diff options
Diffstat (limited to 'backport-include/linux/tty.h')
| -rw-r--r-- | backport-include/linux/tty.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/backport-include/linux/tty.h b/backport-include/linux/tty.h new file mode 100644 index 0000000..b102645 --- /dev/null +++ b/backport-include/linux/tty.h @@ -0,0 +1,51 @@ +#ifndef __BACKPORT_LINUX_TTY_H +#define __BACKPORT_LINUX_TTY_H +#include_next <linux/tty.h> + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39) && \ + LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27) +#define tty_set_termios LINUX_BACKPORT(tty_set_termios) +extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt); +#endif + +/* + * This really belongs into uapi/asm-generic/termbits.h but + * that doesn't usually get included directly. + */ +#ifndef EXTPROC +#define EXTPROC 0200000 +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) +#include <linux/smp_lock.h> +static inline void tty_lock(void) __acquires(kernel_lock) +{ +#ifdef CONFIG_LOCK_KERNEL + /* kernel_locked is 1 for !CONFIG_LOCK_KERNEL */ + WARN_ON(kernel_locked()); +#endif + lock_kernel(); +} +static inline void tty_unlock(void) __releases(kernel_lock) +{ + unlock_kernel(); +} +#define tty_locked() (kernel_locked()) +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) +#define n_tty_ioctl_helper LINUX_BACKPORT(n_tty_ioctl_helper) +extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg); +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0) +/* Backports tty_lock: Localise the lock */ +#define tty_lock(__tty) tty_lock() +#define tty_unlock(__tty) tty_unlock() + +#define tty_port_register_device(port, driver, index, device) \ + tty_register_device(driver, index, device) +#endif + +#endif /* __BACKPORT_LINUX_TTY_H */ |