| Current Path : /proc/2/root/usr/lib64/perl5/CORE/ |
| Current File : //proc/2/root/usr/lib64/perl5/CORE/perlvars.h |
/* perlvars.h
*
* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
* by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
/****************/
/* Truly global */
/****************/
/* Don't forget to re-run embed.pl to propagate changes! */
/* This file describes the "global" variables used by perl
* This used to be in perl.h directly but we want to abstract out into
* distinct files which are per-thread, per-interpreter or really global,
* and how they're initialized.
*
* The 'G' prefix is only needed for vars that need appropriate #defines
* generated in embed*.h. Such symbols are also used to generate
* the appropriate export list for win32. */
/* global state */
PERLVAR(Gcurinterp, PerlInterpreter *)
/* currently running interpreter
* (initial parent interpreter under
* useithreads) */
#if defined(USE_ITHREADS)
PERLVAR(Gthr_key, perl_key) /* key to retrieve per-thread struct */
#endif
/* constants (these are not literals to facilitate pointer comparisons)
* (PERLVARISC really does create variables, despite its looks) */
PERLVARISC(GYes, "1")
PERLVARISC(GNo, "")
PERLVARISC(Ghexdigit, "0123456789abcdef0123456789ABCDEF")
PERLVARISC(Gpatleave, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}")
/* XXX does anyone even use this? */
PERLVARI(Gdo_undump, bool, FALSE) /* -u or dump seen? */
#if defined(MYMALLOC) && defined(USE_ITHREADS)
PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */
#endif
#if defined(USE_ITHREADS)
PERLVAR(Gop_mutex, perl_mutex) /* Mutex for op refcounting */
#endif
#ifdef USE_ITHREADS
PERLVAR(Gdollarzero_mutex, perl_mutex) /* Modifying $0 */
#endif
/* This is constant on most architectures, a global on OS/2 */
#ifdef OS2
# define PERL___C
#else
# define PERL___C const
#endif
PERLVARI(Gsh_path, PERL___C char *, SH_PATH) /* full path of shell */
#undef PERL___C
#ifndef PERL_MICRO
/* If Perl has to ignore SIGPFE, this is its saved state.
* See perl.h macros PERL_FPU_INIT and PERL_FPU_{PRE,POST}_EXEC. */
PERLVAR(Gsigfpe_saved, Sighandler_t)
#endif
/* Restricted hashes placeholder value.
* The contents are never used, only the address. */
PERLVAR(Gsv_placeholder, SV)
#ifndef PERL_MICRO
PERLVARI(Gcsighandlerp, Sighandler_t, Perl_csighandler) /* Pointer to C-level sighandler */
#endif
#ifndef PERL_USE_SAFE_PUTENV
PERLVARI(Guse_safe_putenv, int, 1)
#endif
#ifdef USE_PERLIO
PERLVARI(Gperlio_fd_refcnt, int*, 0) /* Pointer to array of fd refcounts. */
PERLVARI(Gperlio_fd_refcnt_size, int, 0) /* Size of the array */
PERLVARI(Gperlio_debug_fd, int, 0) /* the fd to write perlio debug into, 0 means not set yet */
#endif
#ifdef HAS_MMAP
PERLVARI(Gmmap_page_size, IV, 0)
#endif
#if defined(FAKE_PERSISTENT_SIGNAL_HANDLERS)||defined(FAKE_DEFAULT_SIGNAL_HANDLERS)
PERLVARI(Gsig_handlers_initted, int, 0)
#endif
#ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS
PERLVARA(Gsig_ignoring, SIG_SIZE, int) /* which signals we are ignoring */
#endif
#ifdef FAKE_DEFAULT_SIGNAL_HANDLERS
PERLVARA(Gsig_defaulting, SIG_SIZE, int)
#endif
#ifndef PERL_IMPLICIT_CONTEXT
PERLVAR(Gsig_sv, SV*)
#endif
/* XXX signals are process-wide anyway, so we
* ignore the implications of this for threading */
#ifndef HAS_SIGACTION
PERLVARI(Gsig_trapped, int, 0)
#endif
/* #ifdef DEBUGGING */
PERLVAR(Gwatch_pvx, char*)
/* #endif */
#ifdef PERL_GLOBAL_STRUCT
PERLVAR(Gppaddr, Perl_ppaddr_t*) /* or opcode.h */
PERLVAR(Gcheck, Perl_check_t *) /* or opcode.h */
PERLVARA(Gfold_locale, 256, unsigned char) /* or perl.h */
#endif
#ifdef PERL_NEED_APPCTX
PERLVAR(Gappctx, void*) /* the application context */
#endif
PERLVAR(Gop_sequence, HV*) /* dump.c */
PERLVARI(Gop_seq, UV, 0) /* dump.c */
#if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE)
PERLVAR(Gtimesbase, struct tms)
#endif
/* allocate a unique index to every module that calls MY_CXT_INIT */
#ifdef PERL_IMPLICIT_CONTEXT
# ifdef USE_ITHREADS
PERLVAR(Gmy_ctx_mutex, perl_mutex)
# endif
PERLVARI(Gmy_cxt_index, int, 0)
#endif
#if defined(USE_ITHREADS)
PERLVAR(Ghints_mutex, perl_mutex) /* Mutex for refcounted he refcounting */
#endif
#if defined(USE_ITHREADS)
PERLVAR(Gperlio_mutex, perl_mutex) /* Mutex for perlio fd refcounts */
#endif
/* this is currently set without MUTEX protection, so keep it a type which
* can be set atomically (ie not a bit field) */
PERLVARI(Gveto_cleanup, int, FALSE) /* exit without cleanup */
/* dummy variables that hold pointers to both runops functions, thus forcing
* them *both* to get linked in (useful for Peek.xs, debugging etc) */
PERLVARI(Grunops_std, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_standard))
PERLVARI(Grunops_dbg, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_debug))
/* These are baked at compile time into any shared perl library.
In future 5.10.x releases this will allow us in main() to sanity test the
library we're linking against. */
PERLVARI(Grevision, U8, PERL_REVISION)
PERLVARI(Gversion, U8, PERL_VERSION)
PERLVARI(Gsubversion, U8, PERL_SUBVERSION)
#if defined(MULTIPLICITY)
# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
STRUCT_OFFSET(struct interpreter, member) + \
sizeof(((struct interpreter*)0)->member)
/* These might be useful. */
PERLVARI(Ginterp_size, U16, sizeof(struct interpreter))
#if defined(PERL_GLOBAL_STRUCT)
PERLVARI(Gglobal_struct_size, U16, sizeof(struct perl_vars))
#endif
/* This will be useful for subsequent releases, because this has to be the
same in your libperl as in main(), else you have a mismatch and must abort.
*/
PERLVARI(Ginterp_size_5_10_0, U16,
PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_10_0_INTERP_MEMBER))
#endif
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