Use RTLD_GLOBAL flag for dlopen-style dynamic loaders.

src/backend/port/dynloader/linux.h

@@ -1,13 +1,12 @@
 /*-------------------------------------------------------------------------
  *
- * port_protos.h
- *	  port-specific prototypes for Linux
+ * Dynamic loader interface for Linux
  *
  *
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: linux.h,v 1.11 2001/02/10 02:31:26 tgl Exp $
+ * $Id: linux.h,v 1.12 2001/05/14 21:45:53 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,13 +14,13 @@
 #define PORT_PROTOS_H
 
 #include "utils/dynamic_loader.h"
-#ifdef __ELF__
+#ifdef HAVE_DLOPEN
 #include <dlfcn.h>
 #endif
 
-/* dynloader.c */
 
-#ifndef __ELF__
+#ifndef HAVE_DLOPEN
+
 #ifndef HAVE_DLD_H
 #define pg_dlsym(handle, funcname)		(NULL)
 #define pg_dlclose(handle)			   ({})
@@ -29,14 +28,14 @@
 #define pg_dlsym(handle, funcname)		((PGFunction) dld_get_func((funcname)))
 #define pg_dlclose(handle)			   ({ dld_unlink_by_file(handle, 1); free(handle); })
 #endif
-#else
-/* #define		pg_dlopen(f)	dlopen(f, 1) */
-#define pg_dlopen(f)	dlopen(f, 2)
+
+#else /* HAVE_DLOPEN */
+
+#define pg_dlopen(f)	dlopen((f), RTLD_LAZY | RTLD_GLOBAL)
 #define pg_dlsym		dlsym
 #define pg_dlclose		dlclose
 #define pg_dlerror		dlerror
-#endif
 
-/* port.c */
+#endif /* HAVE_DLOPEN */
 
 #endif	 /* PORT_PROTOS_H */