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Fix Windows setitimer() emulation to not depend on delivering an APC

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to the main thread.  This allows removal of WaitForSingleObjectEx() calls
from the main thread, thereby allowing us to re-enable Qingqing Zhou's
CHECK_FOR_INTERRUPTS performance improvement.  Qingqing, Magnus, et al.
This commit is contained in:
Tom Lane
2005-10-25 15:15:16 +00:00
parent b83547201f
commit 25777f6fd3
5 changed files with 88 additions and 51 deletions
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5
src/include/miscadmin.h
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@@ -13,7 +13,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.182 2005/10/22 17:09:48 tgl Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.183 2005/10/25 15:15:16 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to other files.
@@ -88,7 +88,8 @@ do { \
#define CHECK_FOR_INTERRUPTS() \
do { \
pgwin32_check_queued_signals(); \
if (UNBLOCKED_SIGNAL_QUEUE()) \
pgwin32_dispatch_queued_signals(); \
if (InterruptPending) \
ProcessInterrupts(); \
} while(0)