Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!ucsd!pacbell.com!pacbell!att!dptg!lzga!bogatko
From: bogatko@lzga.ATT.COM (George Bogatko)
Newsgroups: comp.unix.wizards
Subject: Re: Help needed with System V message queues
Summary: PICTURE of how they work (pic file)
Keywords: SYSV messagequeue
Message-ID: <1991@lzga.ATT.COM>
Date: 8 Aug 90 16:38:08 GMT
References: <1169@compel.UUCP>
Organization: AT&T BL Middletown/Lincroft NJ USA
Lines: 237


HI:
	here is the pic file for the previous article.

*******
.nf
.PS
scale=100
define t851 |
[ box invis ht 74 wid 320 with .sw at 0,0
"\fR\s16\&Mapping a Message Queue ID \f1\s0" at 160,62
"\fR\s16\&to A 28 Byte Message\f1\s0" at 160,37
"\fR\s16\&in Kernal Memory\f1\s0" at 160,12
] |

define t850 |
[ box invis ht 56 wid 82 with .sw at 0,0
"\fR\s12\&MESSAGE\f1\s0" at 41,47
"\fR\s12\&QUEUE\f1\s0" at 41,28
"\fR\s12\&ID\f1\s0" at 41,9
] |

define t849 |
[ box invis ht 96 wid 16 with .sw at 0,0
"\fR\s10\&M\f1\s0" at 8,88
"\fR\s10\&S\f1\s0" at 8,72
"\fR\s10\&G\f1\s0" at 8,56
"\fR\s10\&T\f1\s0" at 8,40
"\fR\s10\&Q\f1\s0" at 8,24
"\fR\s10\&L\f1\s0" at 8,8
] |

define t848 |
[ box invis ht 64 wid 8 with .sw at 0,0
"\fR\s10\&.\f1\s0" at 4,56
"\fR\s10\&.\f1\s0" at 4,40
"\fR\s10\&.\f1\s0" at 4,24
"\fR\s10\&\f1\s0" at 4,8
] |

define t833 |
[ box invis ht 96 wid 16 with .sw at 0,0
"\fR\s10\&M\f1\s0" at 8,88
"\fR\s10\&S\f1\s0" at 8,72
"\fR\s10\&G\f1\s0" at 8,56
"\fR\s10\&M\f1\s0" at 8,40
"\fR\s10\&N\f1\s0" at 8,24
"\fR\s10\&I\f1\s0" at 8,8
] |

define t829 |
[ box invis ht 64 wid 8 with .sw at 0,0
"\fR\s10\&.\f1\s0" at 4,56
"\fR\s10\&.\f1\s0" at 4,40
"\fR\s10\&.\f1\s0" at 4,24
"\fR\s10\&\f1\s0" at 4,8
] |

define t823 |
[ box invis ht 96 wid 40 with .sw at 0,0
"\fR\s10\&M\f1\s0" at 20,88
"\fR\s10\&S\f1\s0" at 20,72
"\fR\s10\&G\f1\s0" at 20,56
"\fR\s10\&  S  \f1\s0" at 20,40
"\fR\s10\&E\f1\s0" at 20,24
"\fR\s10\&G\f1\s0" at 20,8
] |

define t809 |
[ box invis ht 64 wid 8 with .sw at 0,0
"\fR\s10\&.\f1\s0" at 4,56
"\fR\s10\&.\f1\s0" at 4,40
"\fR\s10\&.\f1\s0" at 4,24
"\fR\s10\&\f1\s0" at 4,8
] |

define t800 |
[ box invis ht 192 wid 16 with .sw at 0,0
"\fR\s10\&M\f1\s0" at 8,184
"\fR\s10\&A\f1\s0" at 8,168
"\fR\s10\&P\f1\s0" at 8,152
"\fR\s10\&P\f1\s0" at 8,136
"\fR\s10\&E\f1\s0" at 8,120
"\fR\s10\&D\f1\s0" at 8,104
"\fR\s10\&\f1\s0" at 8,88
"\fR\s10\&S\f1\s0" at 8,72
"\fR\s10\&L\f1\s0" at 8,56
"\fR\s10\&O\f1\s0" at 8,40
"\fR\s10\&T\f1\s0" at 8,24
"\fR\s10\&S\f1\s0" at 8,8
] |

define m0 |
[ box invis ht 96 wid 32 with .sw at 0,0
line  from 16,0 to 16,96 
line  from 0,0 to 32,0 
] |

box invis ht 784 wid 512 with .sw at 0,0
t851 with .nw at 114,780
line  from 464,688 to 464,648 
line -> from 104,624 to 176,624 
t850 with .nw at 11,645
box ht 72 wid 104 with .nw at 0,656 
t849 with .nw at 456,634
t848 with .nw at 396,474
"\fR\s10\&struct msg\f1\s0" at 400,406
"\fR\s10\&struct msg\f1\s0" at 400,486
"\fR\s10\&struct msg\f1\s0" at 400,518
"\fR\s10\&struct msg\f1\s0" at 400,502
"\fR\s10\&struct msg\f1\s0" at 400,534
"\fR\s10\&struct msg\f1\s0" at 400,550
"\fR\s10\&struct msg\f1\s0" at 400,566
"\fR\s10\&struct msg\f1\s0" at 400,582
"\fR\s10\&struct msg\f1\s0" at 400,598
"\fR\s10\&struct msg\f1\s0" at 400,614
"\fR\s10\&struct msg\f1\s0" at 400,630
"\fR\s10\&struct msg\f1\s0" at 400,662
"\fR\s10\&struct msg\f1\s0" at 400,646
"\fR\s10\&struct msg\f1\s0" at 400,678
line  from 360,416 to 440,416 
line  from 360,480 to 440,480 
line  from 360,496 to 440,496 
line  from 360,512 to 440,512 
line  from 360,528 to 440,528 
line  from 360,544 to 440,544 
line  from 360,560 to 440,560 
line  from 360,576 to 440,576 
line  from 360,592 to 440,592 
line  from 360,608 to 440,608 
line  from 360,624 to 440,624 
line  from 360,640 to 440,640 
line  from 360,656 to 440,656 
line  from 360,672 to 440,672 
box ht 288 wid 80 with .nw at 360,688 
line  from 448,400 to 480,400 
line  from 448,688 to 480,688 
t833 with .nw at 144,590
"\fR\s10\&struct msqid_ds\f1\s0" at 236,570
"\fR\s10\&struct msqid_ds\f1\s0" at 236,594
"\fR\s10\&struct msqid_ds\f1\s0" at 236,618
t829 with .nw at 232,506
box ht 264 wid 112 with .nw at 176,680 
line  from 176,440 to 288,440 
line  from 176,512 to 288,512 
line  from 176,536 to 288,536 
line  from 176,560 to 288,560 
line  from 176,584 to 288,584 
line  from 176,608 to 288,608 
line  from 176,632 to 288,632 
line  from 176,656 to 288,656 
"\fR\s10\&struct msqid_ds\f1\s0" at 236,666
"\fR\s10\&struct msqid_ds\f1\s0" at 236,642
"\fR\s10\&struct msqid_ds\f1\s0" at 232,426
"\fR\s10\&struct msqid_ds\f1\s0" at 236,522
"\fR\s10\&struct msqid_ds\f1\s0" at 236,546
line  from 136,416 to 168,416 
line  from 136,680 to 168,680 
line  from 152,416 to 152,488 
line  from 152,680 to 152,600 
line  from 296,320 to 296,280 
line  from 280,320 to 312,320 
line  from 296,0 to 296,64 
line  from 280,0 to 312,0 
m0 with .nw at 136,96
line  from 152,320 to 152,216 
line  from 136,320 to 168,320 
t823 with .nw at 132,202
line  from 176,344 to 192,344 
line  from 176,328 to 176,360 
"\fR\s10\&MSGSSZ\f1\s0" at 224,342
line  from 272,328 to 272,360 
line  from 272,344 to 256,344 
line  from 272,248 to 336,304 dotted
line  from 336,248 to 496,248 dotted
box ht 240 wid 160 with .nw at 336,304 
"\fR\s16\&1-8\f1\s0" at 372,273
"\fR\s12\&USED\f1\s0" at 444,273
"\fR\s16\&17-24\f1\s0" at 376,177
"\fR\s12\&USED\f1\s0" at 448,177
"\fR\s12\&USED\f1\s0" at 444,225
"\fR\s16\&9-16\f1\s0" at 376,225
"\fR\s16\&29-32\f1\s0" at 444,125
"\fR\s16\&25-28\f1\s0" at 376,125
"\fR\s12\&WASTED\f1\s0" at 452,89
"\fR\s12\&USED\f1\s0" at 376,89
line  from 408,152 to 336,152 dotted
line  from 408,152 to 408,64 
line  from 408,152 to 496,152 
line  from 336,200 to 496,200 dotted
"\fR\s12\&8\f1\s0" at 224,233
"\fR\s12\&8\f1\s0" at 224,305
t809 with .nw at 220,94
box ht 320 wid 96 with .nw at 176,320 
line  from 176,32 to 272,32 
line  from 176,104 to 272,104 
line  from 176,128 to 272,128 
line  from 176,152 to 272,152 
line  from 176,176 to 272,176 
line  from 176,200 to 272,200 
line  from 176,224 to 272,224 
line  from 176,248 to 272,248 
line  from 176,272 to 272,272 
line  from 176,296 to 272,296 
"\fR\s12\&8\f1\s0" at 224,281
"\fR\s12\&8\f1\s0" at 224,257
"\fR\s12\&8\f1\s0" at 224,113
"\fR\s12\&8\f1\s0" at 224,13
"\fR\s12\&8\f1\s0" at 224,137
"\fR\s12\&8\f1\s0" at 224,161
"\fR\s12\&8\f1\s0" at 224,185
"\fR\s12\&8\f1\s0" at 224,209
line  from 272,152 to 336,64 dotted
spline -> from 440,536\
to 512,536\
to 512,376\
to 120,376\
to 120,248\
to 176,248
spline -> from 360,536\
to 312,512\
to 360,488
spline -> from 360,584\
to 320,552\
to 360,536
spline -> from 360,632\
to 328,600\
to 360,584
line -> from 288,624 to 360,632 
t800 with .nw at 288,262
"\fR\s10\&SLOT 7\f1\s0" at 532,110
"\fR\s10\&SLOT 6\f1\s0" at 532,178
"\fR\s10\&SLOT 5\f1\s0" at 532,222
"\fR\s10\&SLOT 4\f1\s0" at 532,274
line  from 464,400 to 464,528 
.PE
.fi