/* perl.h
*
- * Copyright (c) 1987-2001, Larry Wall
+ * Copyright (c) 1987-2002, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
+
#ifndef H_PERL
#define H_PERL 1
/* See L<perlguts/"The Perl API"> for detailed notes on
* PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
+#ifdef PERL_IMPLICIT_SYS
+/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
+ so use slab allocator to avoid lots of MUTEX overhead
+ */
+# ifndef PL_OP_SLAB_ALLOC
+# define PL_OP_SLAB_ALLOC
+# endif
+#endif
+
#ifdef USE_ITHREADS
# if !defined(MULTIPLICITY)
# define MULTIPLICITY
#if defined(HASVOLATILE) || defined(STANDARD_C)
# ifdef __cplusplus
-# define VOL // to temporarily suppress warnings
+# define VOL /* to temporarily suppress warnings */
# else
# define VOL volatile
# endif
/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
-#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
+#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32) && !defined(__APPLE__)
# define USE_REENTRANT_API
#endif
# endif
#endif
+#ifndef HAS_SOCKETPAIR
+# ifdef HAS_SOCKET
+# define socketpair Perl_my_socketpair
+# endif
+#endif
+
#if INTSIZE == 2
# define htoni htons
# define ntohi ntohs
#endif
#if defined(__OPEN_VM)
-# include "vmesa/vmesaish.h"
+# include "vmesa/vmesaish.h"
+# define ISHISH "vmesa"
#endif
#ifdef DOSISH
-# if defined(OS2)
-# include "os2ish.h"
-# else
-# include "dosish.h"
-# endif
-#else
-# if defined(VMS)
+# if defined(OS2)
+# include "os2ish.h"
+# else
+# include "dosish.h"
+# endif
+# define ISHISH "dos"
+#endif
+
+#if defined(VMS)
# include "vmsish.h"
# include "embed.h"
-# else
-# if defined(PLAN9)
-# include "./plan9/plan9ish.h"
+# define ISHISH "vms"
+#endif
+
+#if defined(PLAN9)
+# include "./plan9/plan9ish.h"
+# define ISHISH "plan9"
+#endif
+
+#if defined(MPE)
+# include "mpeix/mpeixish.h"
+# define ISHISH "mpeix"
+#endif
+
+#if defined(__VOS__)
+# ifdef __GNUC__
+# include "./vos/vosish.h"
# else
-# if defined(MPE)
-# include "mpeix/mpeixish.h"
-# else
-# if defined(__VOS__)
-# include "vosish.h"
-# else
-# if defined(EPOC)
-# include "epocish.h"
-# else
-# if defined(MACOS_TRADITIONAL)
-# include "macos/macish.h"
-# ifndef NO_ENVIRON_ARRAY
-# define NO_ENVIRON_ARRAY
-# endif
-# else
-# include "unixish.h"
-# endif
-# endif
-# endif
-# endif
+# include "vos/vosish.h"
# endif
-# endif
+# define ISHISH "vos"
#endif
-#ifndef NO_ENVIRON_ARRAY
-# define USE_ENVIRON_ARRAY
+#if defined(EPOC)
+# include "epocish.h"
+# define ISHISH "epoc"
+#endif
+
+#if defined(MACOS_TRADITIONAL)
+# include "macos/macish.h"
+# ifndef NO_ENVIRON_ARRAY
+# define NO_ENVIRON_ARRAY
+# endif
+# define ISHISH "macos classic"
#endif
-#ifdef JPL
- /* E.g. JPL needs to operate on a copy of the real environment.
- * JDK 1.2 and 1.3 seem to get upset if the original environment
- * is diddled with. */
-# define NEED_ENVIRON_DUP_FOR_MODIFY
+#if defined(__BEOS__)
+# include "beos/beosish.h"
+# define ISHISH "beos"
+#endif
+
+#ifndef ISHISH
+# include "unixish.h"
+# define ISHISH "unix"
+#endif
+
+#ifndef NO_ENVIRON_ARRAY
+# define USE_ENVIRON_ARRAY
#endif
/*
#include "scope.h"
#include "warnings.h"
#include "utf8.h"
-#include "sharedsv.h"
/* Current curly descriptor */
typedef struct curcur CURCUR;
#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
-#define PERL_MAGIC_mutex 'm' /* ??? */
+#define PERL_MAGIC_mutex 'm' /* for lock op */
+#define PERL_MAGIC_shared 'N' /* Shared between threads */
+#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
#define PERL_MAGIC_tied 'P' /* Tied array or hash */
#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
#define PERL_MAGIC_taint 't' /* Taintedness */
#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
+#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
#define PERL_MAGIC_vec 'v' /* vec() lvalue */
#define PERL_MAGIC_substr 'x' /* substr() lvalue */
#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
#define PERL_MAGIC_glob '*' /* GV (typeglob) */
#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
#define PERL_MAGIC_pos '.' /* pos() lvalue */
-#define PERL_MAGIC_backref '<' /* ??? */
+#define PERL_MAGIC_backref '<' /* for weak ref data */
#define PERL_MAGIC_ext '~' /* Available for use by extensions */
#define YYMAXDEPTH 300
#ifndef assert /* <assert.h> might have been included somehow */
+#ifdef DEBUGGING
+#define assert(what) DEB( { \
+ if (!(what)) { \
+ Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
+ __FILE__, __LINE__); \
+ PerlProc_exit(1); \
+ }})
+#else
#define assert(what) DEB( { \
if (!(what)) { \
Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
PerlProc_exit(1); \
}})
#endif
+#endif
struct ufuncs {
I32 (*uf_val)(pTHX_ IV, SV*);
typedef int (CPERLscope(*runops_proc_t)) (pTHX);
+typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
/* _ (for $_) must be first in the following list (DEFSV requires it) */
#ifdef DOINIT
-EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
+EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
MEMBER_TO_FPTR(Perl_magic_set),
MEMBER_TO_FPTR(Perl_magic_len),
0, 0};
0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0};
#endif
-EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
+EXT MGVTBL PL_vtbl_pack = {0, 0,
+ MEMBER_TO_FPTR(Perl_magic_sizepack),
+ MEMBER_TO_FPTR(Perl_magic_wipepack),
0};
EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
- MEMBER_TO_FPTR(Perl_magic_setpack),
+ MEMBER_TO_FPTR(Perl_magic_setpack),
0, MEMBER_TO_FPTR(Perl_magic_clearpack),
0};
EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
MEMBER_TO_FPTR(Perl_magic_setnkeys),
0, 0, 0};
-EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
+EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
+ MEMBER_TO_FPTR(Perl_magic_settaint),
0, 0, 0};
-EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
+EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
+ MEMBER_TO_FPTR(Perl_magic_setsubstr),
0, 0, 0};
EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
- MEMBER_TO_FPTR(Perl_magic_setvec),
+ MEMBER_TO_FPTR(Perl_magic_setvec),
0, 0, 0};
EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
MEMBER_TO_FPTR(Perl_magic_setpos),
MEMBER_TO_FPTR(Perl_magic_setuvar),
0, 0, 0};
#ifdef USE_5005THREADS
-EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
+EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
+ MEMBER_TO_FPTR(Perl_magic_mutexfree)};
#endif /* USE_5005THREADS */
-EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
+EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
+ MEMBER_TO_FPTR(Perl_magic_setdefelem),
0, 0, 0};
EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
# define O_TEXT 0
#endif
+#if O_TEXT != O_BINARY
+ /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
+ * that is, you are somehow DOSish. */
+# if defined(__BEOS__) || defined(__VOS__)
+ /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
+ * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
+ /* VOS has O_TEXT != O_BINARY, and they have effect,
+ * but VOS always uses LF, never CRLF. */
+ /* If you have O_TEXT different from your O_BINARY but you still are
+ * not a CRLF shop. */
+# undef PERLIO_USING_CRLF
+# else
+ /* If you really are DOSish. */
+# define PERLIO_USING_CRLF 1
+# endif
+#endif
+
#ifdef IAMSUID
#ifdef I_SYS_STATVFS
HAS_STRUCT_CMSGHDR
HAS_NL_LANGINFO
-
+
HAS_DIRFD
so that Configure picks them up. */