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Disconnect from the PCI server
#include <hw/pci.h>
int pci_detach( unsigned handle );
- handle
- The value returned by a successful call to
pci_attach().
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
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()). |
PCI_SUCCESS.
QNX Neutrino
Safety: | |
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
pci_attach(),
pci_attach_device(),
pci_detach_device(),
pci_find_class(),
pci_find_device(),
pci_present(),
pci_read_config(),
pci_read_config8(),
pci_read_config16(),
pci_read_config32(),
pci_rescan_bus(),
pci_write_config(),
pci_write_config8(),
pci_write_config16(),
pci_write_config32()
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