NAME
getrtable,
setrtable —
get or set the default routing table of
the current process
SYNOPSIS
#include
<sys/types.h>
#include <sys/socket.h>
int
getrtable(void);
int
setrtable(int
rtableid);
DESCRIPTION
getrtable()
and
setrtable()
manipulate the routing table and routing domain associated with the current
process.
Only the superuser is allowed to change the process routing table if it is already set to a non-zero value.
RETURN VALUES
getrtable() returns the routing table of
the current process. Upon successful completion,
setrtable() returns 0 if the call succeeds, -1 if it
fails.
ERRORS
The call succeeds unless:
- [
EINVAL] - The value of the rtableid argument is not a valid routing table.
- [
EPERM] - The user is not the superuser and the routing table of the calling process is already set to a non-zero value.
SEE ALSO
HISTORY
The getrtable() and
setrtable() system calls appeared in
OpenBSD 4.8.