Remove trailing whitespace

[perl/modules/re-engine-Plugin.git] / Plugin.xs

diff --git a/Plugin.xs b/Plugin.xs
index 11b5173fd41864ba08f1e3708fe26adf11137d81..ec8c0fe3094a19a2cd8d5dd0e5f83555c031ccf3 100644 (file)
--- a/Plugin.xs
+++ b/Plugin.xs
@@ -19,6 +19,11 @@
 
 /* ... Thread safety and multiplicity ...................................... */
 
+/* Safe unless stated otherwise in Makefile.PL */
+#ifndef REP_FORKSAFE
+# define REP_FORKSAFE 1
+#endif
+
 #ifndef REP_MULTIPLICITY
 # if defined(MULTIPLICITY) || defined(PERL_IMPLICIT_CONTEXT)
 #  define REP_MULTIPLICITY 1
@@ -93,44 +98,41 @@ typedef struct {
 
 START_MY_CXT
 
-STATIC SV *rep_clone(pTHX_ SV *sv, tTHX owner) {
-#define rep_clone(S, O) rep_clone(aTHX_ (S), (O))
- CLONE_PARAMS  param;
- AV           *stashes = NULL;
- SV           *dupsv;
-
- if (SvTYPE(sv) == SVt_PVHV && HvNAME_get(sv))
-  stashes = newAV();
-
- param.stashes    = stashes;
- param.flags      = 0;
- param.proto_perl = owner;
-
- dupsv = sv_dup(sv, &param);
-
- if (stashes) {
-  av_undef(stashes);
-  SvREFCNT_dec(stashes);
- }
-
- return SvREFCNT_inc_simple(dupsv);
-}
+typedef struct {
+ ptable *tbl;
+#if REP_HAS_PERL(5, 13, 2)
+ CLONE_PARAMS *params;
+#else
+ CLONE_PARAMS params;
+#endif
+} rep_ptable_clone_ud;
+
+#if REP_HAS_PERL(5, 13, 2)
+# define rep_ptable_clone_ud_init(U, T, O) \
+   (U).tbl    = (T); \
+   (U).params = Perl_clone_params_new((O), aTHX)
+# define rep_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
+# define rep_dup_inc(S, U)             SvREFCNT_inc(sv_dup((S), (U)->params))
+#else
+# define rep_ptable_clone_ud_init(U, T, O) \
+   (U).tbl               = (T);     \
+   (U).params.stashes    = newAV(); \
+   (U).params.flags      = 0;       \
+   (U).params.proto_perl = (O)
+# define rep_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
+# define rep_dup_inc(S, U)             SvREFCNT_inc(sv_dup((S), &((U)->params)))
+#endif
 
 STATIC void rep_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
- my_cxt_t   *ud = ud_;
+ rep_ptable_clone_ud *ud = ud_;
  rep_hint_t *h1 = ent->val;
  rep_hint_t *h2;
 
- if (ud->owner == aTHX)
-  return;
-
  h2              = PerlMemShared_malloc(sizeof *h2);
- h2->comp        = rep_clone(h1->comp, ud->owner);
- SvREFCNT_inc_simple_void(h2->comp);
- h2->exec        = rep_clone(h1->exec, ud->owner);
- SvREFCNT_inc_simple_void(h2->exec);
+ h2->comp        = rep_dup_inc(h1->comp, ud);
+ h2->exec        = rep_dup_inc(h1->exec, ud);
 #if REP_WORKAROUND_REQUIRE_PROPAGATION
- h2->require_tag = PTR2IV(rep_clone(INT2PTR(SV *, h1->require_tag), ud->owner));
+ h2->require_tag = PTR2IV(rep_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
 #endif
 
  ptable_store(ud->tbl, ent->key, h2);
@@ -206,7 +208,6 @@ get_enclosing_cv:
 STATIC SV *rep_tag(pTHX_ SV *comp, SV *exec) {
 #define rep_tag(C, E) rep_tag(aTHX_ (C), (E))
  rep_hint_t *h;
- dMY_CXT;
 
  h              = PerlMemShared_malloc(sizeof *h);
  h->comp        = rep_validate_callback(comp);
@@ -350,9 +351,9 @@ Plugin_comp(pTHX_ SV * const pattern, U32 flags)
      * already set up all the stuff we're going to to need for
      * subsequent exec and other calls */
     if (h->comp) {
-        ENTER;    
+        ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(obj);
         PUTBACK;
@@ -391,14 +392,14 @@ Plugin_exec(pTHX_ REGEXP * const RX, char *stringarg, char *strend,
 
         ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(rx->pprivate);
         XPUSHs(sv);
         PUTBACK;
 
         call_sv(self->cb_exec, G_SCALAR);
- 
+
         SPAGAIN;
 
         ret = POPs;
@@ -440,8 +441,14 @@ Plugin_checkstr(pTHX_ REGEXP * const RX)
 void
 Plugin_free(pTHX_ REGEXP * const RX)
 {
-    struct regexp *rx = rxREGEXP(RX);
-    GET_SELF_FROM_PPRIVATE(rx->pprivate);
+    struct regexp *rx;
+    re__engine__Plugin self;
+
+    if (PL_dirty)
+        return;
+
+    rx = rxREGEXP(RX);
+    SELF_FROM_PPRIVATE(self, rx->pprivate);
 
     SvREFCNT_dec(self->pattern);
     SvREFCNT_dec(self->str);
@@ -464,7 +471,7 @@ Plugin_free(pTHX_ REGEXP * const RX)
     if (callback) {
         ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(rx->pprivate);
         PUTBACK;
@@ -503,14 +510,14 @@ Plugin_numbered_buff_FETCH(pTHX_ REGEXP * const RX, const I32 paren,
     if (callback) {
         ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(rx->pprivate);
         XPUSHs(sv_2mortal(newSViv(paren)));
         PUTBACK;
 
         items = call_sv(callback, G_SCALAR);
-        
+
         if (items == 1) {
             SV *ret;
 
@@ -543,7 +550,7 @@ Plugin_numbered_buff_STORE(pTHX_ REGEXP * const RX, const I32 paren,
     if (callback) {
         ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(rx->pprivate);
         XPUSHs(sv_2mortal(newSViv(paren)));
@@ -574,7 +581,7 @@ Plugin_numbered_buff_LENGTH(pTHX_ REGEXP * const RX, const SV * const sv,
 
         ENTER;
         SAVETMPS;
-   
+
         PUSHMARK(SP);
         XPUSHs(rx->pprivate);
         XPUSHs(sv_2mortal(newSViv(paren)));
@@ -668,7 +675,13 @@ PROTOTYPES: DISABLE
 BOOT:
 {
     if (!rep_booted++) {
+        HV *stash;
+
         PERL_HASH(rep_hash, __PACKAGE__, __PACKAGE_LEN__);
+
+        stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
+        newCONSTSUB(stash, "REP_THREADSAFE",  newSVuv(REP_THREADSAFE));
+        newCONSTSUB(stash, "REP_FORKSAFE",    newSVuv(REP_FORKSAFE));
     }
 
     rep_setup();
@@ -682,11 +695,13 @@ PREINIT:
     ptable *t;
 PPCODE:
     {
-        my_cxt_t ud;
+        rep_ptable_clone_ud ud;
         dMY_CXT;
-        ud.tbl   = t = ptable_new();
-        ud.owner = MY_CXT.owner;
+
+        t = ptable_new();
+        rep_ptable_clone_ud_init(ud, t, MY_CXT.owner);
         ptable_walk(MY_CXT.tbl, rep_ptable_clone, &ud);
+        rep_ptable_clone_ud_deinit(ud);
     }
     {
         MY_CXT_CLONE;