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PTY: Added PTY IOCTL command definitions. Add support for TIOCGPTN. LIB: Implement ptsname() and ptsname_r()

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This commit is contained in:
Gregory Nutt
2016-07-15 08:33:47 -06:00
parent bcbe9806d2
commit 6139860c0b
6 changed files with 230 additions and 10 deletions
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include/nuttx/serial/tioctl.h
+12 -6
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@@ -146,7 +146,7 @@
/* Marking a line as local */
#define TIOCGSOFTCAR _TIOC(0x0023) /* Get software carrier flag: FAR int */
#define TIOCGSOFTCAR _TIOC(0x0023) /* Get software carrier flag: FAR int* */
#define TIOCSSOFTCAR _TIOC(0x0024) /* Set software carrier flag: FAR const int */
/* Get/set serial line info */
@@ -160,10 +160,16 @@
#define TIOCMIWAIT _TIOC(0x0028) /* Wait for a change on serial input line(s): void */
#define TIOCGICOUNT _TIOC(0x0029) /* Read serial port interrupt count: FAR struct serial_icounter_struct */
/* Pseudo-terminals */
#define TIOCGPTN _TIOC(0x002a) /* Get Pty Number (of pty-mux device): FAR int* */
#define TIOCSPTLCK _TIOC(0x002b) /* Lock/unlock Pty: int */
#define TIOCGPTLCK _TIOC(0x002c) /* Get Pty lock state: FAR int* */
/* RS-485 Support */
#define TIOCSRS485 _TIOC(0x002a) /* Set RS485 mode, arg: pointer to struct serial_rs485 */
#define TIOCGRS485 _TIOC(0x002b) /* Get RS485 mode, arg: pointer to struct serial_rs485 */
#define TIOCSRS485 _TIOC(0x002d) /* Set RS485 mode, arg: pointer to struct serial_rs485 */
#define TIOCGRS485 _TIOC(0x002e) /* Get RS485 mode, arg: pointer to struct serial_rs485 */
/* Definitions for flags used in struct serial_rs485 (Linux compatible) */
@@ -174,14 +180,14 @@
/* Single-wire UART support */
#define TIOCSSINGLEWIRE _TIOC(0x002c) /* Set single-wire mode */
#define TIOCGSINGLEWIRE _TIOC(0x002d) /* Get single-wire mode */
#define TIOCSSINGLEWIRE _TIOC(0x002f) /* Set single-wire mode */
#define TIOCGSINGLEWIRE _TIOC(0x0030) /* Get single-wire mode */
# define SER_SINGLEWIRE_ENABLED (1 << 0) /* Enable/disable single-wire support */
/* Debugging */
#define TIOCSERGSTRUCT _TIOC(0x002e) /* Get device TTY structure */
#define TIOCSERGSTRUCT _TIOC(0x0031) /* Get device TTY structure */
/********************************************************************************************
* Public Type Definitions
include/stdlib.h
+12
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@@ -207,6 +207,18 @@ struct mallinfo mallinfo(void);
int mallinfo(FAR struct mallinfo *info);
#endif
/* Pseudo-Terminals */
#ifdef CONFIG_PSEUDOTERM_SUSV1
FAR char *ptsname(int fd);
int ptsname_r(int fd, FAR char *buf, size_t buflen);
#if 0 /* Not implemented */
int grantpt(int fd);
int unlockpt(int fd);
#endif
#endif
/* Arithmetic */
int abs(int j);