X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=gv.h;h=01764e3617db822e320ef059475d526653a9da85;hb=cdbd8744255340e4922b281574dca2cdb92a747b;hp=f489d2d50bf06a54bb0fe3a0b138d2223397563f;hpb=f472eb5c07ed95306a11c98250bda17aae994339;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/gv.h b/gv.h
index f489d2d..01764e3 100644
--- a/gv.h
+++ b/gv.h
@@ -1,6 +1,6 @@
 /*    gv.h
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (c) 1991-2001, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -34,6 +34,14 @@ struct gp {
 #define GvSTASH(gv)	(GvXPVGV(gv)->xgv_stash)
 #define GvFLAGS(gv)	(GvXPVGV(gv)->xgv_flags)
 
+/*
+=for apidoc Am|SV*|GvSV|GV* gv
+
+Return the SV from the GV.
+
+=cut
+*/
+
 #define GvSV(gv)	(GvGP(gv)->gp_sv)
 #define GvREFCNT(gv)	(GvGP(gv)->gp_refcnt)
 #define GvIO(gv)	((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0)
@@ -123,6 +131,19 @@ HV *GvHVn();
 #define GvIN_PAD_on(gv)		(GvFLAGS(gv) |= GVf_IN_PAD)
 #define GvIN_PAD_off(gv)	(GvFLAGS(gv) &= ~GVf_IN_PAD)
 
+/* XXX: all GvFLAGS options are used, borrowing GvGPFLAGS for the moment */
+
+#define GVf_SHARED           0x0001
+#define GvSHARED(gv)         (GvGP(gv) && (GvGPFLAGS(gv) & GVf_SHARED))
+#define GvSHARED_on(gv)      (GvGPFLAGS(gv) |= GVf_SHARED)
+#define GvSHARED_off(gv)     (GvGPFLAGS(gv) &= ~GVf_SHARED)
+
+#ifdef USE_ITHREADS
+#define GV_SHARED_CHECK
+#else
+#undef  GV_SHARED_CHECK
+#endif
+
 #define Nullgv Null(GV*)
 
 #define DM_UID   0x003