DOKK / manpages / debian 10 / libibumad-dev / umad_close_port.3.en
UMAD_OPEN_PORT(3) OpenIB Programmer´s Manual UMAD_OPEN_PORT(3)

umad_close_port - close InfiniBand device port for umad access

#include <infiniband/umad.h>

int umad_close_port(int portid);

umad_close_port() closes the port specified by the handle portid.

umad_close_port() returns 0 on success, and a negative value on error. -EINVAL is returned if the portid is not a handle to a valid (open) port.

umad_open_port(3)

May 11, 2007 OpenIB