Don’t call get-magic twice for sym refs

[perl5.git] / perliol.h

diff --git a/perliol.h b/perliol.h
index 6b714bb..a51f99b 100644 (file)
--- a/perliol.h
+++ b/perliol.h
@@ -67,6 +67,7 @@ struct _PerlIO {
     PerlIOl *next;             /* Lower layer */
     PerlIO_funcs *tab;         /* Functions for this layer */
     U32 flags;                 /* Various flags for state */
+    PerlIOl *head;             /* our ultimate parent pointer */
 };
 
 /*--------------------------------------------------------------------------------------*/
@@ -89,6 +90,7 @@ struct _PerlIO {
 #define PERLIO_F_FASTGETS      0x00400000
 #define PERLIO_F_TTY           0x00800000
 #define PERLIO_F_NOTREG         0x01000000   
+#define PERLIO_F_CLEARED        0x02000000 /* layer cleared but not freed */
 
 #define PerlIOBase(f)      (*(f))
 #define PerlIOSelf(f,type) ((type *)PerlIOBase(f))
@@ -150,7 +152,7 @@ PERL_EXPORT_C PerlIO_funcs *PerlIO_layer_fetch(pTHX_ PerlIO_list_t *av, IV n, Pe
 
 
 PERL_EXPORT_C SV *PerlIO_sv_dup(pTHX_ SV *arg, CLONE_PARAMS *param);
-PERL_EXPORT_C void PerlIO_cleantable(pTHX_ PerlIO **tablep);
+PERL_EXPORT_C void PerlIO_cleantable(pTHX_ PerlIOl **tablep);
 PERL_EXPORT_C SV * PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab);
 PERL_EXPORT_C void PerlIO_default_buffer(pTHX_ PerlIO_list_t *av);
 PERL_EXPORT_C void PerlIO_stdstreams(pTHX);
@@ -187,6 +189,7 @@ PERL_EXPORT_C IV        PerlIOBase_noop_fail(pTHX_ PerlIO *f);
 PERL_EXPORT_C IV        PerlIOBase_noop_ok(pTHX_ PerlIO *f);
 PERL_EXPORT_C IV        PerlIOBase_popped(pTHX_ PerlIO *f);
 PERL_EXPORT_C IV        PerlIOBase_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C PerlIO *  PerlIOBase_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char *mode, int fd, int imode, int perm, PerlIO *old, int narg, SV **args);
 PERL_EXPORT_C SSize_t   PerlIOBase_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
 PERL_EXPORT_C void      PerlIOBase_setlinebuf(pTHX_ PerlIO *f);
 PERL_EXPORT_C SSize_t   PerlIOBase_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
@@ -244,7 +247,6 @@ PERL_EXPORT_C void      PerlIOPending_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr,
 PERL_EXPORT_C IV        PerlIOPop_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
 
 /* Raw */
-PERL_EXPORT_C PerlIO *  PerlIORaw_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char *mode, int fd, int imode, int perm, PerlIO *old, int narg, SV **args);
 PERL_EXPORT_C IV        PerlIORaw_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
 
 /* Stdio */
@@ -277,6 +279,7 @@ PERL_EXPORT_C IV        PerlIOUnix_pushed(pTHX_ PerlIO *f, const char *mode, SV
 PERL_EXPORT_C SSize_t   PerlIOUnix_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
 PERL_EXPORT_C int       PerlIOUnix_refcnt_dec(int fd);
 PERL_EXPORT_C void      PerlIOUnix_refcnt_inc(int fd);
+PERL_EXPORT_C int       PerlIOUnix_refcnt(int fd);
 PERL_EXPORT_C IV        PerlIOUnix_seek(pTHX_ PerlIO *f, Off_t offset, int whence);
 PERL_EXPORT_C Off_t     PerlIOUnix_tell(pTHX_ PerlIO *f);
 PERL_EXPORT_C SSize_t   PerlIOUnix_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);