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PIO_UNIMAPCLR
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Clear table, possibly advise hash algorithm.
argp points to a
struct unimapinit {
u short advised hashsize; /* 0 if no opinion */
u short advised hashstep; /* 0 if no opinion */
u short advised hashlevel; /* 0 if no opinion */
};
(Since 1.1.92.)
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KDGKBMODE
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Gets current keyboard mode. argp points to a
long, which is set to one of these:
K_RAW 0x00
K_XLATE 0x01
K_MEDIUMRAW 0x02
K_UNICODE 0x03
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KDSKBMODE
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Sets current keyboard mode. argp is a long equal to one of the above values.
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KDGKBMETA
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Gets meta key handling mode. argp points to a long which is set to one of these:
K_METABIT 0x03 Set high order bit
K_ESCPREFIX 0x04 Escape prefix
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KDSKBMETA
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Sets meta key handling mode. argp is a long equal to one of the preceding values.
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KDGKBENT
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Gets one entry in key translation table (keycode to action code).
argp points to a
struct kbentry {
u_char kb_table;
u_char kb_index;
u_short kb_value;
};
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with the first two members filled in:
kb_table selects the key table (0 <= kb_table
<MAX_NR_KEYMAPS), and kb_index is the keycode
(0 <= kb index <NR_KEYS). kb_value is set to the corresponding action code, or
K_HOLE if there is no such key, or K_NOSUCHMAP if
kb_table is invalid.
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KDSKBENT
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Sets one entry in translation table.
argp points to a struct kbentry.
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KDGKBSENT
|
Gets one function key string. argp points to a
struct kbsentry {
u_char kb_func;
u_char kb_string[512];
;
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kb_string is set to the (NULL-terminated) string corresponding to the
kb_functh function key action code.
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KDSKBSENT
|
Sets one function key string entry.
argp points to a struct kbsentry.
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KDGKBDIACR
|
Read kernel accent table. argp points to a
struct kbdiacrs {
unsigned int kb_cnt;
struct kbdiacr kbdiacr[256];
};
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where kb_cnt is the number of entries in the array, each of which is a
struct kbdiacr { u_char diacr, base, result ;};
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KDGETKEYCODE
|
Read kernel keycode table entry (scan code to keycode).
argp points to a
struct kbkeycode { unsigned int scancode, keycode; };
keycode is set to correspond to the given
scancode.(89<=scancode <= 255 only.
For 1 <= scancode <= 88,
keycode==scancode.) (Since 1.1.63.)
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KDSETKEYCODE
|
Write kernel keycode table entry.
argp points to struct kbkeycode. (Since 1.1.63.)
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KDSIGACCEPT
|
The calling process indicates its willingness to accept the signal
argp when it is generated by pressing an appropriate key combination.
(1 <= argp <=NSIG).
(See spawn_console() in
linux/drivers/char/keyboard.c.)
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VT_OPENQRY
|
Returns the first available (nonopened) console.
argp points to an int that is set to the number of the
vt (1 <= *argp <=MAX_NR_CONSOLES).
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VT_GETMODE
|
Get mode of active vt. argp points to a
struct vt mode {
char mode;/*vtmode*/
char waitv; /* if set, hang on writes if not active */
short relsig; /* signal to raise on release req */
short acqsig; /* signal to raise on acquisition */
short frsig; /* unused (set to 0) */
};
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|
mode is set to one of these values:
VT_AUTO Auto vt switching
VT_PROCESS Process controls switching
VT_ACKACQ Acknowledge switch
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VT_SETMODE
|
Set mode of active vt. argp points to a
struct vt_mode.
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VT_GETSTATE
|
Get global vt state info. argp points to a
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|
|
struct vt_stat {
ushort v_active; /* active vt */
ushort v_signal;/*signalto send*/
ushort v_state;/*vtbitmask*/
};
|
|
|
For each vt in use, the corresponding bit in the
v state member is set. (Kernels 1.0 through 1.1.92.)
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|
VT_RELDISP
|
Release a display.
|
|
VT_ACTIVATE
|
Switch to vt argp (1 <= argp
<=MAX_NR_CONSOLES).
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|
VT_WAITACTIVE
|
Wait until vt argp has been activated.
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|
VT_DISALLOCATE
|
Deallocate the memory associated with
vt argp. (Since 1.1.54.)
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|
VT_RESIZE
|
Set the kernel's idea of screensize.
argp points to a
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|
|
struct vt_sizes {
ushort v_rows;/*#rows*/
ushort v_cols;/*#columns */
ushort v_scrollsize; /* no longer used */
};
|
|
|
Note that this does not change the video mode. See
resizecons(8). (Since 1.1.54.)
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|
VT_RESIZEX
|
Set the kernel's idea of various screen parameters.
argp points to a
|
|
|
struct vt_consize {
|
|
|
ushort v_rows; /* number of rows */
|
|
|
ushort v_cols; /* number of columns */
|
|
|
ushort v_vlin; /* number of pixel rows on screen */
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|
|
ushort v_clin; /* number of pixel rows per character */
|
|
|
ushort v_vcol; /* number of pixel columns on screen */
|
|
|
ushort v_ccol; /* number of pixel columns per character */
|
|
};
|
Any parameter may be set to zero, indicating no change, but if multiple
parameters are set, they must be self-consistent. Note that this does not change the video
mode. See resizecons(8). (Since 1.3.3.)
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