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Matheus
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#ifndef _TTY_H
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#define _TTY_H
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#include <mutex.h>
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#include <termios.h>
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#include <kernel/poll.h>
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#include <ringbuffer.h>
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#include <kernel/vfs.h>
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#define TTY_DEVICE_BUFFER_SIZE 512
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#define TTY_READ_BUFFER_SIZE 4096
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typedef size_t (*ttydevicewritefn_t)(void *internal, char *str, size_t size);
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typedef void (*ttyinactivefn_t)(void *internal);
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typedef int (*tty_hup_check_t)(void *internal);
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typedef void (*tty_termios_callback_t)(void *internal, termios_t *termios);
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typedef struct {
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pollheader_t pollheader;
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char *name;
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ringbuffer_t readbuffer;
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mutex_t readmutex;
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mutex_t writemutex;
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termios_t termios;
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void *deviceinternal;
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char *devicebuffer;
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int devicepos;
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ttydevicewritefn_t writetodevice;
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ttyinactivefn_t inactivedevice;
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tty_termios_callback_t termios_callback;
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tty_hup_check_t hup_check;
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int minor;
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winsize_t winsize;
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vnode_t *mastervnode;
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spinlock_t sessionlock;
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struct proc_t *session;
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size_t opened;
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bool has_been_opened;
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} tty_t;
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void tty_init();
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tty_t *tty_create(char *name, ttydevicewritefn_t writefn, ttyinactivefn_t inactivefn, tty_termios_callback_t termios_callback, tty_hup_check_t hup_check, void *internal);
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void tty_process(tty_t *tty, char c);
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void tty_unregister(tty_t *tty);
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int tty_ioctl(tty_t *tty, unsigned long req, void *arg, int *result, cred_t *cred);
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size_t tty_opened(tty_t *tty);
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void tty_release(tty_t *tty);
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#endif
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