* Makefile.in (DLL_OFILES): Add bsdlib.o.

* autoload.cc (RegisterServiceProcess): Add.
	* bsdlib.cc: New file.
	(daemon): New function.
	(login_tty): Ditto.
	(openpty): Ditto.
	(forkpty): Ditto.
	* cygwin.din: Export daemon, forkpty, login_tty, logwtmp, updwtmp,
	openpty and revoke.
	* syscalls.cc (updwtmp): New function, writing to wtmp exclusively.
	(logwtmp): Ditto.
	(login): Call updwtmp instead of writing to wtmp by itself.
	(logout): Ditto.
	* tty.cc (revoke): New funtion.
	* include/paths.h: Define _PATH_DEVNULL.
	* include/pty.h: New header.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/utmp.h: Declare logwtmp with const arguments.
	Declare updwtmp.
	* lib/iruserok.c: New file.
	(ruserok): New function.
	(iruserok): Ditto.
	(__ivaliduser): Ditto.
	(__icheckhost): Ditto.

winsup/cygwin/include/cygwin/version.h

@@ -214,14 +214,16 @@ details. */
 	   argz_create_sep argz_delete argz_extract argz_insert
 	   argz_next argz_replace argz_stringify envz_add envz_entry
 	   envz_get envz_merge envz_remove envz_strip
-       92: Export getusershell, setusershell, eetusershell
+       92: Export getusershell, setusershell, endusershell
+       93: Export daemon, forkpty, openpty, iruserok, ruserok, login_tty,
+	   openpty, forkpty, revoke, logwtmp, updwtmp
 
      */
 
      /* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 92
+#define CYGWIN_VERSION_API_MINOR 93
 
      /* There is also a compatibity version number associated with the
 	shared memory regions.  It is incremented when incompatible

winsup/cygwin/include/paths.h

@@ -16,4 +16,6 @@ details. */
 #define _PATH_LASTLOG   "/var/log/lastlog"
 #define _PATH_UTMP	"/var/run/utmp"
 #define _PATH_WTMP	"/var/log/wtmp"
+#define _PATH_DEVNULL	"/dev/null"
+
 #endif /* _PATHS_H_ */

winsup/cygwin/include/pty.h

@@ -0,0 +1,18 @@
+#ifndef __PTY_H__
+#define __PTY_H__
+
+#include <_ansi.h>
+#include <sys/termios.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int _EXFUN(openpty ,(int *, int *, char *, struct termios *, struct winsize *));
+int _EXFUN(forkpty ,(int *, char *, struct termios *, struct winsize *));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PTY_H__ */

winsup/cygwin/include/sys/utmp.h

@@ -60,7 +60,8 @@ extern void utmpname (const char *);
 void login (struct utmp *);
 int logout (char *);
 int login_tty (int);
-void logwtmp (char *, char *, char *);
+void updwtmp (const char *, const struct utmp *);
+void logwtmp (const char *, const char *, const char *);
 
 #ifdef __cplusplus
 }