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(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
pcap_set_rfmon(3PCAP)