1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* tclLoadShl.c --
*
* This procedure provides a version of the TclLoadFile that works
* with the "shl_load" and "shl_findsym" library procedures for
* dynamic loading (e.g. for HP machines).
*
* Copyright (c) 1995-1996 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tclLoadShl.c 1.5 96/03/15 15:01:44
*/
#include <dl.h>
/*
* On some HP machines, dl.h defines EXTERN; remove that definition.
*/
#ifdef EXTERN
# undef EXTERN
#endif
#include "transformInt.h"
#ifndef DYNAMIC_PATH
# define DYNAMIC_PATH 0
#endif
VOID *dlopen(path, mode)
CONST char *path;
#if defined(__hpux) && defined(__ia64)
int mode;
#else
unsigned int mode;
#endif
{
int flags, length;
if (path == (char *) NULL) {
return (VOID *) PROG_HANDLE;
}
flags = ((mode & RTLD_NOW) ? BIND_IMMEDIATE : BIND_DEFERRED) |
DYNAMIC_PATH;
#ifdef BIND_VERBOSE
length = strlen(path);
if ((length > 2) && !(strcmp(path+length-3,".sl"))) {
flags |= BIND_VERBOSE;
}
#endif
return (VOID *) shl_load(path, flags, 0L);
}
VOID *dlsym(handle, symbol)
VOID *handle;
CONST char *symbol;
{ VOID *address;
if (shl_findsym((shl_t *)&handle, symbol,
(short) TYPE_UNDEFINED, &address) != 0) {
address = NULL;
}
return address;
}
char *dlerror()
{
return Tcl_ErrnoMsg(errno);
}
int dlclose(handle)
VOID *handle;
{
return shl_unload((shl_t) handle);
}
|
