pcap_set_tstamp_type(3PCAP) man page
Updated: 8 September 2019 • View in plain text •
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This man page documents libpcap version 1.11.0-PRE-GIT (see also: 1.10.4, 1.10.2, 1.10.1, 1.10.0, 1.9.1, 1.8.1, 1.7.4, 1.6.2, 1.5.3).
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pcap_set_tstamp_type - set the time stamp type to be used by a
capture device
SYNOPSIS
#include <pcap/pcap.h> int pcap_set_tstamp_type(pcap_t *p, int tstamp_type);
DESCRIPTION
pcap_set_tstamp_type()
sets the type of time stamp desired for packets captured on the pcap
descriptor to the type specified by
tstamp_type.
It must be called on a pcap descriptor created by
pcap_create(3PCAP)
that has not yet been activated by
pcap_activate(3PCAP).
pcap_list_tstamp_types(3PCAP)
will give a list of the time stamp types supported by a given capture
device.
See
pcap-tstamp(7)
for a list of all the time stamp types.
RETURN VALUE
pcap_set_tstamp_type()
returns
0
on success if the specified time stamp type is expected to be
supported by the capture device,
PCAP_WARNING_TSTAMP_TYPE_NOTSUP
if the specified time stamp type is not supported by the
capture device,
PCAP_ERROR_ACTIVATED
if called on a capture handle that has been activated, and
PCAP_ERROR_CANTSET_TSTAMP_TYPE
if the capture device doesn't support setting the time stamp type (only
older versions of libpcap will return that; newer versions will always
allow the time stamp type to be set to the default type).
BACKWARD COMPATIBILITY
This function became available in libpcap release 1.2.1. In previous releases, the time stamp type cannot be set; only the default time stamp type offered by a capture source is available.
SEE ALSO
COLOPHON
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