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61 lines
2.2 KiB
61 lines
2.2 KiB
.\"Copyright (c) 2013, Michal Sekletar |
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.\"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 the following conditions |
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.\"are met: |
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.\" |
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.\" 1. Redistributions of source code must retain the above copyright |
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.\" notice, this list of conditions and the following disclaimer. |
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.\" 2. Redistributions in binary form must reproduce the above copyright |
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.\" notice, this list of conditions and the following disclaimer in |
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.\" the documentation and/or other materials provided with the |
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.\" distribution. |
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.\" 3. The names of the authors may not be used to endorse or promote |
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.\" products derived from this software without specific prior |
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.\" written permission. |
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.\" |
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.\"THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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.\"IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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.\"WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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.TH PCAP_SET_TSTAMP_PRECISION 3PCAP "5 February 2015" |
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.SH NAME |
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pcap_set_tstamp_precision \- set the time stamp precision returned in |
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captures |
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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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.ft |
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.LP |
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.ft B |
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int pcap_set_tstamp_precision(pcap_t *p, int tstamp_precision); |
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.ft |
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.fi |
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.SH DESCRIPTION |
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.B pcap_set_tstamp_precision() |
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sets the precision of the time stamp desired for packets captured on the pcap |
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descriptor to the type specified by |
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.IR tstamp_precision . |
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It must be called on a pcap descriptor created by |
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.B pcap_create() |
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that has not yet been activated by |
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.BR pcap_activate() . |
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Two time stamp precisions are supported, microseconds and nanoseconds. One can |
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use options |
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.B PCAP_TSTAMP_PRECISION_MICRO and |
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.B PCAP_TSTAMP_PRECISION_NANO |
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to request desired precision. By default, time stamps are in microseconds. |
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.SH RETURN VALUE |
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.B pcap_set_tstamp_precision() |
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returns 0 on success if the specified time stamp precision is expected to be |
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supported by the operating system, |
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.B PCAP_ERROR_TSTAMP_PRECISION_NOTSUP |
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if operating system does not support requested time stamp precision, |
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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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pcap(3PCAP), |
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pcap_get_tstamp_precision(3PCAP), |
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pcap-tstamp(@MAN_MISC_INFO@)
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