MM check_hints test

[p5sagit/p5-mst-13.2.git] / sharedsv.c

diff --git a/sharedsv.c b/sharedsv.c
index 070a956..f0cba10 100644 (file)
--- a/sharedsv.c
+++ b/sharedsv.c
@@ -22,8 +22,7 @@
 
 #ifdef USE_ITHREADS
 
-PerlInterpreter* sharedsv_space;
-perl_mutex sharedsv_space_mutex;
+
 
 /*
   Shared SV
@@ -34,6 +33,8 @@ perl_mutex sharedsv_space_mutex;
  */
 
 /*
+=head1 Shared SV Functions
+
 =for apidoc sharedsv_init
 
 Saves a space for keeping SVs wider than an interpreter,
@@ -45,8 +46,11 @@ currently only stores a pointer to the first interpreter.
 void
 Perl_sharedsv_init(pTHX)
 {
-    sharedsv_space = PERL_GET_CONTEXT;
-    MUTEX_INIT(&sharedsv_space_mutex);
+  PerlInterpreter* old_context = PERL_GET_CONTEXT;
+  PL_sharedsv_space = perl_alloc();
+  perl_construct(PL_sharedsv_space);
+  PERL_SET_CONTEXT(old_context);
+  MUTEX_INIT(&PL_sharedsv_space_mutex);
 }
 
 /*
@@ -66,6 +70,7 @@ Perl_sharedsv_new(pTHX)
     COND_INIT(&ssv->user_cond);
     ssv->owner = 0;
     ssv->locks = 0;
+    ssv->index = 0;
     return ssv;
 }
 
@@ -82,8 +87,29 @@ looking at magic, or by checking if it is tied again threads::shared.
 shared_sv *
 Perl_sharedsv_find(pTHX_ SV* sv)
 {
-    /* does all it can to find a shared_sv struct, returns NULL otherwise */
-    shared_sv* ssv = NULL;
+  /* does all it can to find a shared_sv struct, returns NULL otherwise */
+    shared_sv* ssv = NULL; 
+    switch (SvTYPE(sv)) {
+        case SVt_PVMG:
+        case SVt_PVAV:
+        case SVt_PVHV: {
+            MAGIC* mg = mg_find(sv, PERL_MAGIC_ext);
+            if(mg) {
+               if(strcmp(mg->mg_ptr,"threads::shared"))
+                    break;
+                ssv = INT2PTR(shared_sv *, SvIV(mg->mg_obj));
+               break;
+             }
+           
+            mg = mg_find(sv,PERL_MAGIC_tied);
+             if(mg) {
+                 SV* obj = SvTIED_obj(sv,mg);
+                if(sv_derived_from(obj, "threads::shared"))
+                     ssv = INT2PTR(shared_sv *, SvIV(SvRV(obj)));
+                 break;
+             }
+       }
+    }            
     return ssv;
 }
 
@@ -91,7 +117,7 @@ Perl_sharedsv_find(pTHX_ SV* sv)
 =for apidoc sharedsv_lock
 
 Recursive locks on a sharedsv.
-Locks are dynamicly scoped at the level of the first lock.
+Locks are dynamically scoped at the level of the first lock.
 =cut
 */
 void
@@ -162,9 +188,9 @@ Increments the threadcount of a sharedsv.
 void
 Perl_sharedsv_thrcnt_inc(pTHX_ shared_sv* ssv)
 {
-  SHAREDSvEDIT(ssv);
+  SHAREDSvLOCK(ssv);
   SvREFCNT_inc(ssv->sv);
-  SHAREDSvRELEASE(ssv);
+  SHAREDSvUNLOCK(ssv);
 }
 
 /*
@@ -180,7 +206,7 @@ void
 Perl_sharedsv_thrcnt_dec(pTHX_ shared_sv* ssv)
 {
     SV* sv;
-    SHAREDSvEDIT(ssv);
+    SHAREDSvLOCK(ssv);
     sv = SHAREDSvGET(ssv);
     if (SvREFCNT(sv) == 1) {
         switch (SvTYPE(sv)) {
@@ -194,7 +220,8 @@ Perl_sharedsv_thrcnt_dec(pTHX_ shared_sv* ssv)
 
             while (items-- > 0) {
             if(SvTYPE(*src_ary))
-                Perl_sharedsv_thrcnt_dec(aTHX_ INT2PTR(shared_sv *, SvIV(*src_ary++)));
+                Perl_sharedsv_thrcnt_dec(aTHX_ INT2PTR(shared_sv *, SvIV(*src_ary)));
+                src_ary++;
             }
             break;
         }
@@ -209,8 +236,8 @@ Perl_sharedsv_thrcnt_dec(pTHX_ shared_sv* ssv)
         }
         }
     }
-    SvREFCNT_dec(sv);
-    SHAREDSvRELEASE(ssv);
+    Perl_sv_free(PL_sharedsv_space,SHAREDSvGET(ssv));
+    SHAREDSvUNLOCK(ssv);
 }
 
 #endif /* USE_ITHREADS */