xref: /openbsd-src/gnu/usr.bin/perl/perlvars.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /****************/
2 /* Truly global */
3 /****************/
4 
5 /* Don't forget to re-run embed.pl to propagate changes! */
6 
7 /* This file describes the "global" variables used by perl
8  * This used to be in perl.h directly but we want to abstract out into
9  * distinct files which are per-thread, per-interpreter or really global,
10  * and how they're initialized.
11  *
12  * The 'G' prefix is only needed for vars that need appropriate #defines
13  * generated in embed*.h.  Such symbols are also used to generate
14  * the appropriate export list for win32. */
15 
16 /* global state */
17 PERLVAR(Gcurinterp,	PerlInterpreter *)
18 					/* currently running interpreter
19 					 * (initial parent interpreter under
20 					 * useithreads) */
21 #if defined(USE_THREADS) || defined(USE_ITHREADS)
22 PERLVAR(Gthr_key,	perl_key)	/* key to retrieve per-thread struct */
23 #endif
24 
25 /* constants (these are not literals to facilitate pointer comparisons) */
26 PERLVARIC(GYes,		char *, "1")
27 PERLVARIC(GNo,		char *, "")
28 PERLVARIC(Ghexdigit,	char *, "0123456789abcdef0123456789ABCDEF")
29 PERLVARIC(Gpatleave,	char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}")
30 
31 /* XXX does anyone even use this? */
32 PERLVARI(Gdo_undump,	bool,	FALSE)	/* -u or dump seen? */
33 
34 #if defined(MYMALLOC) && (defined(USE_THREADS) || defined(USE_ITHREADS))
35 PERLVAR(Gmalloc_mutex,	perl_mutex)	/* Mutex for malloc */
36 #endif
37 
38 #if defined(USE_ITHREADS)
39 PERLVAR(Gop_mutex,	perl_mutex)	/* Mutex for op refcounting */
40 #endif
41