unix_ipc.nr

早期freebsd实现

.(z L
.br
.nr g1 3155u
.nr g2 4031u
.GS C
.nr g3 \n(.f
.nr g4 \n(.s
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.sp -1
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.sp -1
.ft I
.ps 12
.nr g8 \n(.d
.ds g9 "data flow
.sp 87u
\h'613u'\&\*(g9
.sp |\n(g8u
.ft I
.ps 12
.nr g8 \n(.d
.ds g9 "control flow
.sp 87u
\h'1840u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "DoD IP
.sp -1052u
\h'2103u'\&\*(g9
.sp |\n(g8u
.sp -789u
\h'2629u'\D'l -31u -8u'\D'l 20u -4u'\D'l 4u -19u'\D'l 7u 31u'
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.sp 175u
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.sp -1
.sp 2716u
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.sp -1
.sp -569u
\h'1621u'\D'l 395u 131u'
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.sp -307u
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.sp -1
.sp 789u
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.sp -1
.sp 263u
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.sp -1
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.sp -1
.sp -877u
\h'1665u'\D'l 175u 0u'
.sp -1
.sp 877u
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.sp -1
.sp -877u
\h'1008u'\D'l 131u 0u'
.sp -1
.sp -701u
\h'1139u'\D'g -350u 0u -176u 88u -87u 175u 0u 88u'
.sp -1
.sp -613u
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.sp -1
.sp -175u
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.sp -1
.sp -482u
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.sp -1
.sp -44u
\h'964u'\D'l 263u 132u'
.sp -1
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "proto n
.sp 2936u
\h'1271u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "proto 1
.sp 2015u
\h'1271u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "mbufs
.sp 1752u
\h'2586u'\&\*(g9
.sp |\n(g8u
.sp 2892u
\h'1139u'\D'c 525u'
.sp -1
.sp -877u
\h'1139u'\D'c 525u'
.sp -1
.sp 351u
\h'2016u'\D'c 525u'
.sp -1
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "switch
.sp 219u
\h'438u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "protocol
.sp -88u
\h'438u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "transport
.sp -351u
\h'438u'\&\*(g9
.sp |\n(g8u
.sp -701u
\h'263u'\D'l 0u 1402u'\D'l 701u 0u'\D'l 0u -1402u'\D'l -701u 0u'
.sp -1
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "sockets
.sp -351u
\h'1402u'\&\*(g9
.sp |\n(g8u
.sp -439u
\h'1139u'\D'c 876u'
.sp -1
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "tables
.sp -263u
\h'2586u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "routing
.sp -394u
\h'2586u'\&\*(g9
.sp |\n(g8u
.sp -350u
\h'2454u'\D'c 525u'
.sp -1
.sp -1051u
\h'2366u'\D'c 701u'
.sp -1
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "management
.sp 131u
\h'2454u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "network
\h'2498u'\&\*(g9
.sp |\n(g8u
\D's 4u'\D't 1u'
.sp -1
.sp 438u
\h'1183u'\D'l 789u 0u'
.sp -1
.ft I
.ps 12
.nr g8 \n(.d
.ds g9 "kernel
.sp 176u
\&\*(g9
.sp |\n(g8u
.ft I
.ps 12
.nr g8 \n(.d
.ds g9 "user
.sp -87u
\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "drivers
.sp 2892u
\h'2629u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "interface
.sp 2760u
\h'2629u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "network 
.sp 2629u
\h'2629u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "clock
.sp 438u
\h'613u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "system calls
.sp 219u
\h'1358u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "C library
.sp -87u
\h'1402u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "user
.sp -482u
\h'657u'\&\*(g9
.sp |\n(g8u
.ft B
.ps 12
.nr g8 \n(.d
.ds g9 "program
.sp -350u
\h'613u'\&\*(g9
.sp |\n(g8u
\D's -1u'\D't 3u'
.sp -1
.sp 44u
\h'1183u'\D'c 788u'
.sp -1
.sp 2629u
\h'2454u'\D'c 701u'
.sp -1
.sp -1184u
\h'2454u'\D'c 525u'
.sp -1
.sp -1051u
\h'438u'\D'c 525u'
.sp -1
.sp -876u
\h'526u'\D'c 525u'
.sp -1
.sp 438u
\h'1183u'\D'l -1183u 0u'
.sp -1
\h'1972u'\D'l 1183u 0u'
.sp -1
.sp 1270u
\h'1928u'\D'l 17u 28u'\D'l -17u -11u'\D'l -16u 11u'\D'l 16u -28u'
.sp -1
.sp 1972u
\D't 3u'\D's -1u'
.br
.ft \n(g3
.ps \n(g4
.GE
.ce
\fBFigure \n+(FG\fR:  IPC in 4.2 Unix
.)z