Horton

Re: EINTR in ftruncate()

Justin Pryzby <pryzby@telsasoft.com>

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From: Justin Pryzby <pryzby@telsasoft.com>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Andres Freund <andres@anarazel.de>, pgsql-hackers@lists.postgresql.org
Date: 2022-09-30T18:53:45Z
Lists: pgsql-hackers 
On Wed, Aug 17, 2022 at 07:51:34AM +1200, Thomas Munro wrote:
> Here's a draft patch that adds a minimal sigaction() implementation
> for Windows.  It doesn't implement stuff we're not using, for sample
> sa_sigaction functions, but it has the sa_mask feature so we can
> harmonize the stuff that I believe you were talking about.

Did you see that this paniced ?

https://cirrus-ci.com/task/4975957546106880
https://api.cirrus-ci.com/v1/artifact/task/4975957546106880/testrun/build/testrun/recovery/027_stream_regress/log/027_stream_regress_standby_1.log

2022-09-30 09:13:03.496 GMT [7312][startup] PANIC:  hash_xlog_split_allocate_page: failed to acquire cleanup lock
2022-09-30 09:13:03.496 GMT [7312][startup] CONTEXT:  WAL redo at 0/7AF6FA8 for Hash/SPLIT_ALLOCATE_PAGE: new_bucket 63, meta_page_masks_updated F, issplitpoint_changed F; blkref #0: rel 1663/16384/23784, blk 45; blkref #1: rel 1663/16384/23784, blk 78; blkref #2: rel 1663/16384/23784, blk 0

Commits

  1. Provide sigaction() for Windows.

  2. Emulate sigprocmask(), not sigsetmask(), on Windows.

  3. Make dsm_impl_posix_resize more future-proof.

  4. Don't clobber postmaster sigmask in dsm_impl_resize.

  5. Create a distinct wait event for POSIX DSM allocation.

  6. Remove redundant ftruncate() for POSIX DSM memory.

  7. Block signals while allocating DSM memory.

  8. Remove dsm_resize() and dsm_remap().

  9. XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown.