Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/tty/ttyAlloc.c File Reference

#include <kernel.h>
#include <device.h>
#include <tty.h>

Include dependency graph for ttyAlloc.c:

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Functions
struct tty *	ttyAlloc (void)

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Detailed Description

ttyAlloc

Id

ttyAlloc.c 241 2007-07-13 22:24:20Z agember

Definition in file ttyAlloc.c.

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Function Documentation

struct tty* ttyAlloc

(

void

)

[read]

Allocate a tty structure.

Returns:

pointer to a TTY control block, NULL if none are free

Definition at line 17 of file ttyAlloc.c.

References disable(), NTTY, NULL, restore(), tty::state, TTY_STATE_ALLOC, TTY_STATE_FREE, and ttytab.

Referenced by ttyOpen().