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Remove sleep() and use single PG_SLEEP call for Win32 signal handling

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and consistency.

Change PG_USLEEP to use SleepEx() for signal interuptability.
This commit is contained in:
Bruce Momjian
2004-01-30 15:57:04 +00:00
parent 777babeced
commit 5ee2ae2049
2 changed files with 4 additions and 7 deletions
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7
src/backend/storage/buffer/bufmgr.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.153 2004/01/24 20:00:45 wieck Exp $ * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.154 2004/01/30 15:57:03 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1058,10 +1058,7 @@ BufferBackgroundWriter(void)
* Nap for the configured time or sleep for 10 seconds if * Nap for the configured time or sleep for 10 seconds if
* there was nothing to do at all. * there was nothing to do at all.
*/ */
if (n > 0) PG_USLEEP((n > 0) ? BgWriterDelay * 1000 : 10000000);
PG_USLEEP(BgWriterDelay * 1000);
else
sleep(10);
} }
} }

4
src/include/miscadmin.h
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.148 2004/01/26 22:59:53 momjian Exp $ * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.149 2004/01/30 15:57:04 momjian Exp $
* *
* NOTES * NOTES
* some of the information in this file should be moved to * some of the information in this file should be moved to
@ -109,7 +109,7 @@ do { \
#else #else
#define PG_USLEEP(_usec) \ #define PG_USLEEP(_usec) \
do { \ do { \
Sleep((_usec) < 500 ? 1 : ((_usec)+500)/ 1000); \ SleepEx(((_usec) < 500 ? 1 : ((_usec) + 500) / 1000), TRUE); \
} while(0) } while(0)
#endif #endif