1 files changed, 0 insertions, 122 deletions
diff --git a/usr.sbin/pppd/lock.c b/usr.sbin/pppd/lock.c
deleted file mode 100644
index 87c2984..0000000
--- a/usr.sbin/pppd/lock.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * lock.c - lock/unlock the serial device.
- *
- * This code is derived from chat.c.
- */
-
-static char rcsid[] = "$Id$";
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <syslog.h>
-
-#ifdef sun
-# if defined(SUNOS) && SUNOS >= 41
-# ifndef HDB
-#  define	HDB
-# endif
-# endif
-#endif
-
-#ifndef LOCK_DIR
-# if defined(__NetBSD__) || defined(__FreeBSD__)
-# define	PIDSTRING
-# define	LOCK_PREFIX	"/var/spool/lock/LCK.."
-# else
-#  ifdef HDB
-#   define	PIDSTRING
-#   define	LOCK_PREFIX	"/usr/spool/locks/LCK.."
-#  else /* HDB */
-#   define	LOCK_PREFIX	"/usr/spool/uucp/LCK.."
-#  endif /* HDB */
-# endif
-#endif /* LOCK_DIR */
-
-static char *lock_file;
-
-/*
- *	Create a lock file for the named lock device
- */
-int
-lock(dev)
-    char *dev;
-{
-    char hdb_lock_buffer[12];
-    int fd, pid, n;
-    char *p;
-
-    if ((p = strrchr(dev, '/')) != NULL)
-	dev = p + 1;
-    lock_file = malloc(strlen(LOCK_PREFIX) + strlen(dev) + 1);
-    if (lock_file == NULL)
-	novm("lock file name");
-    strcat(strcpy(lock_file, LOCK_PREFIX), dev);
-
-    while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
-	if (errno == EEXIST
-	    && (fd = open(lock_file, O_RDONLY, 0)) >= 0) {
-	    /* Read the lock file to find out who has the device locked */
-#ifdef PIDSTRING
-	    n = read(fd, hdb_lock_buffer, 11);
-	    if (n > 0) {
-		hdb_lock_buffer[n] = 0;
-		pid = atoi(hdb_lock_buffer);
-	    }
-#else
-	    n = read(fd, &pid, sizeof(pid));
-#endif
-	    if (n <= 0) {
-		syslog(LOG_ERR, "Can't read pid from lock file %s", lock_file);
-		close(fd);
-	    } else {
-		if (kill(pid, 0) == -1 && errno == ESRCH) {
-		    /* pid no longer exists - remove the lock file */
-		    if (unlink(lock_file) == 0) {
-			close(fd);
-			syslog(LOG_NOTICE, "Removed stale lock on %s (pid %d)",
-			       dev, pid);
-			continue;
-		    } else
-			syslog(LOG_WARNING, "Couldn't remove stale lock on %s",
-			       dev);
-		} else
-		    syslog(LOG_NOTICE, "Device %s is locked by pid %d",
-			   dev, pid);
-	    }
-	    close(fd);
-	} else
-	    syslog(LOG_ERR, "Can't create lock file %s: %m", lock_file);
-	free(lock_file);
-	lock_file = NULL;
-	return -1;
-    }
-
-# ifdef PIDSTRING
-    sprintf(hdb_lock_buffer, "%10d\n", getpid());
-    write(fd, hdb_lock_buffer, 11);
-# else
-    pid = getpid();
-    write(fd, &pid, sizeof pid);
-# endif
-
-    close(fd);
-    return 0;
-}
-
-/*
- *	Remove our lockfile
- */
-unlock()
-{
-    if (lock_file) {
-	unlink(lock_file);
-	free(lock_file);
-	lock_file = NULL;
-    }
-}
-