HP-UX Reference (11i v2 07/12) - 7 Device (Special) Files, 9 General Information, Index (vol 10)

framebuf(7) framebuf(7)

ﬁeld of the crt_frame_buffer_t

data structure by the

GCDESCRIBE call:

S9000_ID_98720

S9000_ID_98730

S9000_ID_98550

For the HP A1047A Interface Card, the ﬁelds of the

crt_dma_info structure have the following

restrictions:

mem_addr 32-byte aligned

fb_addr 16-byte aligned

length non-zero multiple of 32

skipcount 0

ERRORS

[EAGAIN] The operation would result in suspension of the calling process, but the request was either

GCLOCK_NOWAIT or GCLOCK_BLOCKSIG_NOWAIT

[EBUSY] Attempted to lock the device, which is already locked by the same process.

[EINTR] A call to

ioctl() was interrupted by a signal.

[EINVAL] An invalid ioctl() command was made.

[ENODEV] Attempted to use

read() or write() system calls on the device.

[ENOMEM] Sufﬁcient memory for mapping could not be allocated.

[ENOSPC] Required resources for mapping could not be allocated.

[ENXIO] The minor number on the device ﬁle refers to a nonexistent device.

[EPERM] Requested

GCUNLOCK ioctl() command, but the device was locked by a different pro-

cess.

AUTHOR

framebuf was developed by HP.