Send it along if you would. I'm not sure if 8-byte teraspace pointers have a correlation to 8 byte addresses in the single-level model which is where OPM must live. My guess is that the 8-byte address is an offset into the 16-byte space but I'll take a look. -Walden ------------ Walden H Leverich III President Tech Software (516)627-3800 x11 WaldenL@TechSoftInc.com http://www.TechSoftInc.com -----Original Message----- From: Leif Svalgaard [mailto:email@example.com] Sent: Tuesday, December 18, 2001 10:44 To: firstname.lastname@example.org Subject: Re: Teraspace memory allocation If you can obtain an 8-byte address (I think this is what you call an 8-byte pointer) it is very easy to convert that into a 16-byte RPG-style (or MI-style) pointer. I'll send you a program (OPM) to do that it you'll like to try. From: Walden H. Leverich <WaldenL@TechSoftInc.com> > Nope, and it looks so damn useful. > I "appear" to be able to allocate memory using the _C_TS_malloc API > but then > I'm screwed. If I declare the "pointers" as pointers in RPG then stuff > doesn't work because pointers in rpg are 16 bytes, but the teraspace > stuff wants 8 bytes. If I declare the pointers are 8 byte alpha fields > I think I get a valid allocation, but I can't tell because I can't use > the memory because I don't have a pointer to it. I found a PASE API > that looks to convert a teraspace pointer to a space pointer, but the > api is very clear that this can only be used in PASE programs. > > C/C++ Programmers have it easy because you can change the storage > model to teraspace and all pointers will become 8-byte teraspace > pointers. RPG is teraspace "Enabled" but there is no way to change the > storage model to teraspace. > > Teraspace looked incredibly cool for two reasons. 1) Memory > allocations > 16Meg and 2) Pointers can be byte-aligned. I need >16Meg > but the byte alignment seemed so cool too. In my application I wanted > to call a routine that allocated the memory and returned the pointer > to the caller as a "magic > cookie." The caller should never use the contents of the magic cookie > it should just pass it into other functions in my service program that > understood how to use it. I can do this with pointers but then I have > to tell the user of my routines to make sure that the quad-word > alignment of the pointer is preserved at all times, where > byte-alignment has no such problems. > _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l or email: MIDRANGE-Lemail@example.com Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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