DCMD_SDIO_SHMEM_FINI

Unmap the device's shared memory object

Synopsis:

#include <mmc/sdio.h>

#define DCMD_SDIO_SHMEM_FINI    __DIOT (_DCMD_MISC, 0x11, int)

Arguments to devctl():

Argument Value
filedes A file descriptor that you obtained by opening the device
dcmd DCMD_SDIO_SHMEM_FINI
dev_data_ptr A pointer to an int
n_bytes sizeof(int)
dev_info_ptr NULL

Description:

This command unmaps the device's shared memory object.

Input:

The I/O function whose shared memory you want to unmap, or -1 for the default function.

Output:

None.

See also:

DCMD_SDIO_SHMEM_INIT

devctl() in the QNX Neutrino C Library Reference