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[5.004_71] Patch: let CPAN.pm work with threaded perl
[perl5.git] / EXTERN.h
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a0d0e21e 1/* EXTERN.h
a687059c 2 *
9607fc9c 3 * Copyright (c) 1991-1997, Larry Wall
a687059c 4 *
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5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
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8 */
9
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10/*
11 * EXT designates a global var which is defined in perl.h
12 * dEXT designates a global var which is defined in another
13 * file, so we can't count on finding it in perl.h
14 * (this practice should be avoided).
15 */
8d063cd8 16#undef EXT
4633a7c4 17#undef dEXT
36477c24 18#undef EXTCONST
19#undef dEXTCONST
4633a7c4 20#if defined(VMS) && !defined(__GNUC__)
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21 /* Suppress portability warnings from DECC for VMS-specific extensions */
22# ifdef __DECC
23# pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT)
24# endif
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25# define EXT globalref
26# define dEXT globaldef {"$GLOBAL_RW_VARS"} noshare
36477c24 27# define EXTCONST globalref
28# define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
4633a7c4 29#else
ba3eb2af 30# if defined(WIN32) && !defined(PERL_STATIC_SYMS) && !defined(__GNUC__) && !defined(PERL_OBJECT)
22239a37 31# ifdef PERLDLL
3e3baf6d 32# define EXT extern __declspec(dllexport)
54310121 33# define dEXT
3e3baf6d 34# define EXTCONST extern __declspec(dllexport) const
54310121 35# define dEXTCONST const
36# else
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37# define EXT extern __declspec(dllimport)
38# define dEXT
39# define EXTCONST extern __declspec(dllimport) const
40# define dEXTCONST const
54310121 41# endif
42# else
43# define EXT extern
44# define dEXT
45# define EXTCONST extern const
46# define dEXTCONST const
47# endif
4633a7c4 48#endif
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49
50#undef INIT
51#define INIT(x)
52
53#undef DOINIT