ADA
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Arguments for single-mutex-exclusion on protected types (Was: Does Ada tasking profit from multi-core cpus?) Jeffrey R. Carter wrote: The last time I looked at the GNAT sources for protected objects, each had a mutex associated with it that was obtained before any action, even functions. I guess that hasn't changed. Isn't that the most efficient implementation on a POSIX system? a) We use threads (and not pr... 26 Mar 2007 20:15
Ann: UnZip-Ada v.20 After years of "maintenance" or "cosmetic" releases of UnZip-Ada, here is a more important one... UnZip-Ada is a library in "pure" Ada (not a binding, no dependency to compiler, external library or operating sytem) for decompressing data from Zip files into files or data streams. UnZip-Ada is free software. ... 19 Mar 2007 13:01
FYI - Lead Designer of Ada Dies Steve Lionel, for many years a Fortran compiler developer, once worked on an Ada compiler, and his tribute to Jean Ichbiah and the Ada language are at http://softwareblogs.intel.com/2007/03/05/a-farewell-to-jean/ , copied below. By Steve Lionel (6 posts) on March 5th, 2007 at 8:38 am "If you asked me what my ... 15 Mar 2007 19:12
Access to interface conversion problem I have experienced problems upon using an access to tagged type object converted to an access to ancestor type - Storage_Error is raised when calling its operations. After some investigation I found out that address of object (obtained like this: Object_Ptr.all'Address) is different after conversion. Using Unche... 14 Mar 2007 05:41
Design help I hope to have the database records be variable length however it may make my life easier if they are fixed length due to the fact that some of the record structures contain pointers. I guess that would be access type instead of pointer, anyway... Here are the record structures I have defined: type attribu... 18 Mar 2007 03:40
Unsigned Integer Restraint Errors Hello Everyone! I'm having a trivial difficulty with Ada. I am working with a 64 bit unsigned integer, and of course I would like to know if the input to this unsigned integer is out of range. I am having two issues. The first is that I cannot get ada to raise a constraint error unless I make a subtype and stat... 16 Mar 2007 10:00
prefix notation Hello, For the development of G2F, I'm interested in the prefix notation. An example is available here : http://svn.gna.org/viewcvs/g2f/trunk/g2f_io/trunk/g2f_im/im_test.adb?rev=15&view=markup and the experimental packages are browsable here : http://svn.gna.org/viewcvs/g2f/trunk/g2f_io/trunk/g2f_im/?rev=15#... 12 Mar 2007 19:41
TIOBE Programming Community Index Hello, You know I am quite critical of the index [1] - Still it is widely used so I always have look at it. This month a trend which I have observed the last few month has become even more apparent: The languages occupying the TOP-5 have all lost ground (while maintaining there relative position) - with pla... 12 Mar 2007 14:12
Call for Participation: SIGAda 2007 International Conference Please accept our apology if you receive several copies of this message. We can't remove duplicates from a variety of listserv lists. ------------------------------------------------------------------------ SIGAda 2007 =========== ... 11 Mar 2007 19:08
Design help I am trying to design (what I guess is) a database table adapter. Yes, it is a master's course assignment. The current design is to use a file and have one record per line. My goal is to get each line to be "serialized" so I can read the whole line in bytes and then take chunks of it and "cast" those into object... 10 Mar 2007 08:58 |