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At least on HPUX, select with delay.tv_sec = 0 and delay.tv_usec = 1000000

does not lead to a one-second delay, but to an immediate EINVAL failure.This causes CHECKPOINT to crash with s_lock_stuck much too quickly :-(.Fix by breaking down the requested wait div/mod 1e6.

1 parent3460181 commit496ea7aCopy full SHA for 496ea7a

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src/backend/storage/buffer
- s_lock.c

1 file changed

-3

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`‎src/backend/storage/buffer/s_lock.c`

Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.33 2001/02/18 04:39:42 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.34 2001/02/24 22:42:45 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -91,8 +91,8 @@ s_lock_sleep(unsigned spins, int timeout, int microsec,`
`91`	`91`
`92`	`92`	`if (microsec>0)`
`93`	`93`	`{`
`94`		`-delay.tv_sec=0;`
`95`		`-delay.tv_usec=microsec;`
	`94`	`+delay.tv_sec=microsec /1000000;`
	`95`	`+delay.tv_usec=microsec %1000000;`
`96`	`96`	`}`
`97`	`97`	`else`
`98`	`98`	`{`

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Commit496ea7a

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1 file changed

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`‎src/backend/storage/buffer/s_lock.c`

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