Commit | Line | Data |
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eb1102fc NIS |
1 | /* perlvars.h |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1999, 2000, 2001, 2002, by Larry Wall and others |
eb1102fc NIS |
4 | * |
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. | |
7 | * | |
8 | */ | |
9 | ||
49f531da NIS |
10 | /****************/ |
11 | /* Truly global */ | |
12 | /****************/ | |
13 | ||
cb68f92d GS |
14 | /* Don't forget to re-run embed.pl to propagate changes! */ |
15 | ||
16 | /* This file describes the "global" variables used by perl | |
17 | * This used to be in perl.h directly but we want to abstract out into | |
18 | * distinct files which are per-thread, per-interpreter or really global, | |
19 | * and how they're initialized. | |
20 | * | |
21 | * The 'G' prefix is only needed for vars that need appropriate #defines | |
22c35a8c | 22 | * generated in embed*.h. Such symbols are also used to generate |
14dd3ad8 | 23 | * the appropriate export list for win32. */ |
cb68f92d | 24 | |
49f531da | 25 | /* global state */ |
cb68f92d | 26 | PERLVAR(Gcurinterp, PerlInterpreter *) |
43165c05 | 27 | /* currently running interpreter |
ba869deb GS |
28 | * (initial parent interpreter under |
29 | * useithreads) */ | |
3db8f154 | 30 | #if defined(USE_ITHREADS) |
ba869deb GS |
31 | PERLVAR(Gthr_key, perl_key) /* key to retrieve per-thread struct */ |
32 | #endif | |
a0ed51b3 | 33 | |
3fe35a81 | 34 | /* constants (these are not literals to facilitate pointer comparisons) */ |
3fe6f2dc MB |
35 | PERLVARIC(GYes, char *, "1") |
36 | PERLVARIC(GNo, char *, "") | |
e3fdf988 | 37 | PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEF") |
3fe6f2dc | 38 | PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}") |
43165c05 GS |
39 | |
40 | /* XXX does anyone even use this? */ | |
41 | PERLVARI(Gdo_undump, bool, FALSE) /* -u or dump seen? */ | |
b363f7ed | 42 | |
3db8f154 | 43 | #if defined(MYMALLOC) && defined(USE_ITHREADS) |
b363f7ed GS |
44 | PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */ |
45 | #endif | |
534825c4 GS |
46 | |
47 | #if defined(USE_ITHREADS) | |
48 | PERLVAR(Gop_mutex, perl_mutex) /* Mutex for op refcounting */ | |
49 | #endif | |
60e4ec2e | 50 | |
d90a703e JH |
51 | #ifdef USE_ITHREADS |
52 | PERLVAR(Gdollarzero_mutex, perl_mutex) /* Modifying $0 */ | |
53 | #endif | |
5c728af0 IZ |
54 | |
55 | /* This is constant on most architectures, a global on OS/2 */ | |
56 | PERLVARI(Gsh_path, char *, SH_PATH)/* full path of shell */ | |
af419de7 | 57 | |
2f42fcb0 | 58 | #ifndef PERL_MICRO |
b35112e7 CS |
59 | /* If Perl has to ignore SIGPFE, this is its saved state. |
60 | * See perl.h macros PERL_FPU_INIT and PERL_FPU_{PRE,POST}_EXEC. */ | |
61 | PERLVAR(Gsigfpe_saved, Sighandler_t) | |
2f42fcb0 | 62 | #endif |
b35112e7 | 63 | |
643157af JH |
64 | /* Restricted hashes placeholder value. |
65 | * The contents are never used, only the address. */ | |
66 | PERLVAR(Gsv_placeholder, SV) | |
67 | ||
2f42fcb0 | 68 | #ifndef PERL_MICRO |
5c1546dc | 69 | PERLVARI(Gcsighandlerp, Sighandler_t, &Perl_csighandler) /* Pointer to C-level sighandler */ |
2f42fcb0 | 70 | #endif |
5c1546dc | 71 |