postgresql/src/backend/port/dynloader/aix.h

40 lines
1.1 KiB
C

/*-------------------------------------------------------------------------
*
* aix.h
* prototypes for AIX-specific routines
*
*
* Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/backend/port/dynloader/aix.h
*
*-------------------------------------------------------------------------
*/
#ifndef PORT_PROTOS_H
#define PORT_PROTOS_H
#include <dlfcn.h>
#include "utils/dynamic_loader.h" /* pgrminclude ignore */
/*
* 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(h, f) ((PGFunction) dlsym(h, f))
#define pg_dlclose(h) dlclose(h)
#define pg_dlerror() dlerror()
#endif /* PORT_PROTOS_H */