home *** CD-ROM | disk | FTP | other *** search
/ Usenet 1994 January / usenetsourcesnewsgroupsinfomagicjanuary1994.iso / sources / std_unix / v22 / 048 < prev    next >
Mailbox/MIME Entity  |  1991-03-07  |  1.9 KB

open in: MacOS 8.1     |     Win98     |     DOS

browse contents    |     view JSON data     |     view as text


This file was processed as: Mailbox/MIME Entity (archive/mbox).

ConfidenceProgramDetectionMatch TypeSupport
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@cs.utexas.edu Mon Dec 31 16:04:46 1990", ASCII text default
100% TrID E-Mail message (Var. 2) default
100% checkBytes Printable ASCII default
100% perlTextCheck Likely Text (Perl) default
100% siegfried x-fmt/111 Plain Text File default
100% detectItEasy Format: plain text[LF] default (weak)
100% xdgMime application/mbox default



hex view
+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6a 73 71 | 40 63 73 2e 75 74 65 78 |From jsq|@cs.utex|
|00000010| 61 73 2e 65 64 75 20 20 | 4d 6f 6e 20 44 65 63 20 |as.edu |Mon Dec |
|00000020| 33 31 20 31 36 3a 30 34 | 3a 34 36 20 31 39 39 30 |31 16:04|:46 1990|
|00000030| 0a 52 65 63 65 69 76 65 | 64 3a 20 66 72 6f 6d 20 |.Receive|d: from |
|00000040| 63 73 2e 75 74 65 78 61 | 73 2e 65 64 75 20 62 79 |cs.utexa|s.edu by|
|00000050| 20 75 75 6e 65 74 2e 55 | 55 2e 4e 45 54 20 28 35 | uunet.U|U.NET (5|
|00000060| 2e 36 31 2f 31 2e 31 34 | 29 20 77 69 74 68 20 53 |.61/1.14|) with S|
|00000070| 4d 54 50 20 0a 09 69 64 | 20 41 41 32 39 32 38 35 |MTP ..id| AA29285|
|00000080| 3b 20 4d 6f 6e 2c 20 33 | 31 20 44 65 63 20 39 30 |; Mon, 3|1 Dec 90|
|00000090| 20 31 36 3a 30 34 3a 34 | 36 20 2d 30 35 30 30 0a | 16:04:4|6 -0500.|
|000000a0| 50 6f 73 74 65 64 2d 44 | 61 74 65 3a 20 33 30 20 |Posted-D|ate: 30 |
|000000b0| 44 65 63 20 39 30 20 30 | 33 3a 31 31 3a 32 33 20 |Dec 90 0|3:11:23 |
|000000c0| 47 4d 54 0a 52 65 63 65 | 69 76 65 64 3a 20 62 79 |GMT.Rece|ived: by|
|000000d0| 20 63 73 2e 75 74 65 78 | 61 73 2e 65 64 75 20 28 | cs.utex|as.edu (|
|000000e0| 35 2e 36 34 2f 31 2e 39 | 32 29 20 0a 46 72 6f 6d |5.64/1.9|2) .From|
|000000f0| 3a 20 70 65 74 65 72 40 | 66 69 63 63 2e 66 65 72 |: peter@|ficc.fer|
|00000100| 72 61 6e 74 69 2e 63 6f | 6d 20 28 50 65 74 65 72 |ranti.co|m (Peter|
|00000110| 20 64 61 20 53 69 6c 76 | 61 29 0a 4e 65 77 73 67 | da Silv|a).Newsg|
|00000120| 72 6f 75 70 73 3a 20 63 | 6f 6d 70 2e 73 74 64 2e |roups: c|omp.std.|
|00000130| 75 6e 69 78 0a 53 75 62 | 6a 65 63 74 3a 20 52 65 |unix.Sub|ject: Re|
|00000140| 3a 20 71 66 6f 72 6b 28 | 29 20 28 54 68 65 20 53 |: qfork(|) (The S|
|00000150| 70 61 77 6e 20 6f 66 20 | 73 70 61 77 6e 28 29 29 |pawn of |spawn())|
|00000160| 0a 4d 65 73 73 61 67 65 | 2d 49 64 3a 20 3c 31 36 |.Message|-Id: <16|
|00000170| 33 36 39 40 63 73 2e 75 | 74 65 78 61 73 2e 65 64 |369@cs.u|texas.ed|
|00000180| 75 3e 0a 52 65 66 65 72 | 65 6e 63 65 73 3a 20 3c |u>.Refer|ences: <|
|00000190| 31 36 30 36 36 40 63 73 | 2e 75 74 65 78 61 73 2e |16066@cs|.utexas.|
|000001a0| 65 64 75 3e 20 3c 31 36 | 32 37 31 40 63 73 2e 75 |edu> <16|271@cs.u|
|000001b0| 74 65 78 61 73 2e 65 64 | 75 3e 20 3c 31 36 33 30 |texas.ed|u> <1630|
|000001c0| 37 40 63 73 2e 75 74 65 | 78 61 73 2e 65 64 75 3e |7@cs.ute|xas.edu>|
|000001d0| 0a 53 65 6e 64 65 72 3a | 20 6a 73 71 40 63 73 2e |.Sender:| jsq@cs.|
|000001e0| 75 74 65 78 61 73 2e 65 | 64 75 0a 52 65 70 6c 79 |utexas.e|du.Reply|
|000001f0| 2d 54 6f 3a 20 70 65 74 | 65 72 40 66 69 63 63 2e |-To: pet|er@ficc.|
|00000200| 66 65 72 72 61 6e 74 69 | 2e 63 6f 6d 20 28 50 65 |ferranti|.com (Pe|
|00000210| 74 65 72 20 64 61 20 53 | 69 6c 76 61 29 0a 4f 72 |ter da S|ilva).Or|
|00000220| 67 61 6e 69 7a 61 74 69 | 6f 6e 3a 20 58 65 6e 69 |ganizati|on: Xeni|
|00000230| 78 20 53 75 70 70 6f 72 | 74 2c 20 46 49 43 43 0a |x Suppor|t, FICC.|
|00000240| 58 2d 53 75 62 6d 69 73 | 73 69 6f 6e 73 3a 20 73 |X-Submis|sions: s|
|00000250| 74 64 2d 75 6e 69 78 40 | 75 75 6e 65 74 2e 75 75 |td-unix@|uunet.uu|
|00000260| 2e 6e 65 74 0a 44 61 74 | 65 3a 20 33 30 20 44 65 |.net.Dat|e: 30 De|
|00000270| 63 20 39 30 20 30 33 3a | 31 31 3a 32 33 20 47 4d |c 90 03:|11:23 GM|
|00000280| 54 0a 54 6f 3a 20 73 74 | 64 2d 75 6e 69 78 40 75 |T.To: st|d-unix@u|
|00000290| 75 6e 65 74 2e 55 55 2e | 4e 45 54 0a 0a 53 75 62 |unet.UU.|NET..Sub|
|000002a0| 6d 69 74 74 65 64 2d 62 | 79 3a 20 70 65 74 65 72 |mitted-b|y: peter|
|000002b0| 40 66 69 63 63 2e 66 65 | 72 72 61 6e 74 69 2e 63 |@ficc.fe|rranti.c|
|000002c0| 6f 6d 20 28 50 65 74 65 | 72 20 64 61 20 53 69 6c |om (Pete|r da Sil|
|000002d0| 76 61 29 0a 0a 49 6e 20 | 61 72 74 69 63 6c 65 20 |va)..In |article |
|000002e0| 3c 31 36 33 30 37 40 63 | 73 2e 75 74 65 78 61 73 |<16307@c|s.utexas|
|000002f0| 2e 65 64 75 3e 20 6a 66 | 68 40 72 70 70 33 38 36 |.edu> jf|h@rpp386|
|00000300| 2e 63 61 63 74 75 73 2e | 6f 72 67 20 28 4a 6f 68 |.cactus.|org (Joh|
|00000310| 6e 20 46 20 48 61 75 67 | 68 20 49 49 29 20 77 72 |n F Haug|h II) wr|
|00000320| 69 74 65 73 3a 0a 3e 20 | 77 68 61 74 20 69 73 20 |ites:.> |what is |
|00000330| 70 72 6f 62 61 62 6c 79 | 20 6e 65 65 64 65 64 20 |probably| needed |
|00000340| 69 73 20 61 20 22 73 70 | 61 77 6e 28 29 22 20 66 |is a "sp|awn()" f|
|00000350| 75 6e 63 74 69 6f 6e 20 | 28 67 6f 64 2c 20 69 20 |unction |(god, i |
|00000360| 6e 65 76 65 72 20 74 68 | 6f 75 67 68 74 20 69 27 |never th|ought i'|
|00000370| 64 0a 3e 20 61 64 76 6f | 63 61 74 65 20 73 75 63 |d.> advo|cate suc|
|00000380| 68 20 61 20 63 72 69 74 | 74 65 72 29 20 77 68 69 |h a crit|ter) whi|
|00000390| 63 68 20 63 61 6e 20 62 | 65 20 72 65 73 70 6f 6e |ch can b|e respon|
|000003a0| 73 69 62 6c 65 20 66 6f | 72 20 75 6e 64 65 72 73 |sible fo|r unders|
|000003b0| 74 61 6e 64 69 6e 67 20 | 74 68 65 0a 3e 20 6c 65 |tanding |the.> le|
|000003c0| 67 61 6c 65 73 65 2e 0a | 0a 57 6f 77 2c 20 74 68 |galese..|.Wow, th|
|000003d0| 69 73 20 69 73 20 74 68 | 65 20 73 61 6d 65 20 6d |is is th|e same m|
|000003e0| 61 6e 20 77 68 6f 20 65 | 76 65 72 20 73 6f 20 70 |an who e|ver so p|
|000003f0| 6f 6c 69 74 65 6c 79 20 | 66 6c 61 6d 65 64 20 6d |olitely |flamed m|
|00000400| 65 20 66 6f 72 20 64 61 | 72 69 6e 67 20 74 6f 20 |e for da|ring to |
|00000410| 6d 61 6b 65 0a 73 75 63 | 68 20 61 20 73 75 67 67 |make.suc|h a sugg|
|00000420| 65 73 74 69 6f 6e 2e 20 | 66 6f 72 6b 20 63 61 6e |estion. |fork can|
|00000430| 20 62 65 20 69 6d 70 6c | 65 6d 65 6e 74 65 64 20 | be impl|emented |
|00000440| 6f 6e 20 61 20 6c 61 72 | 67 65 20 6e 75 6d 62 65 |on a lar|ge numbe|
|00000450| 72 20 6f 66 20 4f 2f 53 | 65 73 2c 20 62 75 74 0a |r of O/S|es, but.|
|00000460| 69 74 27 73 20 72 61 74 | 68 65 72 20 65 78 70 65 |it's rat|her expe|
|00000470| 6e 73 69 76 65 2e 20 49 | 66 20 74 68 65 20 50 4f |nsive. I|f the PO|
|00000480| 53 49 58 20 73 74 61 6e | 64 61 72 64 20 69 6e 63 |SIX stan|dard inc|
|00000490| 6c 75 64 65 73 20 73 6f | 6d 65 74 68 69 6e 67 20 |ludes so|mething |
|000004a0| 6c 69 6b 65 20 61 0a 73 | 70 61 77 6e 28 29 2c 20 |like a.s|pawn(), |
|000004b0| 74 68 61 74 27 6c 6c 20 | 73 75 72 65 20 69 6e 63 |that'll |sure inc|
|000004c0| 72 65 61 73 65 20 74 68 | 65 20 65 66 66 69 63 69 |rease th|e effici|
|000004d0| 65 6e 63 79 20 6f 66 20 | 61 20 6c 6f 74 20 6f 66 |ency of |a lot of|
|000004e0| 20 50 4f 53 49 58 20 73 | 6f 66 74 77 61 72 65 20 | POSIX s|oftware |
|000004f0| 6f 6e 0a 73 79 73 74 65 | 6d 73 20 74 68 61 74 20 |on.syste|ms that |
|00000500| 68 61 76 65 20 62 65 65 | 6e 20 73 68 6f 65 68 6f |have bee|n shoeho|
|00000510| 72 6e 65 64 20 69 6e 74 | 6f 20 74 68 65 20 6d 6f |rned int|o the mo|
|00000520| 64 65 6c 2e 0a 0a 59 65 | 73 2c 20 66 6f 72 6b 28 |del...Ye|s, fork(|
|00000530| 29 20 69 73 20 61 20 63 | 6c 65 61 6e 65 72 20 6d |) is a c|leaner m|
|00000540| 65 74 68 6f 64 20 6f 66 | 20 63 72 65 61 74 69 6e |ethod of| creatin|
|00000550| 67 20 6e 65 77 20 70 72 | 6f 63 65 73 73 65 73 2e |g new pr|ocesses.|
|00000560| 20 59 65 73 2c 20 69 74 | 20 74 61 6b 65 73 0a 61 | Yes, it| takes.a|
|00000570| 20 66 61 69 72 6c 79 20 | 63 6f 6d 70 6c 65 78 20 | fairly |complex |
|00000580| 63 61 6c 6c 69 6e 67 20 | 73 65 71 75 65 6e 63 65 |calling |sequence|
|00000590| 20 74 6f 20 67 65 74 20 | 73 70 61 77 6e 28 29 20 | to get |spawn() |
|000005a0| 74 6f 20 68 61 76 65 20 | 61 6e 79 74 68 69 6e 67 |to have |anything|
|000005b0| 20 6c 69 6b 65 0a 74 68 | 65 20 66 75 6e 63 74 69 | like.th|e functi|
|000005c0| 6f 6e 61 6c 69 74 79 20 | 6f 66 20 66 6f 72 6b 28 |onality |of fork(|
|000005d0| 29 2e 2e 2e 65 78 65 63 | 28 29 2e 20 42 75 74 20 |)...exec|(). But |
|000005e0| 49 20 74 68 69 6e 6b 20 | 69 74 27 64 20 62 65 20 |I think |it'd be |
|000005f0| 77 6f 72 74 68 77 68 69 | 6c 65 20 74 6f 0a 6c 65 |worthwhi|le to.le|
|00000600| 74 20 61 20 6c 69 74 74 | 6c 65 20 68 65 72 65 73 |t a litt|le heres|
|00000610| 79 20 69 6e 20 69 6e 20 | 65 78 63 68 61 6e 67 65 |y in in |exchange|
|00000620| 20 66 6f 72 20 6d 61 6b | 69 6e 67 20 50 4f 53 49 | for mak|ing POSI|
|00000630| 58 20 6d 6f 72 65 20 70 | 61 6c 61 74 61 62 6c 65 |X more p|alatable|
|00000640| 20 74 6f 0a 66 6f 6c 6b | 73 20 69 6e 20 70 6f 6f | to.folk|s in poo|
|00000650| 72 65 72 20 65 6e 76 69 | 72 6f 6e 6d 65 6e 74 73 |rer envi|ronments|
|00000660| 2e 0a 0a 54 68 65 20 66 | 65 77 20 63 61 73 65 73 |...The f|ew cases|
|00000670| 20 77 68 65 72 65 20 73 | 70 61 77 6e 28 29 20 77 | where s|pawn() w|
|00000680| 6f 6e 27 74 20 66 69 74 | 20 77 6f 75 6c 64 20 75 |on't fit| would u|
|00000690| 73 75 61 6c 6c 79 20 62 | 65 20 62 65 74 74 65 72 |sually b|e better|
|000006a0| 20 61 64 64 72 65 73 73 | 65 64 20 62 79 0a 73 6f | address|ed by.so|
|000006b0| 6d 65 74 68 69 6e 67 20 | 6c 69 6b 65 20 74 68 72 |mething |like thr|
|000006c0| 65 61 64 73 20 61 6e 79 | 77 61 79 2e 2e 2e 0a 2d |eads any|way....-|
|000006d0| 2d 20 0a 50 65 74 65 72 | 20 64 61 20 53 69 6c 76 |- .Peter| da Silv|
|000006e0| 61 2e 20 20 20 60 2d 5f | 2d 27 20 20 20 20 22 45 |a. `-_|-' "E|
|000006f0| 61 74 20 68 6f 74 20 64 | 69 67 69 74 61 6c 20 64 |at hot d|igital d|
|00000700| 65 61 74 68 2c 20 6d 61 | 69 6e 66 72 61 6d 65 20 |eath, ma|inframe |
|00000710| 73 63 75 6d 21 22 0a 2b | 31 20 37 31 33 20 32 37 |scum!".+|1 713 27|
|00000720| 34 20 35 31 38 30 2e 20 | 20 20 27 55 60 20 20 20 |4 5180. | 'U` |
|00000730| 20 20 20 20 20 20 20 2d | 2d 20 41 74 74 61 63 6b | -|- Attack|
|00000740| 20 6f 66 20 74 68 65 20 | 4b 69 6c 6c 65 72 20 4d | of the |Killer M|
|00000750| 69 63 72 6f 73 2e 0a 70 | 65 74 65 72 40 66 65 72 |icros..p|eter@fer|
|00000760| 72 61 6e 74 69 2e 63 6f | 6d 0a 0a 56 6f 6c 75 6d |ranti.co|m..Volum|
|00000770| 65 2d 4e 75 6d 62 65 72 | 3a 20 56 6f 6c 75 6d 65 |e-Number|: Volume|
|00000780| 20 32 32 2c 20 4e 75 6d | 62 65 72 20 34 38 0a 0a | 22, Num|ber 48..|
+--------+-------------------------+-------------------------+--------+--------+