1 /* This file describes the "global" variables used by perl */
2 /* This used to be in perl.h directly but we want to */
3 /* abstract out which are per-thread per-interpreter really */
4 /* global and how initialized into one file */
11 PERLVAR(Gcurinterp, PerlInterpreter *) /* currently running interpreter */
13 PERLVAR(Gthr_key, perl_key) /* For per-thread struct perl_thread* */
14 PERLVAR(Gsv_mutex, perl_mutex) /* Mutex for allocating SVs in sv.c */
15 PERLVAR(Gmalloc_mutex, perl_mutex) /* Mutex for malloc */
16 PERLVAR(Geval_mutex, perl_mutex) /* Mutex for doeval */
17 PERLVAR(Geval_cond, perl_cond) /* Condition variable for doeval */
18 PERLVAR(Geval_owner, struct perl_thread *) /* Owner thread for doeval */
19 PERLVAR(Gnthreads, int) /* Number of threads currently */
20 PERLVAR(Gthreads_mutex, perl_mutex) /* Mutex for nthreads and thread list */
21 PERLVAR(Gnthreads_cond, perl_cond) /* Condition variable for nthreads */
22 PERLVAR(Gsvref_mutex, perl_mutex) /* Mutex for SvREFCNT_{inc,dec} */
23 PERLVARI(Gthreadsv_names, char *, THREADSV_NAMES)
25 PERLVAR(Gcurthr, struct perl_thread *) /* Currently executing (fake) thread */
27 #endif /* USE_THREADS */
29 PERLVAR(Guid, int) /* current real user id */
30 PERLVAR(Geuid, int) /* current effective user id */
31 PERLVAR(Ggid, int) /* current real group id */
32 PERLVAR(Gegid, int) /* current effective group id */
33 PERLVAR(Gnomemok, bool) /* let malloc context handle nomem */
34 PERLVAR(Gan, U32) /* malloc sequence number */
35 PERLVAR(Gcop_seqmax, U32) /* statement sequence number */
36 PERLVAR(Gop_seqmax, U16) /* op sequence number */
37 PERLVAR(Gevalseq, U32) /* eval sequence number */
38 PERLVAR(Gsub_generation, U32) /* inc to force methods to be looked up again */
39 PERLVAR(Gorigenviron, char **)
40 PERLVAR(Gorigalen, U32)
41 PERLVAR(Gpidstatus, HV *) /* pid-to-status mappings for waitpid */
42 PERLVAR(Gprofiledata, U32 *)
43 PERLVARI(Gmaxo, int, MAXO) /* Number of ops */
44 PERLVAR(Gosname, char *) /* operating system */
45 PERLVARI(Gsh_path, char *, SH_PATH) /* full path of shell */
46 PERLVAR(Gsighandlerp, Sighandler_t)
48 PERLVAR(Gxiv_arenaroot, XPV*) /* list of allocated xiv areas */
49 PERLVAR(Gxiv_root, IV **) /* free xiv list--shared by interpreters */
50 PERLVAR(Gxnv_root, double *) /* free xnv list--shared by interpreters */
51 PERLVAR(Gxrv_root, XRV *) /* free xrv list--shared by interpreters */
52 PERLVAR(Gxpv_root, XPV *) /* free xpv list--shared by interpreters */
53 PERLVAR(Ghe_root, HE *) /* free he list--shared by interpreters */
54 PERLVAR(Gnice_chunk, char *) /* a nice chunk of memory to reuse */
55 PERLVAR(Gnice_chunk_size, U32) /* how nice the chunk of memory is */
57 PERLVARI(Grunops, runops_proc_t *, RUNOPS_DEFAULT)
59 PERLVAR(Gtokenbuf[256], char)
60 PERLVAR(Gna, STRLEN) /* for use in SvPV when length is Not Applicable */
62 PERLVAR(Gsv_undef, SV)
66 PERLVARI(Gcshname, char *, CSH)
70 PERLVAR(Glex_state, U32) /* next token is determined */
71 PERLVAR(Glex_defer, U32) /* state after determined token */
72 PERLVAR(Glex_expect, expectation) /* expect after determined token */
73 PERLVAR(Glex_brackets, I32) /* bracket count */
74 PERLVAR(Glex_formbrack, I32) /* bracket count at outer format level */
75 PERLVAR(Glex_fakebrack, I32) /* outer bracket is mere delimiter */
76 PERLVAR(Glex_casemods, I32) /* casemod count */
77 PERLVAR(Glex_dojoin, I32) /* doing an array interpolation */
78 PERLVAR(Glex_starts, I32) /* how many interps done on level */
79 PERLVAR(Glex_stuff, SV *) /* runtime pattern from m// or s/// */
80 PERLVAR(Glex_repl, SV *) /* runtime replacement from s/// */
81 PERLVAR(Glex_op, OP *) /* extra info to pass back on op */
82 PERLVAR(Glex_inpat, OP *) /* in pattern $) and $| are special */
83 PERLVAR(Glex_inwhat, I32) /* what kind of quoting are we in */
84 PERLVAR(Glex_brackstack, char *) /* what kind of brackets to pop */
85 PERLVAR(Glex_casestack, char *) /* what kind of case mods in effect */
87 /* What we know when we're in LEX_KNOWNEXT state. */
88 PERLVAR(Gnextval[5], YYSTYPE) /* value of next token, if any */
89 PERLVAR(Gnexttype[5], I32) /* type of next token */
90 PERLVAR(Gnexttoke, I32)
92 PERLVARI(Grsfp, PerlIO * VOL, Nullfp)
93 PERLVAR(Glinestr, SV *)
94 PERLVAR(Gbufptr, char *)
95 PERLVAR(Goldbufptr, char *)
96 PERLVAR(Goldoldbufptr, char *)
97 PERLVAR(Gbufend, char *)
98 PERLVARI(Gexpect, expectation, XSTATE) /* how to interpret ambiguous tokens */
99 PERLVAR(Grsfp_filters, AV *)
101 PERLVAR(Gmulti_start, I32) /* 1st line of multi-line string */
102 PERLVAR(Gmulti_end, I32) /* last line of multi-line string */
103 PERLVAR(Gmulti_open, I32) /* delimiter of said string */
104 PERLVAR(Gmulti_close, I32) /* delimiter of said string */
106 PERLVAR(Gscrgv, GV *)
107 PERLVAR(Gerror_count, I32) /* how many errors so far, max 10 */
108 PERLVAR(Gsubline, I32) /* line this subroutine began on */
109 PERLVAR(Gsubname, SV *) /* name of current subroutine */
111 PERLVAR(Gcompcv, CV *) /* currently compiling subroutine */
112 PERLVAR(Gcomppad, AV *) /* storage for lexically scoped temporaries */
113 PERLVAR(Gcomppad_name, AV *) /* variable names for "my" variables */
114 PERLVAR(Gcomppad_name_fill, I32) /* last "introduced" variable offset */
115 PERLVAR(Gcomppad_name_floor, I32) /* start of vars in innermost block */
116 PERLVAR(Gmin_intro_pending, I32) /* start of vars to introduce */
117 PERLVAR(Gmax_intro_pending, I32) /* end of vars to introduce */
118 PERLVAR(Gpadix, I32) /* max used index in current "register" pad */
119 PERLVAR(Gpadix_floor, I32) /* how low may inner block reset padix */
120 PERLVAR(Gpad_reset_pending, I32) /* reset pad on next attempted alloc */
121 PERLVAR(Gcompiling, COP)
123 PERLVAR(Gthisexpr, I32) /* name id for nothing_in_common() */
124 PERLVAR(Glast_uni, char *) /* position of last named-unary operator */
125 PERLVAR(Glast_lop, char *) /* position of last list operator */
126 PERLVAR(Glast_lop_op, OPCODE) /* last list operator */
127 PERLVAR(Gin_my, bool) /* we're compiling a "my" declaration */
128 PERLVAR(Gin_my_stash, HV *) /* declared class of this "my" declaration */
130 PERLVAR(Gcryptseen, I32) /* has fast crypt() been initialized? */
133 PERLVAR(Ghints, U32) /* various compilation flags */
135 PERLVAR(Gdo_undump, bool) /* -u or dump seen? */
136 PERLVAR(Gdebug, VOL U32)
141 PERLVAR(Gamagic_generation, long)
145 #ifdef USE_LOCALE_COLLATE
146 PERLVAR(Gcollation_ix, U32) /* Collation generation index */
147 PERLVAR(Gcollation_name, char *) /* Name of current collation */
148 PERLVARI(Gcollation_standard, bool, TRUE) /* Assume simple collation */
149 PERLVAR(Gcollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
150 PERLVARI(Gcollxfrm_mult, Size_t, 2) /* Expansion factor in *xfrm() */
151 #endif /* USE_LOCALE_COLLATE */
153 #ifdef USE_LOCALE_NUMERIC
155 PERLVAR(Gnumeric_name, char *) /* Name of current numeric locale */
156 PERLVARI(Gnumeric_standard, bool, TRUE) /* Assume simple numerics */
157 PERLVARI(Gnumeric_local, bool, TRUE) /* Assume local numerics */
159 #endif /* !USE_LOCALE_NUMERIC */
161 /* constants (these are not literals to facilitate pointer comparisons) */
162 PERLVARIC(GYes, char *, "1")
163 PERLVARIC(GNo, char *, "")
164 PERLVARIC(Ghexdigit, char *, "0123456789abcdef0123456789ABCDEFx")
165 PERLVARIC(Gpatleave, char *, "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}")