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yap-6.3/C/load_aix.c
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2001-04-09 19:54:03 +00:00

82 lines
2.0 KiB
C

/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: load_dl.c *
* comments: dl based dynamic loaderr of external routines *
* tested on i486-linuxelf *
*************************************************************************/
#ifdef _AIX
#include "Yap.h"
#include "Yatom.h"
#include "yapio.h"
#include "Foreign.h"
#include <stdio.h>
#include <errno.h>
/*
* FindExecutable(argv[0]) should be called on yap initialization to
* locate the executable of Yap
*/
void
YAPFindExecutable(char *name)
{
/* not really needed for dl version */
strcpy(YapExecutable,"./yap");
}
/*
* LoadForeign(ofiles,libs,proc_name,init_proc) dynamically loads foreign
* code files and libraries and locates an initialization routine
*/
Int
LoadForeign(StringList ofiles, StringList libs,
char *proc_name, YapInitProc *init_proc)
{
extern char *sys_errlist[ ];
/* load wants to follow the LIBRARY_PATH */
if (ofiles->next != NULL || libs != NULL) {
strcpy(LoadMsg," Load Failed: in AIX you must load a single object file");
return LOAD_FAILLED;
}
if (!TrueFileName(ofiles->s, FileNameBuf, TRUE)) {
strcpy(LoadMsg, " Trying to open unexisting file in LoadForeign ");
return LOAD_FAILLED;
}
/* In AIX, just call load and everything will go in */
if ((*init_proc=((YapInitProc *)load(FileNameBuf,0,NULL))) == NULL) {
strcpy(LoadMsg,sys_errlist[errno]);
return LOAD_FAILLED;
}
return LOAD_SUCCEEDED;
}
void
ShutdownLoadForeign(void)
{
}
Int
ReLoadForeign(StringList ofiles, StringList libs,
char *proc_name, YapInitProc *init_proc)
{
return(LoadForeign(ofiles,libs, proc_name, init_proc));
}
#endif /* _AIX */