Horton

Re: Interrupts vs signals

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: Thomas Munro <thomas.munro@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2021-11-11T20:24:41Z
Lists: pgsql-hackers 
On Thu, Nov 11, 2021 at 2:50 PM Andres Freund <andres@anarazel.de> wrote:
> They can count, but only when used for network sockets or pipes ("slow
> devices" or whatever the posix language is). Disk IO doesn't count as that. So
> I don't think it'd be a huge issue.

Somehow the idea that the network is a slow device and the disk a fast
one does not seem like it's necessarily accurate on modern hardware,
but I guess the spec is what it is.

-- 
Robert Haas
EDB: http://www.enterprisedb.com

Commits

  1. Ignore SIGINT in walwriter and walsummarizer

  2. Split WaitEventSet functions to separate source file

  3. Use ModifyWaitEvent to update exit_on_postmaster_death

  4. Remove unused ShutdownLatchSupport() function

  5. Rename two functions that wake up other processes

  6. Use ProcNumbers instead of direct Latch pointers to address other procs

  7. Clean up WaitLatch calls that passed latch without WL_LATCH_SET

  8. Remove unneeded #include

  9. Remove unused latch

  10. Remove support for background workers without BGWORKER_SHMEM_ACCESS.