rpm/dbrointerruptable.diff

--- ./lib/rpmdb.c.orig	2016-10-21 09:44:00.306962087 +0000
+++ ./lib/rpmdb.c	2017-01-19 10:36:12.529219141 +0000
@@ -450,9 +450,11 @@ int rpmdbClose(rpmdb db)
 {
     rpmdb * prev, next;
     int rc = 0;
+    int dbmode;
 
     if (db == NULL)
 	goto exit;
+    dbmode = db->db_mode;
 
     prev = &rpmdbRock;
     while ((next = *prev) != NULL && next != db)
@@ -487,7 +489,7 @@ int rpmdbClose(rpmdb db)
 
     db = _free(db);
 
-    if (rpmdbRock == NULL) {
+    if (rpmdbRock == NULL && (dbmode & (O_RDWR|O_WRONLY)) != 0) {
 	(void) rpmsqEnable(-SIGHUP, NULL);
 	(void) rpmsqEnable(-SIGINT, NULL);
 	(void) rpmsqEnable(-SIGTERM, NULL);
@@ -572,7 +574,7 @@ static int openDatabase(const char * pre
     /* Try to ensure db home exists, error out if we can't even create */
     rc = rpmioMkpath(rpmdbHome(db), 0755, getuid(), getgid());
     if (rc == 0) {
-	if (rpmdbRock == NULL) {
+	if (rpmdbRock == NULL && (db->db_mode & (O_RDWR|O_WRONLY)) != 0) {
 	    (void) rpmsqEnable(SIGHUP, NULL);
 	    (void) rpmsqEnable(SIGINT, NULL);
 	    (void) rpmsqEnable(SIGTERM, NULL);