From 9a361debb5c9e8e169e4d96dde73468600ab411e Mon Sep 17 00:00:00 2001
From: ewt <devnull@localhost>
Date: Sun, 29 Sep 1996 02:28:29 +0000
Subject: [PATCH] use posix fcntl() locks rather then BSD flock()

CVS patchset: 1070
CVS date: 1996/09/29 02:28:29
---
 lib/rpmdb.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/rpmdb.c b/lib/rpmdb.c
index 0cd6c75..4b8f901 100644
--- a/lib/rpmdb.c
+++ b/lib/rpmdb.c
@@ -74,6 +74,7 @@ int openDatabase(char * prefix, char * dbpath, rpmdb *rpmdbp, int mode,
     char * filename;
     struct rpmdb db;
     int i;
+    struct flock lockinfo;
 
     i = strlen(dbpath);
     if (dbpath[i - 1] != '/') {
@@ -107,14 +108,20 @@ int openDatabase(char * prefix, char * dbpath, rpmdb *rpmdbp, int mode,
 
 	/* try and get a lock - this is released by the kernel when we close
 	   the file */
+	lockinfo.l_whence = 0;
+	lockinfo.l_start = 0;
+	lockinfo.l_len = 0;
+	
 	if (mode & O_RDWR) {
-	    if (flock(db.pkgs->fd, LOCK_EX | LOCK_NB)) {
+	    lockinfo.l_type = F_WRLCK;
+	    if (fcntl(db.pkgs->fd, F_SETLK, (void *) &lockinfo)) {
 		error(RPMERR_FLOCK, "cannot get %s lock on database", 
 			"exclusive");
 		return 1;
 	    } 
 	} else {
-	    if (flock(db.pkgs->fd, LOCK_SH | LOCK_NB)) {
+	    lockinfo.l_type = F_RDLCK;
+	    if (fcntl(db.pkgs->fd, F_SETLK, (void *) &lockinfo)) {
 		error(RPMERR_FLOCK, "cannot get %s lock on database", "shared");
 		return 1;
 	    } 
-- 
2.7.4