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1.1
date	94.09.28.13.02.48;	author postdev;	state Exp;
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desc
@copy from previous port
@


1.1
log
@Initial revision
@
text
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/*
 *  /usr/local/devel/postgres-v4r2/src/backend/port/alpha/RCS/dynloader.c,v 1.3 1994/02/07 11:40:58 aoki Exp
 */

#include <stdio.h>
#include <dlfcn.h>

#include "tmp/postgres.h"
#include "fmgr.h"			/* for func_ptr */
#include "utils/dynamic_loader.h"	/* for protos */
#include "port-protos.h"		/* for #define'd pg_dl* */

/*
 * Dynamic Loader on Alpha OSF/1.x
 *
 * 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.
 *
 * Note that only pg_dlopen is defined here. pg_dlsym and pg_dlclose
 * are actually macros.
 */

/*
 * pg_dlopen--
 *    attempts to dynamically loaded in filename and returns error in
 *    err, if any. 
 */
void *pg_dlopen( filename, err )
     char *filename; char **err;
{
    void *handle= NULL;

    if ((handle=dlopen(filename, RTLD_LAZY))==NULL) {
	*err = dlerror();
    }
    return (void *)handle;
}

@