--- dx-4.4.4/src/exec/libdx/fileio.c.open	2006-01-05 23:55:47.000000000 +0100
+++ dx-4.4.4/src/exec/libdx/fileio.c	2007-08-17 18:43:14.000000000 +0200
@@ -263,7 +263,7 @@ Error _dxffile_open(char *name, int rw)
 	case 2:/* read/write */
 		fd = open(name, O_RDWR);
 		if (fd < 0) {
-			fd = open(name, O_WRONLY | O_CREAT);
+			fd = open(name, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
 			if (fd < 0) {
 				DXSetError(ERROR_DATA_INVALID, 
 				"can't open/create file '%s'", name);
--- dx-4.4.4/src/exec/libdx/plock.c.open	2002-07-17 06:48:18.000000000 +0200
+++ dx-4.4.4/src/exec/libdx/plock.c	2007-08-17 19:05:14.000000000 +0200
@@ -37,7 +37,8 @@ struct seminfo *__buf;      /* buffer fo
 
 #define SEM_FLAGS  	 (IPC_CREAT | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
 #define SHM_FLAGS  	 (IPC_CREAT | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
-#define OPEN_FLAGS 	 (O_CREAT | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
+#define OPEN_FLAGS	 (O_CREAT)
+#define OPEN_MODE 	 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
 #define IS_MINE(a)	 (locks->_owner[a] == getpid())
 #define SET_OWNER(a)	 (locks->_owner[a] = getpid())
 #define CLEAR_OWNER(a)	 (locks->_owner[a] = 0)
@@ -268,7 +269,7 @@ PLockInit()
 
     if (stat(LOCKFILE, &statbuf))
     {
-        int fd = open(LOCKFILE, OPEN_FLAGS);
+        int fd = open(LOCKFILE, OPEN_FLAGS, OPEN_MODE);
 	if (fd < 0)
 	{
 	    fprintf(stderr, "initLocks: error accessing locks shared block: open\n");