svn commit: r201621 - user/ed/utmpx/lib/libc/gen

[Ed Schouten]

Author: ed
Date: Tue Jan  5 23:01:46 2010
New Revision: 201621
URL: http://svn.freebsd.org/changeset/base/201621

Log:
  Also implement utx_active_add() for now.
  
  This means we at least write to all three the database files, which
  means I can implement and test the reading functions.

Modified:
  user/ed/utmpx/lib/libc/gen/pututxline.c

Modified: user/ed/utmpx/lib/libc/gen/pututxline.c
==============================================================================
--- user/ed/utmpx/lib/libc/gen/pututxline.c	Tue Jan  5 22:59:59 2010	(r201620)
+++ user/ed/utmpx/lib/libc/gen/pututxline.c	Tue Jan  5 23:01:46 2010	(r201621)
@@ -84,6 +84,33 @@ utx_to_futx(const struct utmpx *ut, stru
 static void
 utx_active_add(const struct futx *fu)
 {
+	int fd;
+	struct futx fe;
+
+	/*
+	 * Register user login sessions.  Overwrite entries of sessions
+	 * that have already been terminated.
+	 */
+	fd = open(_PATH_UTX_ACTIVE, O_CREAT|O_RDWR, 0644);
+	if (fd < 0)
+		return;
+	if (lockf(fd, F_LOCK, 0) == -1) {
+		close(fd);
+		return;
+	}
+	while (read(fd, &fe, sizeof fe) == sizeof fe) {
+		/*
+		 * XXX: This check is invalid.  We should perform a
+		 * similar comparison as getutxid().
+		 */
+		if (fe.fu_type != USER_PROCESS) {
+			lseek(fd, -sizeof fe, SEEK_CUR);
+			break;
+		}
+	}
+	write(fd, fu, sizeof *fu);
+	lockf(fd, F_ULOCK, 0);
+	close(fd);
 }
 
 static int