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PCAP_SET_TSTAMP_PRECISION
Section: Misc. Reference Manual Pages (3PCAP) Updated: 23 August 2018 Index
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NAME
pcap_set_tstamp_precision - set the time stamp precision returned in
captures
SYNOPSIS
#include <pcap/pcap.h>
int pcap_set_tstamp_precision(pcap_t *p, int tstamp_precision);
DESCRIPTION
pcap_set_tstamp_precision()
sets the precision of the time stamp desired for packets captured on the pcap
descriptor to the type specified by
tstamp_precision.
It must be called on a pcap descriptor created by
pcap_create(3PCAP)
that has not yet been activated by
pcap_activate(3PCAP).
Two time stamp precisions are supported, microseconds and nanoseconds. One can
use options
PCAP_TSTAMP_PRECISION_MICRO
and
PCAP_TSTAMP_PRECISION_NANO
to request desired precision. By default, time stamps are in microseconds.
RETURN VALUE
pcap_set_tstamp_precision()
returns
0
on success if the specified time stamp precision is expected to be
supported by the capture device,
PCAP_ERROR_TSTAMP_PRECISION_NOTSUP
if the capture device does not support the requested time stamp
precision,
PCAP_ERROR_ACTIVATED
if called on a capture handle that has been activated.
BACKWARD COMPATIBILITY
This function became available in libpcap release 1.5.1. In previous
releases, time stamps from a capture device or savefile are always given
in seconds and microseconds.
SEE ALSO
pcap(3PCAP),
pcap_get_tstamp_precision(3PCAP),
pca-tstamp(7)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- BACKWARD COMPATIBILITY
-
- SEE ALSO
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