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Diffstat (limited to 'src/backend/port/dynloader/sco.h')
-rw-r--r--src/backend/port/dynloader/sco.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/src/backend/port/dynloader/sco.h b/src/backend/port/dynloader/sco.h
index 171c9e4c4d2..dccca881f2b 100644
--- a/src/backend/port/dynloader/sco.h
+++ b/src/backend/port/dynloader/sco.h
@@ -1,13 +1,13 @@
/*-------------------------------------------------------------------------
*
- * port_protos.h
+ * sco.h
* port-specific prototypes for SCO 3.2v5.2
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: sco.h,v 1.11 2001/11/05 17:46:27 momjian Exp $
+ * $Id: sco.h,v 1.12 2002/02/12 23:40:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,20 +17,30 @@
#include <dlfcn.h>
#include "utils/dynamic_loader.h"
-/* dynloader.c */
/*
* Dynamic Loader on SCO 3.2v5.0.2
*
* this dynamic loader uses the system dynamic loading interface for shared
* libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
* library as the file to be dynamically loaded.
- *
*/
-#define pg_dlopen(f) dlopen((f), RTLD_LAZY | RTLD_GLOBAL)
+
+/*
+ * In some older systems, the RTLD_NOW flag isn't defined and the mode
+ * argument to dlopen must always be 1. The RTLD_GLOBAL flag is wanted
+ * if available, but it doesn't exist everywhere.
+ * If it doesn't exist, set it to 0 so it has no effect.
+ */
+#ifndef RTLD_NOW
+#define RTLD_NOW 1
+#endif
+#ifndef RTLD_GLOBAL
+#define RTLD_GLOBAL 0
+#endif
+
+#define pg_dlopen(f) dlopen((f), RTLD_NOW | RTLD_GLOBAL)
#define pg_dlsym dlsym
#define pg_dlclose dlclose
#define pg_dlerror dlerror
-/* port.c */
-
#endif /* PORT_PROTOS_H */