X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/d8feebc2af6d893304b40de06ea2e9820044f2f9..72b2a7a51313d81ea64f26dc0dc872823a5cd4f3:/usr/src/usr.bin/tip/log.c

diff --git a/usr/src/usr.bin/tip/log.c b/usr/src/usr.bin/tip/log.c
index dfe586ec7a..6a3e3da44e 100644
--- a/usr/src/usr.bin/tip/log.c
+++ b/usr/src/usr.bin/tip/log.c
@@ -1,8 +1,16 @@
-/*	log.c	4.2	81/11/20	*/
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)log.c	5.1 (Berkeley) %G%";
+#endif not lint
+
 #include "tip.h"
 
-#ifdef ACULOG
-static FILE *flog = NULL;
+static	FILE *flog = NULL;
 
 /*
  * Log file maintenance routines
@@ -17,8 +25,8 @@ logent(group, num, acu, message)
 
 	if (flog == NULL)
 		return;
-	if (!lock(value(LOCK))) {
-		fprintf(stderr, "can't lock up accounting file\r\n");
+	if (flock(fileno(flog), LOCK_EX) < 0) {
+		perror("tip: flock");
 		return;
 	}
 	if ((user = getlogin()) == NOSTR)
@@ -38,12 +46,15 @@ logent(group, num, acu, message)
 #endif
 		acu, message);
 	fflush(flog);
-	unlock();
+	(void) flock(fileno(flog), LOCK_UN);
 }
 
 loginit()
 {
-	if ((flog = fopen(value(LOG), "a")) == NULL)
+
+#ifdef ACULOG
+	flog = fopen(value(LOG), "a");
+	if (flog == NULL)
 		fprintf(stderr, "can't open log file\r\n");
-}
 #endif
+}