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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
#ifndef __BACKPORT_LINUX_TTY_H
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#define __BACKPORT_LINUX_TTY_H
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#include_next <linux/tty.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39) && \
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LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
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#define tty_set_termios LINUX_BACKPORT(tty_set_termios)
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extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
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#endif
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/*
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* This really belongs into uapi/asm-generic/termbits.h but
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* that doesn't usually get included directly.
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*/
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#ifndef EXTPROC
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#define EXTPROC 0200000
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
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#include <linux/smp_lock.h>
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static inline void tty_lock(void) __acquires(kernel_lock)
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{
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#ifdef CONFIG_LOCK_KERNEL
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/* kernel_locked is 1 for !CONFIG_LOCK_KERNEL */
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WARN_ON(kernel_locked());
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#endif
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lock_kernel();
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}
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static inline void tty_unlock(void) __releases(kernel_lock)
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{
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unlock_kernel();
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}
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#define tty_locked() (kernel_locked())
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
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#define n_tty_ioctl_helper LINUX_BACKPORT(n_tty_ioctl_helper)
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extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
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unsigned int cmd, unsigned long arg);
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
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/* Backports tty_lock: Localise the lock */
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#define tty_lock(__tty) tty_lock()
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#define tty_unlock(__tty) tty_unlock()
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#define tty_port_register_device(port, driver, index, device) \
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tty_register_device(driver, index, device)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
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extern void tty_port_tty_wakeup(struct tty_port *port);
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extern void tty_port_tty_hangup(struct tty_port *port, bool check_clocal);
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#endif
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#endif /* __BACKPORT_LINUX_TTY_H */
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