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MacOS 8.1
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Win98
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DOS
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This file was processed as: Mailbox/MIME Entity
(archive/mbox).
Confidence | Program | Detection | Match Type | Support
|
---|
100%
| dexvert
| Mailbox/MIME Entity (archive/mbox)
| magic
| Supported |
100%
| dexvert
| Internet Message Format (text/imf)
| magic
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| Mailbox text, 1st line "From jsq@longway.tic.com Sat May 19 15:44:38 1990", ASCII text
| default
| |
100%
| TrID
| E-Mail message (Var. 2)
| default
| |
100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
100%
| detectItEasy
| Format: Plain text[LF]
| default
| |
100%
| xdgMime
| application/mbox
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6a 73 71 | 40 6c 6f 6e 67 77 61 79 |From jsq|@longway|
|00000010| 2e 74 69 63 2e 63 6f 6d | 20 20 53 61 74 20 4d 61 |.tic.com| Sat Ma|
|00000020| 79 20 31 39 20 31 35 3a | 34 34 3a 33 38 20 31 39 |y 19 15:|44:38 19|
|00000030| 39 30 0a 52 65 63 65 69 | 76 65 64 3a 20 66 72 6f |90.Recei|ved: fro|
|00000040| 6d 20 63 73 2e 75 74 65 | 78 61 73 2e 65 64 75 20 |m cs.ute|xas.edu |
|00000050| 62 79 20 75 75 6e 65 74 | 2e 75 75 2e 6e 65 74 20 |by uunet|.uu.net |
|00000060| 28 35 2e 36 31 2f 31 2e | 31 34 29 20 77 69 74 68 |(5.61/1.|14) with|
|00000070| 20 53 4d 54 50 20 0a 09 | 69 64 20 41 41 32 38 31 | SMTP ..|id AA281|
|00000080| 35 36 3b 20 53 61 74 2c | 20 31 39 20 4d 61 79 20 |56; Sat,| 19 May |
|00000090| 39 30 20 31 35 3a 34 34 | 3a 33 38 20 2d 30 34 30 |90 15:44|:38 -040|
|000000a0| 30 0a 50 6f 73 74 65 64 | 2d 44 61 74 65 3a 20 31 |0.Posted|-Date: 1|
|000000b0| 39 20 4d 61 79 20 39 30 | 20 31 39 3a 33 34 3a 35 |9 May 90| 19:34:5|
|000000c0| 32 20 47 4d 54 0a 52 65 | 63 65 69 76 65 64 3a 20 |2 GMT.Re|ceived: |
|000000d0| 62 79 20 63 73 2e 75 74 | 65 78 61 73 2e 65 64 75 |by cs.ut|exas.edu|
|000000e0| 20 28 35 2e 36 31 2f 31 | 2e 36 32 29 0a 09 69 64 | (5.61/1|.62)..id|
|000000f0| 20 41 41 30 36 39 37 38 | 3b 20 53 61 74 2c 20 31 | AA06978|; Sat, 1|
|00000100| 39 20 4d 61 79 20 39 30 | 20 31 34 3a 34 34 3a 33 |9 May 90| 14:44:3|
|00000110| 34 20 2d 30 35 30 30 0a | 52 65 63 65 69 76 65 64 |4 -0500.|Received|
|00000120| 3a 20 62 79 20 6c 6f 6e | 67 77 61 79 2e 74 69 63 |: by lon|gway.tic|
|00000130| 2e 63 6f 6d 20 28 34 2e | 32 32 2f 34 2e 31 36 29 |.com (4.|22/4.16)|
|00000140| 0a 09 69 64 20 41 41 31 | 31 31 33 34 3b 20 53 61 |..id AA1|1134; Sa|
|00000150| 74 2c 20 31 39 20 4d 61 | 79 20 39 30 20 31 34 3a |t, 19 Ma|y 90 14:|
|00000160| 33 35 3a 32 34 20 63 64 | 74 0a 46 72 6f 6d 3a 20 |35:24 cd|t.From: |
|00000170| 3c 75 73 65 6e 69 78 2e | 6f 72 67 21 6a 73 68 40 |<usenix.|org!jsh@|
|00000180| 6c 6f 6e 67 77 61 79 2e | 74 69 63 2e 63 6f 6d 3e |longway.|tic.com>|
|00000190| 0a 4e 65 77 73 67 72 6f | 75 70 73 3a 20 63 6f 6d |.Newsgro|ups: com|
|000001a0| 70 2e 73 74 64 2e 75 6e | 69 78 0a 53 75 62 6a 65 |p.std.un|ix.Subje|
|000001b0| 63 74 3a 20 53 74 61 6e | 64 61 72 64 73 20 55 70 |ct: Stan|dards Up|
|000001c0| 64 61 74 65 2c 20 49 45 | 45 45 20 31 30 30 33 2e |date, IE|EE 1003.|
|000001d0| 34 3a 20 52 65 61 6c 2d | 74 69 6d 65 20 45 78 74 |4: Real-|time Ext|
|000001e0| 65 6e 73 69 6f 6e 73 0a | 4d 65 73 73 61 67 65 2d |ensions.|Message-|
|000001f0| 49 64 3a 20 3c 36 39 35 | 40 6c 6f 6e 67 77 61 79 |Id: <695|@longway|
|00000200| 2e 54 49 43 2e 43 4f 4d | 3e 0a 53 65 6e 64 65 72 |.TIC.COM|>.Sender|
|00000210| 3a 20 73 74 64 2d 75 6e | 69 78 40 6c 6f 6e 67 77 |: std-un|ix@longw|
|00000220| 61 79 2e 74 69 63 2e 63 | 6f 6d 0a 52 65 70 6c 79 |ay.tic.c|om.Reply|
|00000230| 2d 54 6f 3a 20 73 74 64 | 2d 75 6e 69 78 40 75 75 |-To: std|-unix@uu|
|00000240| 6e 65 74 2e 75 75 2e 6e | 65 74 0a 44 61 74 65 3a |net.uu.n|et.Date:|
|00000250| 20 31 39 20 4d 61 79 20 | 39 30 20 31 39 3a 33 34 | 19 May |90 19:34|
|00000260| 3a 35 32 20 47 4d 54 0a | 41 70 70 61 72 65 6e 74 |:52 GMT.|Apparent|
|00000270| 6c 79 2d 54 6f 3a 20 73 | 74 64 2d 75 6e 69 78 2d |ly-To: s|td-unix-|
|00000280| 61 72 63 68 69 76 65 40 | 75 75 6e 65 74 2e 75 75 |archive@|uunet.uu|
|00000290| 2e 6e 65 74 0a 0a 46 72 | 6f 6d 3a 20 3c 6a 73 68 |.net..Fr|om: <jsh|
|000002a0| 40 75 73 65 6e 69 78 2e | 6f 72 67 3e 0a 0a 0a 20 |@usenix.|org>... |
|000002b0| 20 20 20 20 20 20 20 20 | 20 20 41 6e 20 55 70 64 | | An Upd|
|000002c0| 61 74 65 20 6f 6e 20 55 | 4e 49 58 2a 2d 52 65 6c |ate on U|NIX*-Rel|
|000002d0| 61 74 65 64 20 53 74 61 | 6e 64 61 72 64 73 20 41 |ated Sta|ndards A|
|000002e0| 63 74 69 76 69 74 69 65 | 73 0a 0a 20 20 20 20 20 |ctivitie|s.. |
|000002f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000300| 20 20 20 20 20 20 20 20 | 20 20 4d 61 79 20 31 39 | | May 19|
|00000310| 39 30 0a 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |90.. | |
|00000320| 20 20 20 20 20 55 53 45 | 4e 49 58 20 53 74 61 6e | USE|NIX Stan|
|00000330| 64 61 72 64 73 20 57 61 | 74 63 68 64 6f 67 20 43 |dards Wa|tchdog C|
|00000340| 6f 6d 6d 69 74 74 65 65 | 0a 0a 20 20 20 20 20 20 |ommittee|.. |
|00000350| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 4a 65 66 | | Jef|
|00000360| 66 72 65 79 20 53 2e 20 | 48 61 65 6d 65 72 2c 20 |frey S. |Haemer, |
|00000370| 52 65 70 6f 72 74 20 45 | 64 69 74 6f 72 0a 0a 49 |Report E|ditor..I|
|00000380| 45 45 45 20 31 30 30 33 | 2e 34 3a 20 52 65 61 6c |EEE 1003|.4: Real|
|00000390| 2d 74 69 6d 65 20 45 78 | 74 65 6e 73 69 6f 6e 73 |-time Ex|tensions|
|000003a0| 0a 0a 52 69 63 6b 20 47 | 72 65 65 72 20 3c 72 69 |..Rick G|reer <ri|
|000003b0| 63 6b 40 69 73 6d 2e 69 | 73 63 2e 63 6f 6d 3e 20 |ck@ism.i|sc.com> |
|000003c0| 72 65 70 6f 72 74 73 20 | 6f 6e 20 74 68 65 20 41 |reports |on the A|
|000003d0| 70 72 69 6c 20 32 33 2d | 32 37 20 6d 65 65 74 69 |pril 23-|27 meeti|
|000003e0| 6e 67 20 69 6e 0a 53 61 | 6c 74 20 4c 61 6b 65 20 |ng in.Sa|lt Lake |
|000003f0| 43 69 74 79 2c 20 55 54 | 3a 0a 0a 31 30 30 33 2e |City, UT|:..1003.|
|00000400| 34 0a 0a 54 68 65 20 2e | 34 20 62 61 6c 6c 6f 74 |4..The .|4 ballot|
|00000410| 73 20 77 65 6e 74 20 6f | 75 74 20 6f 6e 20 73 63 |s went o|ut on sc|
|00000420| 68 65 64 75 6c 65 2c 20 | 61 6e 64 20 6d 6f 73 74 |hedule, |and most|
|00000430| 20 63 61 6d 65 20 62 61 | 63 6b 20 6f 6e 20 73 63 | came ba|ck on sc|
|00000440| 68 65 64 75 6c 65 20 61 | 73 0a 77 65 6c 6c 2e 20 |hedule a|s.well. |
|00000450| 20 57 65 20 28 62 61 72 | 65 6c 79 29 20 67 6f 74 | We (bar|ely) got|
|00000460| 20 74 68 65 20 72 65 71 | 75 69 72 65 64 20 37 35 | the req|uired 75|
|00000470| 25 20 72 65 73 70 6f 6e | 73 65 2c 20 6f 66 20 77 |% respon|se, of w|
|00000480| 68 69 63 68 20 34 33 25 | 0a 61 70 70 72 6f 76 65 |hich 43%|.approve|
|00000490| 64 20 6f 66 20 74 68 65 | 20 64 72 61 66 74 20 61 |d of the| draft a|
|000004a0| 73 20 69 74 20 73 74 6f | 6f 64 2e 20 20 54 68 65 |s it sto|od. The|
|000004b0| 20 73 6d 61 6c 6c 2d 67 | 72 6f 75 70 20 6c 65 61 | small-g|roup lea|
|000004c0| 64 65 72 73 20 61 72 65 | 0a 63 75 72 72 65 6e 74 |ders are|.current|
|000004d0| 6c 79 20 77 6f 72 6b 69 | 6e 67 20 74 6f 20 72 65 |ly worki|ng to re|
|000004e0| 73 6f 6c 76 65 20 74 68 | 65 20 6f 62 6a 65 63 74 |solve th|e object|
|000004f0| 69 6f 6e 73 20 61 6e 64 | 20 77 69 6c 6c 20 72 65 |ions and| will re|
|00000500| 70 6f 72 74 20 62 61 63 | 6b 20 61 74 0a 44 61 6e |port bac|k at.Dan|
|00000510| 76 65 72 73 2c 20 69 6e | 20 4a 75 6c 79 2e 0a 0a |vers, in| July...|
|00000520| 31 30 30 33 2e 34 61 0a | 0a 4d 6f 73 74 20 6f 66 |1003.4a.|.Most of|
|00000530| 20 74 68 65 20 77 6f 72 | 6b 20 61 74 20 53 6e 6f | the wor|k at Sno|
|00000540| 77 62 69 72 64 20 63 65 | 6e 74 65 72 65 64 20 61 |wbird ce|ntered a|
|00000550| 72 6f 75 6e 64 20 74 68 | 72 65 61 64 73 20 28 2e |round th|reads (.|
|00000560| 34 61 29 2e 20 20 54 77 | 6f 0a 61 6c 74 65 72 6e |4a). Tw|o.altern|
|00000570| 61 74 69 76 65 73 20 74 | 6f 20 74 68 65 20 70 74 |atives t|o the pt|
|00000580| 68 72 65 61 64 73 20 70 | 72 6f 70 6f 73 61 6c 20 |hreads p|roposal |
|00000590| 77 65 72 65 20 70 72 65 | 73 65 6e 74 65 64 20 61 |were pre|sented a|
|000005a0| 74 20 74 68 65 20 6d 65 | 65 74 69 6e 67 3a 0a 60 |t the me|eting:.`|
|000005b0| 60 73 74 72 61 6e 64 73 | 27 27 2c 20 66 72 6f 6d |`strands|'', from|
|000005c0| 20 4a 6f 68 6e 20 5a 6f | 6c 6e 6f 77 73 6b 79 20 | John Zo|lnowsky |
|000005d0| 6f 66 20 53 75 6e 2c 20 | 64 65 66 69 6e 65 64 20 |of Sun, |defined |
|000005e0| 61 20 6d 69 6e 69 6d 61 | 6c 20 73 65 74 20 6f 66 |a minima|l set of|
|000005f0| 0a 69 6e 74 65 72 66 61 | 63 65 73 20 66 6f 72 20 |.interfa|ces for |
|00000600| 6d 75 6c 74 69 2d 74 68 | 72 65 61 64 65 64 20 61 |multi-th|readed a|
|00000610| 70 70 6c 69 63 61 74 69 | 6f 6e 73 3b 20 60 60 56 |pplicati|ons; ``V|
|00000620| 50 27 27 2c 20 66 72 6f | 6d 20 50 61 75 6c 20 42 |P'', fro|m Paul B|
|00000630| 6f 72 6d 61 6e 0a 6f 66 | 20 43 72 61 79 2c 20 61 |orman.of| Cray, a|
|00000640| 64 64 65 64 20 61 20 60 | 60 76 69 72 74 75 61 6c |dded a `|`virtual|
|00000650| 20 70 72 6f 63 65 73 73 | 6f 72 27 27 20 6c 61 79 | process|or'' lay|
|00000660| 65 72 20 74 6f 20 74 68 | 65 20 70 74 68 72 65 61 |er to th|e pthrea|
|00000670| 64 73 0a 73 70 65 63 69 | 66 69 63 61 74 69 6f 6e |ds.speci|fication|
|00000680| 2c 20 77 68 69 63 68 20 | 6d 61 64 65 20 73 6f 6d |, which |made som|
|00000690| 65 20 6d 75 6c 74 69 70 | 72 6f 63 65 73 73 6f 72 |e multip|rocessor|
|000006a0| 20 28 4d 50 29 20 66 65 | 61 74 75 72 65 73 20 76 | (MP) fe|atures v|
|000006b0| 69 73 69 62 6c 65 20 74 | 6f 0a 61 70 70 6c 69 63 |isible t|o.applic|
|000006c0| 61 74 69 6f 6e 73 2e 0a | 0a 54 68 65 20 70 72 69 |ations..|.The pri|
|000006d0| 6d 61 72 79 20 4d 50 20 | 68 61 72 64 77 61 72 65 |mary MP |hardware|
|000006e0| 20 66 65 61 74 75 72 65 | 20 74 68 61 74 20 50 61 | feature| that Pa|
|000006f0| 75 6c 27 73 20 56 50 20 | 70 72 6f 70 6f 73 61 6c |ul's VP |proposal|
|00000700| 20 6d 61 6b 65 73 20 76 | 69 73 69 62 6c 65 0a 74 | makes v|isible.t|
|00000710| 6f 20 74 68 65 20 70 74 | 68 72 65 61 64 73 20 65 |o the pt|hreads e|
|00000720| 6e 76 69 72 6f 6e 6d 65 | 6e 74 20 69 73 20 74 68 |nvironme|nt is th|
|00000730| 65 20 61 62 69 6c 69 74 | 79 20 74 6f 20 77 72 69 |e abilit|y to wri|
|00000740| 74 65 20 79 6f 75 72 20 | 6f 77 6e 20 73 70 69 6e |te your |own spin|
|00000750| 0a 6c 6f 6f 70 73 20 61 | 6e 64 20 65 78 70 65 63 |.loops a|nd expec|
|00000760| 74 20 74 68 65 6d 20 74 | 6f 20 77 6f 72 6b 2e 20 |t them t|o work. |
|00000770| 20 4f 6e 65 20 63 6f 75 | 6c 64 2c 20 66 6f 72 20 | One cou|ld, for |
|00000780| 65 78 61 6d 70 6c 65 2c | 20 68 61 76 65 20 6f 6e |example,| have on|
|00000790| 65 0a 74 68 72 65 61 64 | 20 63 6f 6e 74 69 6e 75 |e.thread| continu|
|000007a0| 6f 75 73 6c 79 20 72 65 | 61 64 69 6e 67 20 61 6e |ously re|ading an|
|000007b0| 20 69 6e 2d 63 6f 72 65 | 20 64 61 74 61 20 62 61 | in-core| data ba|
|000007c0| 73 65 20 77 68 69 6c 65 | 20 61 6e 6f 74 68 65 72 |se while| another|
|000007d0| 20 74 68 72 65 61 64 0a | 75 70 64 61 74 65 73 20 | thread.|updates |
|000007e0| 69 74 2e 20 20 4f 6e 20 | 61 6e 20 4d 50 20 73 79 |it. On |an MP sy|
|000007f0| 73 74 65 6d 2c 20 69 74 | 20 6d 69 67 68 74 20 62 |stem, it| might b|
|00000800| 65 20 6d 6f 72 65 20 65 | 66 66 69 63 69 65 6e 74 |e more e|fficient|
|00000810| 20 74 6f 20 63 6f 64 65 | 20 74 68 69 73 0a 77 69 | to code| this.wi|
|00000820| 74 68 6f 75 74 20 75 73 | 69 6e 67 20 61 20 6d 75 |thout us|ing a mu|
|00000830| 74 65 78 2c 20 61 6c 74 | 68 6f 75 67 68 20 64 6f |tex, alt|hough do|
|00000840| 69 6e 67 20 73 6f 20 6f | 6e 20 61 20 75 6e 69 2d |ing so o|n a uni-|
|00000850| 70 72 6f 63 65 73 73 6f | 72 20 77 69 74 68 20 61 |processo|r with a|
|00000860| 0a 63 6f 2d 72 6f 75 74 | 69 6e 65 20 74 68 72 65 |.co-rout|ine thre|
|00000870| 61 64 73 20 70 61 63 6b | 61 67 65 20 69 73 20 61 |ads pack|age is a|
|00000880| 6e 20 61 62 73 6f 6c 75 | 74 65 20 64 69 73 61 73 |n absolu|te disas|
|00000890| 74 65 72 2e 20 20 54 68 | 65 20 6e 65 77 0a 6d 75 |ter. Th|e new.mu|
|000008a0| 6c 74 69 70 72 6f 63 65 | 73 73 6f 72 20 67 72 6f |ltiproce|ssor gro|
|000008b0| 75 70 2c 20 31 30 30 33 | 2e 31 36 2c 20 69 73 20 |up, 1003|.16, is |
|000008c0| 6c 6f 6f 6b 69 6e 67 20 | 69 6e 74 6f 20 74 68 69 |looking |into thi|
|000008d0| 73 20 61 6e 64 20 73 69 | 6d 69 6c 61 72 0a 70 72 |s and si|milar.pr|
|000008e0| 6f 62 6c 65 6d 73 2c 20 | 61 6e 64 20 77 69 6c 6c |oblems, |and will|
|000008f0| 20 70 72 6f 62 61 62 6c | 79 20 73 75 67 67 65 73 | probabl|y sugges|
|00000900| 74 20 74 68 61 74 20 2e | 34 61 20 69 6e 63 6c 75 |t that .|4a inclu|
|00000910| 64 65 20 73 6f 6d 65 20 | 73 6f 72 74 20 6f 66 0a |de some |sort of.|
|00000920| 73 79 73 74 65 6d 2d 77 | 69 64 65 20 61 74 74 72 |system-w|ide attr|
|00000930| 69 62 75 74 65 20 73 74 | 72 75 63 74 75 72 65 20 |ibute st|ructure |
|00000940| 74 68 61 74 20 6f 6e 65 | 20 63 61 6e 20 63 68 65 |that one| can che|
|00000950| 63 6b 20 77 68 65 6e 20 | 77 72 69 74 69 6e 67 0a |ck when |writing.|
|00000960| 70 72 6f 67 72 61 6d 73 | 20 74 68 61 74 20 64 65 |programs| that de|
|00000970| 70 65 6e 64 20 68 65 61 | 76 69 6c 79 20 6f 6e 20 |pend hea|vily on |
|00000980| 63 6f 6e 63 75 72 72 65 | 6e 74 20 65 78 65 63 75 |concurre|nt execu|
|00000990| 74 69 6f 6e 20 6f 66 20 | 74 68 72 65 61 64 73 2e |tion of |threads.|
|000009a0| 0a 0a 41 66 74 65 72 20 | 61 20 77 65 65 6b 27 73 |..After |a week's|
|000009b0| 20 64 69 73 63 75 73 73 | 69 6f 6e 20 28 6f 66 74 | discuss|ion (oft|
|000009c0| 65 6e 20 61 20 65 75 70 | 68 65 6d 69 73 6d 20 66 |en a eup|hemism f|
|000009d0| 6f 72 20 61 72 67 75 6d | 65 6e 74 29 2c 20 77 65 |or argum|ent), we|
|000009e0| 20 73 65 74 74 6c 65 64 | 0a 69 6e 74 6f 20 61 20 | settled|.into a |
|000009f0| 63 6f 6d 70 72 6f 6d 69 | 73 65 20 70 6f 73 69 74 |compromi|se posit|
|00000a00| 69 6f 6e 20 6e 6f 74 20 | 74 68 61 74 20 66 61 72 |ion not |that far|
|00000a10| 20 66 72 6f 6d 20 77 68 | 65 72 65 20 77 65 20 73 | from wh|ere we s|
|00000a20| 74 61 72 74 65 64 20 2d | 2d 0a 20 70 74 68 72 65 |tarted -|-. pthre|
|00000a30| 61 64 73 2e 20 20 41 6c | 6c 20 74 68 69 73 20 77 |ads. Al|l this w|
|00000a40| 6f 72 6b 20 77 69 74 68 | 6f 75 74 20 6d 75 63 68 |ork with|out much|
|00000a50| 20 6e 65 74 20 63 68 61 | 6e 67 65 20 77 61 73 20 | net cha|nge was |
|00000a60| 66 72 75 73 74 72 61 74 | 69 6e 67 2c 20 62 75 74 |frustrat|ing, but|
|00000a70| 0a 0a 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 0a 0a 20 20 |..______|____.. |
|00000a80| 2a 20 55 4e 49 58 20 69 | 73 20 61 20 72 65 67 69 |* UNIX i|s a regi|
|00000a90| 73 74 65 72 65 64 20 74 | 72 61 64 65 6d 61 72 6b |stered t|rademark|
|00000aa0| 20 6f 66 20 41 54 26 54 | 20 69 6e 20 74 68 65 20 | of AT&T| in the |
|00000ab0| 55 2e 53 2e 20 61 6e 64 | 20 6f 74 68 65 72 0a 20 |U.S. and| other. |
|00000ac0| 20 20 20 63 6f 75 6e 74 | 72 69 65 73 2e 0a 0a 4d | count|ries...M|
|00000ad0| 61 79 20 31 39 39 30 20 | 53 74 61 6e 64 61 72 64 |ay 1990 |Standard|
|00000ae0| 73 20 55 70 64 61 74 65 | 20 20 20 20 20 20 20 20 |s Update| |
|00000af0| 20 20 20 20 49 45 45 45 | 20 31 30 30 33 2e 34 3a | IEEE| 1003.4:|
|00000b00| 20 52 65 61 6c 2d 74 69 | 6d 65 20 45 78 74 65 6e | Real-ti|me Exten|
|00000b10| 73 69 6f 6e 73 0a 0a 0c | 0a 20 20 20 20 20 20 20 |sions...|. |
|00000b20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000b30| 20 20 20 20 20 20 20 20 | 20 2d 20 32 20 2d 0a 0a | | - 2 -..|
|00000b40| 70 72 6f 62 61 62 6c 79 | 20 75 6e 61 76 6f 69 64 |probably| unavoid|
|00000b50| 61 62 6c 65 2e 20 20 55 | 6e 74 69 6c 20 66 61 69 |able. U|ntil fai|
|00000b60| 72 6c 79 20 72 65 63 65 | 6e 74 6c 79 20 6d 6f 73 |rly rece|ntly mos|
|00000b70| 74 20 6f 66 20 74 68 65 | 20 63 6f 6d 6d 69 74 74 |t of the| committ|
|00000b80| 65 65 20 77 61 73 0a 62 | 75 73 79 20 67 65 74 74 |ee was.b|usy gett|
|00000b90| 69 6e 67 20 74 68 65 20 | 2e 34 20 64 72 61 66 74 |ing the |.4 draft|
|00000ba0| 20 72 65 61 64 79 20 66 | 6f 72 20 62 61 6c 6c 6f | ready f|or ballo|
|00000bb0| 74 69 6e 67 2e 20 20 4c | 61 63 6b 69 6e 67 20 65 |ting. L|acking e|
|00000bc0| 6e 6f 75 67 68 20 74 69 | 6d 65 20 74 6f 0a 68 61 |nough ti|me to.ha|
|00000bd0| 76 65 20 73 74 75 64 69 | 65 64 20 74 68 72 65 61 |ve studi|ed threa|
|00000be0| 64 73 20 63 61 72 65 66 | 75 6c 6c 79 2c 20 6d 65 |ds caref|ully, me|
|00000bf0| 6d 62 65 72 73 20 77 65 | 72 65 20 75 6e 77 69 6c |mbers we|re unwil|
|00000c00| 6c 69 6e 67 20 74 6f 20 | 61 63 63 65 70 74 20 74 |ling to |accept t|
|00000c10| 68 65 0a 73 6d 61 6c 6c | 20 67 72 6f 75 70 27 73 |he.small| group's|
|00000c20| 20 63 6f 6e 63 6c 75 73 | 69 6f 6e 73 20 62 65 66 | conclus|ions bef|
|00000c30| 6f 72 65 20 69 6e 76 65 | 73 74 69 67 61 74 69 6e |ore inve|stigatin|
|00000c40| 67 20 73 6f 6d 65 20 61 | 6c 74 65 72 6e 61 74 69 |g some a|lternati|
|00000c50| 76 65 73 20 66 6f 72 0a | 74 68 65 6d 73 65 6c 76 |ves for.|themselv|
|00000c60| 65 73 2e 20 20 53 74 69 | 6c 6c 2c 20 73 6f 6d 65 |es. Sti|ll, some|
|00000c70| 20 70 72 6f 67 72 65 73 | 73 20 77 61 73 20 6d 61 | progres|s was ma|
|00000c80| 64 65 2e 20 20 54 68 65 | 20 6d 6f 73 74 20 69 6d |de. The| most im|
|00000c90| 70 6f 72 74 61 6e 74 20 | 77 61 73 20 61 0a 6d 6f |portant |was a.mo|
|00000ca0| 72 65 20 63 6f 6d 70 72 | 65 68 65 6e 73 69 76 65 |re compr|ehensive|
|00000cb0| 20 64 65 66 69 6e 69 74 | 69 6f 6e 20 6f 66 20 73 | definit|ion of s|
|00000cc0| 69 67 6e 61 6c 20 62 65 | 68 61 76 69 6f 72 20 69 |ignal be|havior i|
|00000cd0| 6e 20 6d 75 6c 74 69 2d | 74 68 72 65 61 64 65 64 |n multi-|threaded|
|00000ce0| 0a 70 72 6f 67 72 61 6d | 73 2e 0a 0a 31 30 30 33 |.program|s...1003|
|00000cf0| 2e 31 34 0a 0a 4f 6e 20 | 74 68 65 20 6c 61 73 74 |.14..On |the last|
|00000d00| 20 64 61 79 2c 20 61 20 | 66 69 72 73 74 20 61 74 | day, a |first at|
|00000d10| 74 65 6d 70 74 20 61 74 | 20 61 20 72 65 61 6c 2d |tempt at| a real-|
|00000d20| 74 69 6d 65 20 61 70 70 | 6c 69 63 61 74 69 6f 6e |time app|lication|
|00000d30| 0a 65 6e 76 69 72 6f 6e | 6d 65 6e 74 20 70 72 6f |.environ|ment pro|
|00000d40| 66 69 6c 65 20 28 41 45 | 50 29 20 77 61 73 20 70 |file (AE|P) was p|
|00000d50| 72 65 73 65 6e 74 65 64 | 2e 20 20 54 68 69 73 20 |resented|. This |
|00000d60| 50 41 52 20 77 69 6c 6c | 20 62 65 20 61 6e 0a 65 |PAR will| be an.e|
|00000d70| 78 63 65 6c 6c 65 6e 74 | 2c 20 70 72 61 63 74 69 |xcellent|, practi|
|00000d80| 63 61 6c 20 74 65 73 74 | 20 6f 66 20 41 45 50 73 |cal test| of AEPs|
|00000d90| 2e 20 20 52 65 61 6c 2d | 74 69 6d 65 20 61 70 70 |. Real-|time app|
|00000da0| 6c 69 63 61 74 69 6f 6e | 73 20 61 72 65 20 6c 69 |lication|s are li|
|00000db0| 6b 65 6c 79 0a 74 6f 20 | 76 61 72 79 20 77 69 6c |kely.to |vary wil|
|00000dc0| 64 6c 79 20 69 6e 20 74 | 68 65 20 73 75 62 73 65 |dly in t|he subse|
|00000dd0| 74 73 20 6f 66 20 2e 34 | 27 73 20 72 69 63 68 20 |ts of .4|'s rich |
|00000de0| 66 65 61 74 75 72 65 73 | 20 74 68 61 74 20 74 68 |features| that th|
|00000df0| 65 79 20 72 65 71 75 69 | 72 65 2e 0a 53 6f 6d 65 |ey requi|re..Some|
|00000e00| 20 77 6f 72 72 79 20 74 | 68 61 74 20 74 68 65 20 | worry t|hat the |
|00000e10| 72 65 61 6c 2d 74 69 6d | 65 20 41 45 50 20 77 69 |real-tim|e AEP wi|
|00000e20| 6c 6c 20 66 6f 72 63 65 | 20 65 6d 62 65 64 64 65 |ll force| embedde|
|00000e30| 64 20 73 79 73 74 65 6d | 73 20 74 68 61 74 0a 6e |d system|s that.n|
|00000e40| 65 65 64 20 6f 6e 6c 79 | 20 6f 6e 65 20 6f 72 20 |eed only| one or |
|00000e50| 74 77 6f 20 2e 34 20 66 | 65 61 74 75 72 65 73 20 |two .4 f|eatures |
|00000e60| 74 6f 20 69 6e 63 6f 72 | 70 6f 72 61 74 65 20 6f |to incor|porate o|
|00000e70| 74 68 65 72 73 20 6a 75 | 73 74 20 74 6f 20 61 64 |thers ju|st to ad|
|00000e80| 68 65 72 65 0a 74 6f 20 | 74 68 65 20 73 74 61 6e |here.to |the stan|
|00000e90| 64 61 72 64 2e 20 20 54 | 68 65 20 70 72 6f 62 6c |dard. T|he probl|
|00000ea0| 65 6d 20 74 68 69 73 20 | 70 6f 73 65 73 20 69 73 |em this |poses is|
|00000eb0| 20 6e 6f 74 20 6a 75 73 | 74 20 73 74 6f 72 61 67 | not jus|t storag|
|00000ec0| 65 20 73 70 61 63 65 0a | 77 61 73 74 65 64 20 62 |e space.|wasted b|
|00000ed0| 79 20 75 6e 75 73 65 64 | 20 63 6f 64 65 2c 20 62 |y unused| code, b|
|00000ee0| 75 74 20 74 68 65 20 65 | 78 70 65 6e 73 65 20 6f |ut the e|xpense o|
|00000ef0| 66 20 76 65 72 69 66 79 | 69 6e 67 20 74 68 61 74 |f verify|ing that|
|00000f00| 20 74 68 69 73 20 65 78 | 74 72 61 0a 63 6f 64 65 | this ex|tra.code|
|00000f10| 20 77 69 6c 6c 20 6e 65 | 76 65 72 20 67 65 74 20 | will ne|ver get |
|00000f20| 69 6e 20 74 68 65 20 77 | 61 79 20 6f 66 20 74 68 |in the w|ay of th|
|00000f30| 65 20 61 70 70 6c 69 63 | 61 74 69 6f 6e 2e 20 20 |e applic|ation. |
|00000f40| 54 68 65 20 67 72 6f 75 | 70 20 77 69 6c 6c 20 62 |The grou|p will b|
|00000f50| 65 0a 77 72 65 73 74 6c | 69 6e 67 20 77 69 74 68 |e.wrestl|ing with|
|00000f60| 20 74 68 65 73 65 20 61 | 6e 64 20 73 69 6d 69 6c | these a|nd simil|
|00000f70| 61 72 20 70 72 6f 62 6c | 65 6d 73 20 69 6e 20 74 |ar probl|ems in t|
|00000f80| 68 65 20 6d 6f 6e 74 68 | 73 20 74 6f 20 63 6f 6d |he month|s to com|
|00000f90| 65 2e 0a 0a 4d 61 79 20 | 31 39 39 30 20 53 74 61 |e...May |1990 Sta|
|00000fa0| 6e 64 61 72 64 73 20 55 | 70 64 61 74 65 20 20 20 |ndards U|pdate |
|00000fb0| 20 20 20 20 20 20 20 20 | 20 49 45 45 45 20 31 30 | | IEEE 10|
|00000fc0| 30 33 2e 34 3a 20 52 65 | 61 6c 2d 74 69 6d 65 20 |03.4: Re|al-time |
|00000fd0| 45 78 74 65 6e 73 69 6f | 6e 73 0a 0a 0a 56 6f 6c |Extensio|ns...Vol|
|00000fe0| 75 6d 65 2d 4e 75 6d 62 | 65 72 3a 20 56 6f 6c 75 |ume-Numb|er: Volu|
|00000ff0| 6d 65 20 32 30 2c 20 4e | 75 6d 62 65 72 20 35 0a |me 20, N|umber 5.|
|00001000| 0a | |. | |
+--------+-------------------------+-------------------------+--------+--------+