pci_detach()

Disconnect from the PCI server

Synopsis:

#include <hw/pci.h>

int pci_detach( unsigned handle );

Arguments:

handle
The value returned by a successful call to pci_attach() .

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pci_detach() function disconnects from the PCI server. Any resources allocated with pci_attach_device() are released.

The pci_attach() function opens a file descriptor against the PCI server, and all of the low-level library calls to the PCI server use this fd. When you call pci_detach(), the low-level code does a close() on the file descriptor, which tells the PCI server to clean up any allocations associated with it.

Don't call any of the other pci_*() functions after calling pci_detach() (unless you've reattached with pci_attach()).

Returns:

PCI_SUCCESS.

Classification:

QNX Neutrino

Safety:
Cancellation point Yes
Interrupt handler No
Signal handler Yes
Thread Yes