04-18-2012
How to capture Output of truus command
Hi I want to check if some process is sleeping. I can see that in truss -p <pid>
I want to capture output and check that output if proces sis sleeping. Please suggest way to capture output of truss command or other way to check if process is sleeping
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LEARN ABOUT FREEBSD
pcap_can_set_rfmon
PCAP_CAN_SET_RFMON(3) Library Functions Manual PCAP_CAN_SET_RFMON(3)
NAME
pcap_can_set_rfmon - check whether monitor mode can be set for a not-yet-activated capture handle
SYNOPSIS
#include <pcap/pcap.h>
int pcap_can_set_rfmon(pcap_t *p);
DESCRIPTION
pcap_can_set_rfmon() checks whether monitor mode could be set on a capture handle when the handle is activated.
RETURN VALUE
pcap_can_set_rfmon() returns 0 if monitor mode could not be set, 1 if monitor mode could be set, PCAP_ERROR_NO_SUCH_DEVICE if the capture
source specified when the handle was created doesn't exist, PCAP_ERROR_PERM_DENIED if the process doesn't have permission to check whether
monitor mode could be supported, PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated, or PCAP_ERROR if an error
occurred. If PCAP_ERROR is returned, pcap_geterr() or pcap_perror() may be called with p as an argument to fetch or display the error
text.
SEE ALSO
pcap(3), pcap_create(3), pcap_activate(3), pcap_set_rfmon(3)
18 May 2010 PCAP_CAN_SET_RFMON(3)