do not use SVTYPEMASK to prevent cleaning of PL_fdpid and PL_strtab

Message-ID: <20080326130713.GL4409@ostwald>
Date: Wed, 26 Mar 2008 14:07:13 +0100

p4raw-id: //depot/perl@33595

2 files changed, 3 insertions, 8 deletions

diff --git a/perl.c b/perl.c
index 1abb48dbcf..57f2938a77 100644
--- a/perl.c
+++ b/perl.c
@@ -1127,18 +1127,11 @@ perl_destruct(pTHXx)
     }
 
     /* Now absolutely destruct everything, somehow or other, loops or no. */
-    SvFLAGS(PL_fdpid) |= SVTYPEMASK;		/* don't clean out pid table now */
-    SvFLAGS(PL_strtab) |= SVTYPEMASK;		/* don't clean out strtab now */
 
     /* the 2 is for PL_fdpid and PL_strtab */
-    while (PL_sv_count > 2 && sv_clean_all())
+    while (sv_clean_all() > 2)
 	;
 
-    SvFLAGS(PL_fdpid) &= ~SVTYPEMASK;
-    SvFLAGS(PL_fdpid) |= SVt_PVAV;
-    SvFLAGS(PL_strtab) &= ~SVTYPEMASK;
-    SvFLAGS(PL_strtab) |= SVt_PVHV;
-
     AvREAL_off(PL_fdpid);		/* no surviving entries */
     SvREFCNT_dec(PL_fdpid);		/* needed in io_close() */
     PL_fdpid = NULL;
diff --git a/sv.c b/sv.c
index e800bd75f6..8d986b7e3a 100644
--- a/sv.c
+++ b/sv.c
@@ -516,6 +516,8 @@ static void
 do_clean_all(pTHX_ SV *const sv)
 {
     dVAR;
+    if (sv == PL_fdpid || sv == PL_strtab) /* don't clean pid table and strtab */
+	return;
     DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) ));
     SvFLAGS(sv) |= SVf_BREAK;
     SvREFCNT_dec(sv);