This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Osvaldo Villalon's changes to symbian_dll.cpp.=0A=
[perl5.git] / gv.c
diff --git a/gv.c b/gv.c
index c22f73a..24e11c1 100644 (file)
--- a/gv.c
+++ b/gv.c
@@ -99,6 +99,7 @@ Perl_gv_IOadd(pTHX_ register GV *gv)
                          PL_op->op_type ==  OP_REWINDDIR ||
                          PL_op->op_type ==  OP_CLOSEDIR ?
                          "dirhandle" : "filehandle";
+       /* diag_listed_as: Bad symbol for filehandle */
         Perl_croak(aTHX_ "Bad symbol for %s", fh);
     }
 
@@ -1087,6 +1088,7 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
                             (sv_type == SVt_PVAV && !GvIMPORTED_AV(*gvp)) ||
                             (sv_type == SVt_PVHV && !GvIMPORTED_HV(*gvp)) )
                    {
+                       /* diag_listed_as: Variable "%s" is not imported%s */
                        Perl_warn(aTHX_ "Variable \"%c%s\" is not imported",
                            sv_type == SVt_PVAV ? '@' :
                            sv_type == SVt_PVHV ? '%' : '$',
@@ -1232,10 +1234,22 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
                if (strEQ(name2, "IG")) {
                    HV *hv;
                    I32 i;
-                   if (!PL_psig_ptr) {
-                       Newxz(PL_psig_ptr,  SIG_SIZE, SV*);
-                       Newxz(PL_psig_name, SIG_SIZE, SV*);
+                   if (!PL_psig_name) {
+                       Newxz(PL_psig_name, 2 * SIG_SIZE, SV*);
                        Newxz(PL_psig_pend, SIG_SIZE, int);
+                       PL_psig_ptr = PL_psig_name + SIG_SIZE;
+                   } else {
+                       /* I think that the only way to get here is to re-use an
+                          embedded perl interpreter, where the previous
+                          use didn't clean up fully because
+                          PL_perl_destruct_level was 0. I'm not sure that we
+                          "support" that, in that I suspect in that scenario
+                          there are sufficient other garbage values left in the
+                          interpreter structure that something else will crash
+                          before we get here. I suspect that this is one of
+                          those "doctor, it hurts when I do this" bugs.  */
+                       Zero(PL_psig_name, 2 * SIG_SIZE, SV*);
+                       Zero(PL_psig_pend, SIG_SIZE, int);
                    }
                    GvMULTI_on(gv);
                    hv = GvHVn(gv);
@@ -1244,9 +1258,6 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
                        SV * const * const init = hv_fetch(hv, PL_sig_name[i], strlen(PL_sig_name[i]), 1);
                        if (init)
                            sv_setsv(*init, &PL_sv_undef);
-                       PL_psig_ptr[i] = 0;
-                       PL_psig_name[i] = 0;
-                       PL_psig_pend[i] = 0;
                    }
                }
                break;
@@ -1385,6 +1396,7 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
        ro_magicalize:
            SvREADONLY_on(GvSVn(gv));
            /* FALL THROUGH */
+       case '0':
        case '1':
        case '2':
        case '3':