Merge pull request #401 from fulivi/pty_dev3

PTY support for u*x OSes [F.Ulivi]

scripts/src/bus.lua

@@ -1548,6 +1548,8 @@ if (BUSES["RS232"]~=null) then
 		MAME_DIR .. "src/devices/bus/rs232/printer.h",
 		MAME_DIR .. "src/devices/bus/rs232/rs232.c",
 		MAME_DIR .. "src/devices/bus/rs232/rs232.h",
+		MAME_DIR .. "src/devices/bus/rs232/pty.c",
+		MAME_DIR .. "src/devices/bus/rs232/pty.h",
 		MAME_DIR .. "src/devices/bus/rs232/ser_mouse.c",
 		MAME_DIR .. "src/devices/bus/rs232/ser_mouse.h",
 		MAME_DIR .. "src/devices/bus/rs232/terminal.c",

scripts/src/emu.lua

@@ -79,6 +79,8 @@ files {
 	MAME_DIR .. "src/emu/dinvram.h",
 	MAME_DIR .. "src/emu/dioutput.c",
 	MAME_DIR .. "src/emu/dioutput.h",
+	MAME_DIR .. "src/emu/dipty.c",
+	MAME_DIR .. "src/emu/dipty.h",
 	MAME_DIR .. "src/emu/dirtc.c",
 	MAME_DIR .. "src/emu/dirtc.h",
 	MAME_DIR .. "src/emu/diserial.c",
@@ -192,6 +194,8 @@ files {
 	MAME_DIR .. "src/emu/ui/imgcntrl.h",
 	MAME_DIR .. "src/emu/ui/info.c",
 	MAME_DIR .. "src/emu/ui/info.h",
+	MAME_DIR .. "src/emu/ui/info_pty.c",
+	MAME_DIR .. "src/emu/ui/info_pty.h",
 	MAME_DIR .. "src/emu/ui/inputmap.c",
 	MAME_DIR .. "src/emu/ui/inputmap.h",
 	MAME_DIR .. "src/emu/ui/selgame.c",

src/devices/bus/rs232/pty.c

@@ -0,0 +1,138 @@
+// license:BSD-3-Clause
+// copyright-holders:F. Ulivi
+//
+#include <stdio.h>
+#include "pty.h"
+
+static const int TIMER_POLL = 1;
+
+pseudo_terminal_device::pseudo_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+        device_t(mconfig, PSEUDO_TERMINAL, "Pseudo terminal", tag, owner, clock, "pseudo_terminal", __FILE__),
+        device_serial_interface(mconfig, *this),
+        device_rs232_port_interface(mconfig, *this),
+        device_pty_interface(mconfig, *this),
+        m_rs232_txbaud(*this, "RS232_TXBAUD"),
+        m_rs232_rxbaud(*this, "RS232_RXBAUD"),
+        m_rs232_startbits(*this, "RS232_STARTBITS"),
+        m_rs232_databits(*this, "RS232_DATABITS"),
+        m_rs232_parity(*this, "RS232_PARITY"),
+        m_rs232_stopbits(*this, "RS232_STOPBITS"),
+        m_input_count(0),
+        m_input_index(0)
+{
+}
+
+WRITE_LINE_MEMBER(pseudo_terminal_device::update_serial)
+{
+        int startbits = convert_startbits(m_rs232_startbits->read());
+        int databits = convert_databits(m_rs232_databits->read());
+        parity_t parity = convert_parity(m_rs232_parity->read());
+        stop_bits_t stopbits = convert_stopbits(m_rs232_stopbits->read());
+
+        set_data_frame(startbits, databits, parity, stopbits);
+
+        int txbaud = convert_baud(m_rs232_txbaud->read());
+        set_tra_rate(txbaud);
+
+        int rxbaud = convert_baud(m_rs232_rxbaud->read());
+        set_rcv_rate(rxbaud);
+
+        output_rxd(1);
+
+        // TODO: make this configurable
+        output_dcd(0);
+        output_dsr(0);
+        output_cts(0);
+}
+
+static INPUT_PORTS_START(pseudo_terminal)
+        MCFG_RS232_BAUD("RS232_TXBAUD", RS232_BAUD_9600, "TX Baud", pseudo_terminal_device, update_serial)
+        MCFG_RS232_BAUD("RS232_RXBAUD", RS232_BAUD_9600, "RX Baud", pseudo_terminal_device, update_serial)
+        MCFG_RS232_STARTBITS("RS232_STARTBITS", RS232_STARTBITS_1, "Start Bits", pseudo_terminal_device, update_serial)
+        MCFG_RS232_DATABITS("RS232_DATABITS", RS232_DATABITS_8, "Data Bits", pseudo_terminal_device, update_serial)
+        MCFG_RS232_PARITY("RS232_PARITY", RS232_PARITY_NONE, "Parity", pseudo_terminal_device, update_serial)
+        MCFG_RS232_STOPBITS("RS232_STOPBITS", RS232_STOPBITS_1, "Stop Bits", pseudo_terminal_device, update_serial)
+INPUT_PORTS_END
+
+ioport_constructor pseudo_terminal_device::device_input_ports() const
+{
+        return INPUT_PORTS_NAME(pseudo_terminal);
+}
+
+void pseudo_terminal_device::device_start()
+{
+        m_timer_poll = timer_alloc(TIMER_POLL);
+
+        open();
+}
+
+void pseudo_terminal_device::device_stop()
+{
+        close();
+}
+
+void pseudo_terminal_device::device_reset()
+{
+        update_serial(0);
+        queue();
+}
+
+void pseudo_terminal_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+        switch (id)
+        {
+        case TIMER_POLL:
+                queue();
+                break;
+
+        default:
+                device_serial_interface::device_timer(timer, id, param, ptr);
+        }
+}
+
+void pseudo_terminal_device::tra_callback()
+{
+        output_rxd(transmit_register_get_data_bit());
+}
+
+void pseudo_terminal_device::tra_complete()
+{
+        queue();
+}
+
+void pseudo_terminal_device::rcv_complete()
+{
+        receive_register_extract();
+        write(get_received_char());
+}
+
+void pseudo_terminal_device::queue(void)
+{
+        if (is_transmit_register_empty())
+        {
+                if (m_input_index == m_input_count)
+                {
+                    m_input_index = 0;
+                    int tmp = read(m_input_buffer , sizeof(m_input_buffer));
+                    if (tmp > 0) {
+                        m_input_count = tmp;
+                    } else {
+                        m_input_count = 0;
+                    }
+                }
+
+                if (m_input_count != 0)
+                {
+                        transmit_register_setup(m_input_buffer[ m_input_index++ ]);
+
+                        m_timer_poll->adjust(attotime::never);
+                }
+                else
+                {
+                        int txbaud = convert_baud(m_rs232_txbaud->read());
+                        m_timer_poll->adjust(attotime::from_hz(txbaud));
+                }
+        }
+}
+
+const device_type PSEUDO_TERMINAL = &device_creator<pseudo_terminal_device>;

src/devices/bus/rs232/pty.h

@@ -0,0 +1,52 @@
+// license:BSD-3-Clause
+// copyright-holders:F. Ulivi
+//
+#ifndef _RS232_PTY_H_
+#define _RS232_PTY_H_
+
+#include "rs232.h"
+
+class pseudo_terminal_device : public device_t,
+                               public device_serial_interface,
+                               public device_rs232_port_interface,
+                               public device_pty_interface
+{
+public:
+        pseudo_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+        virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) {
+                device_serial_interface::rx_w(state);
+        }
+
+        DECLARE_WRITE_LINE_MEMBER(update_serial);
+
+protected:
+        virtual ioport_constructor device_input_ports() const;
+        virtual void device_start();
+        virtual void device_stop();
+        virtual void device_reset();
+        virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+        virtual void tra_callback();
+        virtual void tra_complete();
+        virtual void rcv_complete();
+
+private:
+        required_ioport m_rs232_txbaud;
+        required_ioport m_rs232_rxbaud;
+        required_ioport m_rs232_startbits;
+        required_ioport m_rs232_databits;
+        required_ioport m_rs232_parity;
+        required_ioport m_rs232_stopbits;
+
+        UINT8 m_input_buffer[ 1024 ];
+        UINT32 m_input_count;
+        UINT32 m_input_index;
+        emu_timer *m_timer_poll;
+
+        void queue(void);
+};
+
+extern const device_type PSEUDO_TERMINAL;
+
+#endif /* _RS232_PTY_H_ */

src/devices/bus/rs232/rs232.c

@@ -103,6 +103,7 @@ device_rs232_port_interface::~device_rs232_port_interface()
 #include "null_modem.h"
 #include "printer.h"
 #include "terminal.h"
+#include "pty.h"
 
 SLOT_INTERFACE_START( default_rs232_devices )
 	SLOT_INTERFACE("keyboard", SERIAL_KEYBOARD)
@@ -110,4 +111,5 @@ SLOT_INTERFACE_START( default_rs232_devices )
 	SLOT_INTERFACE("null_modem", NULL_MODEM)
 	SLOT_INTERFACE("printer", SERIAL_PRINTER)
 	SLOT_INTERFACE("terminal", SERIAL_TERMINAL)
+        SLOT_INTERFACE("pty", PSEUDO_TERMINAL)
 SLOT_INTERFACE_END

src/emu/dipty.c

@@ -0,0 +1,85 @@
+// license:BSD-3-Clause
+// copyright-holders:F.Ulivi
+/***************************************************************************
+
+    dipty.h
+
+    Device PTY interface
+
+***************************************************************************/
+
+#include "emu.h"
+#include "osdcore.h"
+
+device_pty_interface::device_pty_interface(const machine_config &mconfig, device_t &device)
+    : device_interface(device, "pty"),
+      m_pty_master(NULL),
+      m_slave_name(),
+      m_opened(false)
+{
+}
+
+device_pty_interface::~device_pty_interface()
+{
+}
+
+bool device_pty_interface::open(void)
+{
+    if (!m_opened) {
+        char buffer[ 128 ];
+
+        if (osd_openpty(&m_pty_master , buffer , sizeof(buffer)) == FILERR_NONE) {
+            m_opened = true;
+            m_slave_name.assign(buffer);
+        } else {
+            m_opened = false;
+            m_pty_master = NULL;
+        }
+    }
+
+    return m_opened;
+}
+
+void device_pty_interface::close(void)
+{
+    if (m_opened) {
+        osd_close(m_pty_master);
+        m_opened = false;
+    }
+}
+
+bool device_pty_interface::is_open(void) const
+{
+    return m_opened;
+}
+
+ssize_t device_pty_interface::read(UINT8 *rx_chars , size_t count)
+{
+    UINT32 actual_bytes;
+
+    if (m_opened && osd_read(m_pty_master, rx_chars, 0, count, &actual_bytes) == FILERR_NONE) {
+        return actual_bytes;
+    } else {
+        return -1;
+    }
+}
+
+void device_pty_interface::write(UINT8 tx_char)
+{
+    UINT32 actual_bytes;
+
+    if (m_opened) {
+        osd_write(m_pty_master, &tx_char, 0, 1, &actual_bytes);
+    }
+}
+
+bool device_pty_interface::is_slave_connected(void) const
+{
+    // TODO: really check for slave status
+    return m_opened;
+}
+
+const char *device_pty_interface::slave_name(void) const
+{
+    return m_slave_name.c_str();
+}

src/emu/dipty.h

@@ -0,0 +1,48 @@
+// license:BSD-3-Clause
+// copyright-holders:F.Ulivi
+/***************************************************************************
+
+    dipty.h
+
+    Device PTY interface
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __EMU_H__
+#error Dont include this file directly; include emu.h instead.
+#endif
+
+#ifndef __DIPTY_H__
+#define __DIPTY_H__
+
+class device_pty_interface : public device_interface
+{
+public:
+        // construction/destruction
+        device_pty_interface(const machine_config &mconfig, device_t &device);
+        virtual ~device_pty_interface();
+
+        bool open(void);
+        void close(void);
+
+        bool is_open(void) const;
+
+        ssize_t read(UINT8 *rx_chars , size_t count);
+        void write(UINT8 tx_char);
+
+        bool is_slave_connected(void) const;
+
+        const char *slave_name(void) const;
+
+protected:
+        osd_file *m_pty_master;
+        std::string m_slave_name;
+        bool m_opened;
+};
+
+// iterator
+typedef device_interface_iterator<device_pty_interface> pty_interface_iterator;
+
+#endif  /* __DIPTY_H__ */

src/emu/emu.h

@@ -78,6 +78,7 @@ typedef device_t * (*machine_config_constructor)(machine_config &config, device_
 #include "schedule.h"
 #include "timer.h"
 #include "dinetwork.h"
+#include "dipty.h"
 
 // machine and driver configuration
 #include "mconfig.h"

src/emu/ui/info_pty.c

@@ -0,0 +1,44 @@
+// license:BSD-3-Clause
+// copyright-holders:F.Ulivi
+/***************************************************************************
+
+    ui/info_pty.c
+
+    Information screen on pseudo terminals
+
+***************************************************************************/
+
+#include "emu.h"
+#include "ui/menu.h"
+#include "ui/info_pty.h"
+
+ui_menu_pty_info::ui_menu_pty_info(running_machine &machine, render_container *container) :
+    ui_menu(machine, container)
+{
+}
+
+ui_menu_pty_info::~ui_menu_pty_info()
+{
+}
+
+void ui_menu_pty_info::populate()
+{
+    item_append("Pseudo terminals", NULL, MENU_FLAG_DISABLE, NULL);
+    item_append("", NULL, MENU_FLAG_DISABLE, NULL);
+
+    pty_interface_iterator iter(machine().root_device());
+    for (device_pty_interface *pty = iter.first(); pty != NULL; pty = iter.next()) {
+        const char *port_name = pty->device().owner()->tag() + 1;
+        if (pty->is_open()) {
+            item_append(port_name , pty->slave_name() , MENU_FLAG_DISABLE , NULL);
+        } else {
+            item_append(port_name , "[failed]" , MENU_FLAG_DISABLE , NULL);
+        }
+        item_append("", NULL, MENU_FLAG_DISABLE, NULL);
+    }
+}
+
+void ui_menu_pty_info::handle()
+{
+    process(0);
+}

src/emu/ui/info_pty.h

@@ -0,0 +1,24 @@
+// license:BSD-3-Clause
+// copyright-holders:F.Ulivi
+/***************************************************************************
+
+    ui/info_pty.h
+
+    Information screen on pseudo terminals
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __UI_INFO_PTY_H__
+#define __UI_INFO_PTY_H__
+
+class ui_menu_pty_info : public ui_menu {
+public:
+	ui_menu_pty_info(running_machine &machine, render_container *container);
+	virtual ~ui_menu_pty_info();
+	virtual void populate();
+	virtual void handle();
+};
+
+#endif // __UI_INFO_PTY_H__

src/emu/ui/mainmenu.c

@@ -22,6 +22,7 @@
 #include "ui/barcode.h"
 #include "ui/cheatopt.h"
 #include "ui/info.h"
+#include "ui/info_pty.h"
 #include "ui/inputmap.h"
 #include "ui/mainmenu.h"
 #include "ui/miscmenu.h"
@@ -90,6 +91,10 @@ void ui_menu_main::populate()
 			item_append("Tape Control", NULL, 0, (void *)TAPE_CONTROL);
 	}
 
+        pty_interface_iterator ptyiter(machine().root_device());
+        if (ptyiter.first() != NULL) {
+            item_append("Pseudo terminals", NULL, 0, (void *)PTY_INFO);
+        }
 	if (machine().ioport().has_bioses())
 		item_append("Bios Selection", NULL, 0, (void *)BIOS_SELECTION);
 
@@ -191,6 +196,10 @@ void ui_menu_main::handle()
 			ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_tape_control(machine(), container, NULL)));
 			break;
 
+                case PTY_INFO:
+                        ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_pty_info(machine(), container)));
+			break;
+
 		case SLOT_DEVICES:
 			ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_slot_devices(machine(), container)));
 			break;

src/emu/ui/mainmenu.h

@@ -44,7 +44,8 @@ private:
 		CHEAT,
 		SELECT_GAME,
 		BIOS_SELECTION,
-		BARCODE_READ
+		BARCODE_READ,
+                PTY_INFO
 	};
 };
 

src/osd/osdcore.h

@@ -165,6 +165,25 @@ file_error osd_read(osd_file *file, void *buffer, UINT64 offset, UINT32 length,
 -----------------------------------------------------------------------------*/
 file_error osd_write(osd_file *file, const void *buffer, UINT64 offset, UINT32 length, UINT32 *actual);
 
+/*-----------------------------------------------------------------------------
+    osd_openpty: create a new PTY pair
+
+    Parameters:
+
+        file - pointer to an osd_file * to receive the handle of the master
+            side of the newly-created PTY; this is only valid if the function
+            returns FILERR_NONE
+
+        name - pointer to memory where slave filename will be stored
+
+        name_len - space allocated for name
+
+    Return value:
+
+        a file_error describing any error that occurred while creating the
+        PTY, or FILERR_NONE if no error occurred
+-----------------------------------------------------------------------------*/
+file_error osd_openpty(osd_file **file, char *name, size_t name_len);
 
 /*-----------------------------------------------------------------------------
     osd_truncate: change the size of an open file

src/osd/osdmini/minifile.c

@@ -101,6 +101,14 @@ file_error osd_write(osd_file *file, const void *buffer, UINT64 offset, UINT32 l
 	return FILERR_NONE;
 }
 
+//============================================================
+//  osd_openpty
+//============================================================
+
+file_error osd_openpty(osd_file **file, char *name, size_t name_len)
+{
+    return FILERR_FAILURE;
+}
 
 //============================================================
 //  osd_truncate

src/osd/sdl/sdlfile.c

@@ -359,6 +359,25 @@ file_error osd_write(osd_file *file, const void *buffer, UINT64 offset, UINT32 c
 	}
 }
 
+//============================================================
+//  osd_openpty
+//============================================================
+
+file_error osd_openpty(osd_file **file, char *name, size_t name_len)
+{
+        file_error res;
+        UINT64 filesize;
+
+        if ((res = osd_open(sdlfile_ptty_identifier , 0 , file , &filesize)) != FILERR_NONE) {
+                return res;
+        }
+
+        if ((res = sdl_slave_name_ptty(*file , name , name_len)) != FILERR_NONE) {
+                osd_close(*file);
+        }
+
+        return res;
+}
 
 //============================================================
 //  osd_truncate

src/osd/sdl/sdlfile.h

@@ -46,5 +46,6 @@ file_error sdl_open_ptty(const char *path, UINT32 openflags, osd_file **file, UI
 file_error sdl_read_ptty(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual);
 file_error sdl_write_ptty(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual);
 file_error sdl_close_ptty(osd_file *file);
+file_error sdl_slave_name_ptty(osd_file *file , char *name , size_t name_len);
 
 file_error error_to_file_error(UINT32 error);

src/osd/sdl/sdlptty_os2.c

@@ -32,3 +32,8 @@ file_error sdl_close_ptty(osd_file *file)
 {
 	return FILERR_ACCESS_DENIED;
 }
+
+file_error sdl_slave_name_ptty(osd_file *file)
+{
+        return FILERR_ACCESS_DENIED;
+}

src/osd/sdl/sdlptty_unix.c

@@ -2,7 +2,7 @@
 // copyright-holders:Olivier Galibert, R. Belmont
 //============================================================
 //
-//  sdlptty_unix.c - SDL psuedo tty access functions
+//  sdlptty_unix.c - SDL pseudo tty access functions
 //
 //  SDLMAME by Olivier Galibert and R. Belmont
 //
@@ -28,6 +28,7 @@
 #elif defined(SDLMAME_HAIKU)
 # include <bsd/pty.h>
 #endif
+#include <stdlib.h>
 
 #include "sdlfile.h"
 
@@ -39,68 +40,91 @@ const char *sdlfile_ptty_identifier  = "/dev/pts";
 
 file_error sdl_open_ptty(const char *path, UINT32 openflags, osd_file **file, UINT64 *filesize)
 {
-	int master;
-	int aslave;
-	char name[100];
+        int master;
+        int aslave;
+        struct termios tios;
+        int oldflags;
 
-	if (openpty(&master, &aslave, name, NULL, NULL) >= 0)
-	{
-		printf("Slave of device %s is %s\n", path, name );
-		fcntl(master, F_SETFL, O_NONBLOCK);
-		(*file)->handle = master;
-		*filesize = 0;
-	}
-	else
-	{
-		return FILERR_ACCESS_DENIED;
-	}
+        memset(&tios , 0 , sizeof(tios));
+        cfmakeraw(&tios);
 
-	return FILERR_NONE;
+        if (openpty(&master, &aslave, NULL, &tios, NULL) >= 0)
+        {
+                oldflags = fcntl(master, F_GETFL, 0);
+                if (oldflags == -1) {
+                        close(master);
+                        return FILERR_FAILURE;
+                }
+
+                fcntl(master, F_SETFL, oldflags | O_NONBLOCK);
+                close(aslave);
+                (*file)->handle = master;
+                *filesize = 0;
+        }
+        else
+        {
+                return FILERR_ACCESS_DENIED;
+        }
+
+        return FILERR_NONE;
 }
 
 file_error sdl_read_ptty(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
 {
-	ssize_t result;
+        ssize_t result;
 
-	result = read(file->handle, buffer, count);
+        result = read(file->handle, buffer, count);
 
-	if (result < 0)
-	{
-		return error_to_file_error(errno);
-	}
+        if (result < 0)
+        {
+                return error_to_file_error(errno);
+        }
 
-	if (actual != NULL )
-	{
-		*actual = result;
-	}
+        if (actual != NULL )
+        {
+                *actual = result;
+        }
 
-	return FILERR_NONE;
+        return FILERR_NONE;
 }
 
 file_error sdl_write_ptty(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
 {
-	ssize_t result;
-	result = write(file->handle, buffer, count);
+        ssize_t result;
+        result = write(file->handle, buffer, count);
 
-	if (result < 0)
-	{
-		return error_to_file_error(errno);
-	}
+        if (result < 0)
+        {
+                return error_to_file_error(errno);
+        }
 
-	if (actual != NULL )
-	{
-		*actual = result;
-	}
+        if (actual != NULL )
+        {
+                *actual = result;
+        }
 
-	return FILERR_NONE;
+        return FILERR_NONE;
 }
 
 file_error sdl_close_ptty(osd_file *file)
 {
-	close(file->handle);
-	osd_free(file);
+        close(file->handle);
+        osd_free(file);
 
-	return FILERR_NONE;
+        return FILERR_NONE;
+}
+
+file_error sdl_slave_name_ptty(osd_file *file , char *name , size_t name_len)
+{
+        const char *slave_name = ptsname(file->handle);
+
+        if (slave_name == NULL || strlen(slave_name) >= name_len) {
+                return FILERR_INVALID_ACCESS;
+        }
+
+        strcpy(name , slave_name);
+
+        return FILERR_NONE;
 }
 
 #else
@@ -110,21 +134,27 @@ const char *sdlfile_ptty_identifier  = "";
 
 file_error sdl_open_ptty(const char *path, UINT32 openflags, osd_file **file, UINT64 *filesize)
 {
-	return FILERR_ACCESS_DENIED;
+        return FILERR_ACCESS_DENIED;
 }
 
 file_error sdl_read_ptty(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
 {
-	return FILERR_ACCESS_DENIED;
+        return FILERR_ACCESS_DENIED;
 }
 
 file_error sdl_write_ptty(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
 {
-	return FILERR_ACCESS_DENIED;
+        return FILERR_ACCESS_DENIED;
 }
 
 file_error sdl_close_ptty(osd_file *file)
 {
-	return FILERR_ACCESS_DENIED;
+        return FILERR_ACCESS_DENIED;
 }
+
+file_error sdl_slave_name_ptty(osd_file *file)
+{
+        return FILERR_ACCESS_DENIED;
+}
+
 #endif

src/osd/windows/winfile.c

@@ -235,6 +235,14 @@ file_error osd_write(osd_file *file, const void *buffer, UINT64 offset, UINT32 l
 	return FILERR_NONE;
 }
 
+//============================================================
+//  osd_openpty
+//============================================================
+
+file_error osd_openpty(osd_file **file, char *name, size_t name_len)
+{
+    return FILERR_FAILURE;
+}
 
 //============================================================
 //  osd_truncate