https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| eb1102fc NIS |
1 | /* perlvars.h |
| 2 | * | |
| ae53e38e JC |
3 | * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
| 4 | * by Larry Wall and others | |
| eb1102fc NIS |
5 | * |
| 6 | * You may distribute under the terms of either the GNU General Public | |
| 7 | * License or the Artistic License, as specified in the README file. | |
| 8 | * | |
| 9 | */ | |
| 10 | ||
| 49f531da NIS |
11 | /****************/ |
| 12 | /* Truly global */ | |
| 13 | /****************/ | |
| 14 | ||
| cb68f92d GS |
15 | /* Don't forget to re-run embed.pl to propagate changes! */ |
| 16 | ||
| 17 | /* This file describes the "global" variables used by perl | |
| 18 | * This used to be in perl.h directly but we want to abstract out into | |
| 19 | * distinct files which are per-thread, per-interpreter or really global, | |
| 20 | * and how they're initialized. | |
| 21 | * | |
| 22 | * The 'G' prefix is only needed for vars that need appropriate #defines | |
| 22c35a8c | 23 | * generated in embed*.h. Such symbols are also used to generate |
| 14dd3ad8 | 24 | * the appropriate export list for win32. */ |
| cb68f92d | 25 | |
| 49f531da | 26 | /* global state */ |
| cb68f92d | 27 | PERLVAR(Gcurinterp, PerlInterpreter *) |
| 43165c05 | 28 | /* currently running interpreter |
| ba869deb GS |
29 | * (initial parent interpreter under |
| 30 | * useithreads) */ | |
| 4d1ff10f | 31 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| ba869deb GS |
32 | PERLVAR(Gthr_key, perl_key) /* key to retrieve per-thread struct */ |
| 33 | #endif | |
| a0ed51b3 | 34 | |
| 3fe35a81 | 35 | /* constants (these are not literals to facilitate pointer comparisons) */ |
| 3fe6f2dc MB |
36 | PERLVARIC(GYes, char *, "1") |
| 37 | PERLVARIC(GNo, char *, "") | |
| e3fdf988 | 38 | PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEF") |
| 3fe6f2dc | 39 | PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}") |
| 43165c05 GS |
40 | |
| 41 | /* XXX does anyone even use this? */ | |
| 42 | PERLVARI(Gdo_undump, bool, FALSE) /* -u or dump seen? */ | |
| b363f7ed | 43 | |
| 4d1ff10f | 44 | #if defined(MYMALLOC) && (defined(USE_5005THREADS) || defined(USE_ITHREADS)) |
| b363f7ed GS |
45 | PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */ |
| 46 | #endif | |
| 534825c4 GS |
47 | |
| 48 | #if defined(USE_ITHREADS) | |
| 49 | PERLVAR(Gop_mutex, perl_mutex) /* Mutex for op refcounting */ | |
| 50 | #endif | |
| 60e4ec2e | 51 | |
| 6d943f66 JH |
52 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 53 | PERLVAR(Gdollarzero_mutex, perl_mutex) /* Modifying $0 */ | |
| 54 | #endif | |
| 55 | ||
| 8257dec7 | 56 | /* This is constant on most architectures, a global on OS/2 */ |
| c05e0e2f | 57 | PERLVARI(Gsh_path, const char *, SH_PATH)/* full path of shell */ |
| 8257dec7 | 58 | |
| 75a5c1c6 | 59 | #ifndef PERL_MICRO |
| 629185f5 JH |
60 | /* If Perl has to ignore SIGPFE, this is its saved state. |
| 61 | * See perl.h macros PERL_FPU_INIT and PERL_FPU_{PRE,POST}_EXEC. */ | |
| 62 | PERLVAR(Gsigfpe_saved, Sighandler_t) | |
| 75a5c1c6 | 63 | #endif |
| 629185f5 | 64 | |
| 961baadf JH |
65 | /* Restricted hashes placeholder value. |
| 66 | * The contents are never used, only the address. */ | |
| 67 | PERLVAR(Gsv_placeholder, SV) | |
| 68 | ||
| 75a5c1c6 | 69 | #ifndef PERL_MICRO |
| 17afd9a0 NC |
70 | # if defined(HAS_SIGACTION) && defined(SA_SIGINFO) |
| 71 | PERLVARI(Gcsighandlerp, Sighandler_t, Perl_csighandler_va) /* Pointer to C-level sighandler */ | |
| 72 | #else | |
| 9469442c | 73 | PERLVARI(Gcsighandlerp, Sighandler_t, Perl_csighandler) /* Pointer to C-level sighandler */ |
| 17afd9a0 | 74 | # endif |
| 75a5c1c6 | 75 | #endif |
| 71b97453 | 76 | |
| 620ebc51 MS |
77 | #ifndef PERL_USE_SAFE_PUTENV |
| 78 | PERLVARI(Guse_safe_putenv, int, 1) | |
| 79 | #endif |