Re: random failing builds on spoonbill - backends not exiting...

Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> On 06/22/2012 09:39 PM, Tom Lane wrote:
>> (Hey Stefan, is there a way on BSD to check a process's signals-blocked
>> state from outside?  If so, next time this happens you should try to
>> determine the children's signal state.)

> with help from RhodiumToad on IRC:

> #  ps -o pid,sig,sigcatch,sigignore,sigmask,command -p 12480

>   PID  PENDING   CAUGHT  IGNORED  BLOCKED COMMAND
> 12480 20004004 34084005 c942b002 fffefeff postgres: writer process
> (postgres)

> #  ps -o pid,sig,sigcatch,sigignore,sigmask,command -p 9841
>   PID  PENDING   CAUGHT  IGNORED  BLOCKED COMMAND
>  9841 20004004 34084007 c942b000 fffefeff postgres: wal writer process
>   (postgres)

Well, the nonzero PENDING masks sure look like a smoking gun, but why
are there multiple pending signals?  And I'm not sure I know OpenBSD's
signal numbers by heart.  Could you convert those masks into text signal
name lists for us?
        regards, tom lane