Re: Function to generate a temporary filename

• Subject: Re: Function to generate a temporary filename
• From: Byron Han <email@hidden>
• Date: Thu, 29 Sep 2005 09:48:19 -1000
• Delivered-to: email@hidden
• Delivered-to: email@hidden

The atomicity needs to occur at the
    generate unique temp filename
    create the file
    open the file

On Sep 29, 2005, at 9:07 AM, Mike Kluev wrote:

On Thu, 29 Sep 2005 08:42:53, Matt Gough <email@hidden> wrote:

On 28 Sep 2005, at 20:07, Mike Kluev wrote:

... We don't even have atomic "create-open" in File Manager...

Haven't tried it myself, but in 10.4 I suspect that the following
does exactly that:

OSStatus  FSCreateFileAndOpenForkUnicode(const FSRef *parentRef,
UniCharCount nameLength, const UniChar *name, FSCatalogInfoBitmap
whichInfo, const FSCatalogInfo *catalogInfo, UniCharCount
forkNameLength, const UniChar *forkName, SInt8 permissions, SInt16
*forkRefNum, FSRef *newRef);

Cool, thanks!   Is it atomic?

Mike

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