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

67 lines
1.3 KiB
C

/*
* $Id: aix.h,v 1.4 2001/02/10 02:31:26 tgl Exp $
*
* @(#)dlfcn.h 1.4 revision of 95/04/25 09:36:52
* This is an unpublished work copyright (c) 1992 HELIOS Software GmbH
* 30159 Hannover, Germany
*/
#ifndef PORT_PROTOS_H
#define PORT_PROTOS_H
#ifdef HAVE_DLOPEN
#include <dlfcn.h>
#else /* HAVE_DLOPEN */
#ifdef __cplusplus
extern "C"
{
#endif
/*
* Mode flags for the dlopen routine.
*/
#define RTLD_LAZY 1 /* lazy function call binding */
#define RTLD_NOW 2 /* immediate function call binding */
#define RTLD_GLOBAL 0x100 /* allow symbols to be global */
/*
* To be able to intialize, a library may provide a dl_info structure
* that contains functions to be called to initialize and terminate.
*/
struct dl_info
{
void (*init) (void);
void (*fini) (void);
};
#if __STDC__ || defined(_IBMR2)
void *dlopen(const char *path, int mode);
void *dlsym(void *handle, const char *symbol);
char *dlerror(void);
int dlclose(void *handle);
#else
void *dlopen();
void *dlsym();
char *dlerror();
int dlclose();
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAVE_DLOPEN */
#include "utils/dynamic_loader.h"
#define pg_dlopen(f) dlopen(f, RTLD_LAZY)
#define pg_dlsym dlsym
#define pg_dlclose dlclose
#define pg_dlerror dlerror
#endif /* PORT_PROTOS_H */