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57 lines
2.2 KiB
57 lines
2.2 KiB
4 months ago
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.\" Copyright (c) 1994, 1996, 1997
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that: (1) source code distributions
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.\" retain the above copyright notice and this paragraph in its entirety, (2)
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.\" distributions including binary code include the above copyright notice and
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.\" this paragraph in its entirety in the documentation or other materials
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.\" provided with the distribution, and (3) all advertising materials mentioning
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.\" features or use of this software display the following acknowledgement:
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.\" ``This product includes software developed by the University of California,
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.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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.\" the University nor the names of its contributors may be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.TH PCAP_SET_TIMEOUT 3PCAP "6 December 2017"
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.SH NAME
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pcap_set_timeout \- set the packet buffer timeout for a
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not-yet-activated capture handle
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.SH SYNOPSIS
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.nf
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.ft B
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#include <pcap/pcap.h>
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.LP
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.ft B
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int pcap_set_timeout(pcap_t *p, int to_ms);
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.ft
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.fi
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.SH DESCRIPTION
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.BR pcap_set_timeout ()
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sets the packet buffer timeout that will be used on a capture handle
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when the handle is activated to
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.IR to_ms ,
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which is in units of milliseconds. (See
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.BR pcap (3PCAP)
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for an explanation of the packet buffer timeout.)
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.LP
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The behavior, if the timeout isn't specified, is undefined, as is the
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behavior if the timeout is set to zero or to a negative value. We
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recommend always setting the timeout to a non-zero value unless
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immediate mode is set, in which case the timeout has no effect.
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.SH RETURN VALUE
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.BR pcap_set_timeout ()
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returns
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.B 0
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on success or
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.B PCAP_ERROR_ACTIVATED
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if called on a capture handle that has been activated.
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.SH SEE ALSO
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.BR pcap_create (3PCAP),
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.BR pcap_activate (3PCAP),
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.BR \%pcap_set_immediate_mode (3PCAP)
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