From 764bbd32eaea6417295279d2da9cf947afc500b5 Mon Sep 17 00:00:00 2001
From: Theodore Tso <tytso@mit.edu>
Date: Fri, 7 Oct 1994 17:24:08 +0000
Subject: [PATCH] Use POSIX_FILE_LOCKS if _POSIX_VERSION in unistd.h

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@4480 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/krb5/os/ChangeLog   |  5 +++++
 src/lib/krb5/os/lock_file.c | 13 +++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/lib/krb5/os/ChangeLog b/src/lib/krb5/os/ChangeLog
index 57b52ae3d..e6c36ad0a 100644
--- a/src/lib/krb5/os/ChangeLog
+++ b/src/lib/krb5/os/ChangeLog
@@ -1,3 +1,8 @@
+Fri Oct  7 13:23:18 1994  Theodore Y. Ts'o  (tytso@dcl)
+
+	* lock_file.c: Use POSIX_FILE_LOCKS if _POSIX_VERSION is defined
+		in unistd.h
+
 Thu Sep 22 20:46:08 1994  Theodore Y. Ts'o  (tytso@dcl)
 
 	* configure.in: Put in correct dependency order of configure.in
diff --git a/src/lib/krb5/os/lock_file.c b/src/lib/krb5/os/lock_file.c
index 0b865e9e7..6ad5bc0f6 100644
--- a/src/lib/krb5/os/lock_file.c
+++ b/src/lib/krb5/os/lock_file.c
@@ -30,8 +30,17 @@
 
 #include <stdio.h>
 
-/* POSIX_* are auto-magically defined in <krb5/config.h> at source
-   configuration time. */
+#if HAVE_UNISTD_H
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+          
+#ifdef _POSIX_VERSION
+ /* Is there a better way to decide whether or not we should use flock */
+ /* vs. fcntl.  Example: broken SunOS tmpfs.... */
+#define POSIX_FILE_LOCKS
+#endif
+
 
 #ifdef POSIX_FILE_LOCKS
 #include <errno.h>
-- 
2.26.2