(Was Re: [ID 20020129.003] Trouble building perl 5.6.1)

[p5sagit/p5-mst-13.2.git] / sv.h

diff --git a/sv.h b/sv.h
index c6516bf..0a79b2a 100644 (file)
--- a/sv.h
+++ b/sv.h
@@ -1167,6 +1167,18 @@ Like C<SvSetSV>, but does any set magic required afterwards.
 =for apidoc Am|void|SvSetMagicSV_nosteal|SV* dsv|SV* ssv
 Like C<SvSetMagicSV>, but does any set magic required afterwards.
 
+=for apidoc Am|void|SvSHARE|SV* sv
+Arranges for sv to be shared between threads if a suitable module
+has been loaded.
+
+=for apidoc Am|void|SvLOCK|SV* sv
+Arranges for a mutual exclusion lock to be obtained on sv if a suitable module
+has been loaded.
+
+=for apidoc Am|void|SvUNLOCK|SV* sv
+Releases a mutual exclusion lock on sv if a suitable module
+has been loaded.
+
 =head1 SV Manipulation Functions
 
 =for apidoc Am|char *|SvGROW|SV* sv|STRLEN len
@@ -1178,6 +1190,10 @@ Returns a pointer to the character buffer.
 =cut
 */
 
+#define SvSHARE(sv) CALL_FPTR(PL_sharehook)(aTHX_ sv)
+#define SvLOCK(sv) CALL_FPTR(PL_lockhook)(aTHX_ sv)
+#define SvUNLOCK(sv) CALL_FPTR(PL_unlockhook)(aTHX_ sv)
+
 #define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END
 #define SvSETMAGIC(x) STMT_START { if (SvSMAGICAL(x)) mg_set(x); } STMT_END