaster_pid" ]; then
          kill -2 "$postmaster_pid"
          wait "$postmaster_pid"
          unset postmaster_pid
      fi
      rm -f "$TMPFILE" && exit $savestatus
! ' 0

! trap '
!     savestatus=$?
      echo; echo "caught signal"
      if [ -n "$postmaster_pid" ]; then
          echo "signalling fast shutdown to postmaster with pid $postmaster_pid"
--- 238,257 ----
  # with the result of the last shell command before the `exit'.  Hence
  # we have to write `(exit x); exit' below this point.

! exit_trap(){
!     savestatus=$1
      if [ -n "$postmaster_pid" ]; then
          kill -2 "$postmaster_pid"
          wait "$postmaster_pid"
          unset postmaster_pid
      fi
      rm -f "$TMPFILE" && exit $savestatus
! }

! trap 'exit_trap $?' 0
!
! sig_trap() {
!     savestatus=$1
      echo; echo "caught signal"
      if [ -n "$postmaster_pid" ]; then
          echo "signalling fast shutdown to postmaster with pid $postmaster_pid"
***************
*** 258,264 ****
          unset postmaster_pid
      fi
      (exit $savestatus); exit
! ' 1 2 13 15



--- 260,268 ----
          unset postmaster_pid
      fi
      (exit $savestatus); exit
! }
!
! trap 'sig_trap $?' 1 2 13 15




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