pci_mux_connect(), pci_mux_direct_connect()
QNX SDP8.0PCI Server User's GuideAPIConfiguration
Open a connection and send a connection message
Synopsis:
#include <pci/pci_mux.h>
int pci_mux_connect( pci_mux_connection_t *hdl );
int pci_mux_direct_connect( pci_mux_connection_t *hdl );Arguments:
- hdl
- The connection handle from pci_mux_init().
Library:
libpci
Use the -l pci option to qcc to link against this library.
Description:
The pci_mux_connect() function initializes direct connection to a PCI multiplexer instance.
The pci_mux_direct_connect() function initializes direct connection to a PCI connector instance.
Returns:
EOK on success. If the underlying call to open() fails, both pci_mux_connect() and pci_mux_direct_connect return an error from the open() errors section.
Errors:
- EALREADY
- A connection is already open.
- EINVAL
- You specified an invalid argument.
- ENOENT
- The connection handle doesn't exist.
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | No |
| Thread | Yes |
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