| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [PATCHES] Win32 CHECK_FOR_INTERRUPTS() performance tweak |
| Date: | 2005-10-21 15:29:20 |
| Message-ID: | 21916.1129908560@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu> writes:
> This patch improves the win32 CHECK_FOR_INTERRUPTS() performance by
> testing if any unblocked signals are queued before check
> pgwin32_signal_event. This avoids an unnecessary system call.
http://archives.postgresql.org/pgsql-patches/2005-10/msg00191.php
This looks to me like a pretty important performance tweak for Windows.
Can any of the people who worked on the Windows signal implementation
look it over and confirm it's OK?
regards, tom lane
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