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/* dl_mac.xs
*
* Platform: Macintosh CFM
* Author: Matthias Neeracher <neeri@iis.ee.ethz.ch>
* Adapted from dl_dlopen.xs reference implementation by
* Paul Marquess (pmarquess@bfsec.bt.co.uk)
* $Log: dl_mac.xs,v $
* Revision 1.3 1998/04/07 01:47:24 neeri
* MacPerl 5.2.0r4b1
*
* Revision 1.2 1997/08/08 16:39:18 neeri
* MacPerl 5.1.4b1 + time() fix
*
* Revision 1.1 1997/04/07 20:48:23 neeri
* Synchronized with MacPerl 5.1.4a1
*
*/
#define MAC_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <CodeFragments.h>
typedef CFragConnectionID ConnectionID;
typedef struct {
ConnectionID ** x_connections;
} my_cxtx_t; /* this *must* be named my_cxtx_t */
#define DL_CXT_EXTRA /* ask for dl_cxtx to be defined in dlutils.c */
#include "dlutils.c" /* SaveError() etc */
#define dl_connections (dl_cxtx.x_connections)
static void terminate(void)
{
dTHX;
dMY_CXT;
int size = GetHandleSize((Handle) dl_connections) / sizeof(ConnectionID);
HLock((Handle) dl_connections);
while (size)
CloseConnection(*dl_connections + --size);
DisposeHandle((Handle) dl_connections);
dl_connections = nil;
}
static void
dl_private_init(pTHX)
{
(void)dl_generic_private_init(aTHX);
}
MODULE = DynaLoader PACKAGE = DynaLoader
BOOT:
(void)dl_private_init(aTHX);
ConnectionID
dl_load_file(filename, flags=0)
char * filename
int flags
PREINIT:
OSErr err;
FSSpec spec;
ConnectionID connID;
Ptr mainAddr;
Str255 errName;
CODE:
DLDEBUG(1,PerlIO_printf(Perl_debug_log,"dl_load_file(%s):\n", filename));
err = GUSIPath2FSp(filename, &spec);
if (!err)
err =
GetDiskFragment(
&spec, 0, 0, spec.name, kLoadCFrag, &connID, &mainAddr, errName);
if (!err) {
dMY_CXT;
if (!dl_connections) {
dl_connections = (ConnectionID **)NewHandle(0);
atexit(terminate);
}
PtrAndHand((Ptr) &connID, (Handle) dl_connections, sizeof(ConnectionID));
RETVAL = connID;
} else
RETVAL = (ConnectionID) 0;
DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%d\n", RETVAL));
ST(0) = sv_newmortal() ;
if (err)
SaveError(aTHX_ "DynaLoader error [%d, %#s]", err, errName) ;
else
sv_setiv( ST(0), (IV)RETVAL);
void *
dl_find_symbol(connID, symbol)
ConnectionID connID
Str255 symbol
CODE:
{
OSErr err;
Ptr symAddr;
CFragSymbolClass symClass;
DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%#s)\n",
connID, symbol));
err = FindSymbol(connID, symbol, &symAddr, &symClass);
if (err)
symAddr = (Ptr) 0;
RETVAL = (void *) symAddr;
DLDEBUG(2,PerlIO_printf(Perl_debug_log," symbolref = %x\n", RETVAL));
ST(0) = sv_newmortal() ;
if (err)
SaveError(aTHX_ "DynaLoader error [%d]!", err) ;
else
sv_setiv( ST(0), (IV)RETVAL);
}
void
dl_undef_symbols()
PPCODE:
# These functions should not need changing on any platform:
void
dl_install_xsub(perl_name, symref, filename="$Package")
char * perl_name
void * symref
char * filename
CODE:
DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n",
perl_name, symref));
ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename)));
char *
dl_error()
CODE:
dMY_CXT;
RETVAL = dl_last_error ;
OUTPUT:
RETVAL
# end.
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