X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=sv.h;h=0a79b2adbef0251c7614978fbd538f454121961c;hb=5284b67eb2f74db7dcaf6c897d9c70d6f197e486;hp=a80989a7fa4226720355e830f26bcc02f5b41749;hpb=11a7ac70a867da65019c2c04f8677bdcf4c9693e;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/sv.h b/sv.h
index a80989a..0a79b2a 100644
--- a/sv.h
+++ b/sv.h
@@ -1,6 +1,6 @@
 /*    sv.h
  *
- *    Copyright (c) 1991-2001, Larry Wall
+ *    Copyright (c) 1991-2002, 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.
@@ -12,6 +12,8 @@
 #endif
 
 /*
+=head1 SV Flags
+
 =for apidoc AmU||svtype
 An enum of flags for Perl types.  These are found in the file B<sv.h>
 in the C<svtype> enum.  Test these flags with the C<SvTYPE> macro.
@@ -98,6 +100,8 @@ struct io {
 };
 
 /*
+=head1 SV Manipulation Functions
+
 =for apidoc Am|U32|SvREFCNT|SV* sv
 Returns the value of the object's reference count.
 
@@ -1139,6 +1143,8 @@ incremented.
 /* the following macros update any magic values this sv is associated with */
 
 /*
+=head1 Magical Functions
+
 =for apidoc Am|void|SvGETMAGIC|SV* sv
 Invokes C<mg_get> on an SV if it has 'get' magic.  This macro evaluates its
 argument more than once.
@@ -1161,6 +1167,20 @@ 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
 Expands the character buffer in the SV so that it has room for the
 indicated number of bytes (remember to reserve space for an extra trailing
@@ -1170,6 +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