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19 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 .oh 'Introductory 4.4BSD IPC''PSD:20-%'
29 .eh 'PSD:20-%''Introductory 4.4BSD IPC'
92 Pipes allow one-way data transmission from one process
163 therefore, typically precede, or are included in, an if-statement.
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235 while the socket in the high end is opened only for writing.
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253 It is a one-way communication mechanism, with one end opened
260 If the parent and child are to have a two-way conversation,
278 pair of connected sockets for one-way stream communication. One may
279 obtain a pair of connected sockets for two-way stream communication
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331 What if we wanted to have processes that have no common ancestor
368 is reliable, error-free, and, as in pipes, no message boundaries are
381 recipient. If no response
394 situations, it is best to seek the most up-to-date information when
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444 the socket because no other process has to refer to it.
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470 There is no established means of communicating names to interested
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492 Internet addresses specify a host address (a 32-bit number)
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545 or ``well-known'' port numbers. These fall in the range
569 such as 68000-based machines, this is a null operation. On others,
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670 It avoids blocking when there are no pending connection requests by
683 \fIout-of-band\fP data (discussed briefly below). These differences
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711 \fIWrite()\fP requires a connected socket since no destination is
715 write applications that require no assumptions about the source of
723 It is sometimes necessary to send high priority data over a
730 Rather than have the high priority data wait
732 send it as \fIout-of-band\fP
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838 The two communication domains, UNIX and Internet, allow processes with no common
897 (DoD), ARPA Order No. 4031, monitored by the Naval Electronics Systems
898 Command under contract No. N00039-C-0235.
913 Englewood Cliffs, N.J.: Prentice-Hall.
918 Englewood Cliffs, N.J.: Prentice-Hall.