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/*
* Generic serial port handling functions.
*/
#ifndef _TTYUTILS_H
#define _TTYUTILS_H
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Put a given file descriptor into raw mode, if the hwflag is set to TRUE
* then hardware handshaking is enabled. Returns TRUE if successful.
*/
extern int tty_raw(int fd, int hwflag);
/*
* Set the speed of the given file descriptor. Returns TRUE is it was
* successful.
*/
extern int tty_speed(int fd, int speed);
/*
* Determines whether a given tty is already open by another process. Returns
* TRUE if is already locked, or FALSE if it is free.
*/
extern int tty_is_locked(char *tty);
/*
* Creates a lock file for the given tty. It writes the process ID to the
* file so take care if doing a fork. Returns TRUE if everything was OK.
*/
extern int tty_lock(char *tty);
/*
* Removes the lock file for a given tty. Returns TRUE if successful.
*/
extern int tty_unlock(char *tty);
#ifdef __cplusplus
}
#endif
#endif
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