Re: Win32 and fsync()
От | Andrew Dunstan |
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Тема | Re: Win32 and fsync() |
Дата | |
Msg-id | 001b01c2cbd6$377ec550$1a01000a@rduadunstan2 обсуждение исходный текст |
Ответ на | Win32 and fsync() ("Dann Corbit" <DCorbit@connx.com>) |
Ответы |
Re: Win32 and fsync()
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Список | pgsql-hackers |
I'm having difficulty digging up the reference, but I think I recall seeing something that said, roughly, on W32 there are 2 sets of buffers - those in the user level library and those in the kernel level driver, and FlushFileBuffers drains the first, while _commit drains both (it includes a call to FlushFileBuffers). I'm also fairly sure I saw something like #define fsync _commit in the Berkeley DB sources the other day, which might be a clue. I'll be happy to be corrected, though. cheers andrew ----- Original Message ----- From: "Dann Corbit" <DCorbit@connx.com> To: "PostgreSQL Hackers" <pgsql-hackers@postgresql.org> Sent: Monday, February 03, 2003 3:15 PM Subject: [HACKERS] Win32 and fsync() > For Win32, in order to emulate fsync() we will need to call > FlushFileBuffers(): > http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/ > base/flushfilebuffers.asp > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
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