Move dprofpp from utils/ to ext/Devel-DProf/bin

[perl5.git] / perlio.c

diff --git a/perlio.c b/perlio.c
index 07e297e..42bdb84 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -2412,6 +2412,7 @@ PerlIOUnix_refcnt_inc(int fd)
 
        PL_perlio_fd_refcnt[fd]++;
        if (PL_perlio_fd_refcnt[fd] <= 0) {
+           /* diag_listed_as: refcnt_inc: fd %d%s */
            Perl_croak(aTHX_ "refcnt_inc: fd %d: %d <= 0\n",
                       fd, PL_perlio_fd_refcnt[fd]);
        }
@@ -2422,6 +2423,7 @@ PerlIOUnix_refcnt_inc(int fd)
        MUTEX_UNLOCK(&PL_perlio_mutex);
 #endif
     } else {
+       /* diag_listed_as: refcnt_inc: fd %d%s */
        Perl_croak(aTHX_ "refcnt_inc: fd %d < 0\n", fd);
     }
 }
@@ -2437,10 +2439,12 @@ PerlIOUnix_refcnt_dec(int fd)
        MUTEX_LOCK(&PL_perlio_mutex);
 #endif
        if (fd >= PL_perlio_fd_refcnt_size) {
+           /* diag_listed_as: refcnt_dec: fd %d%s */
            Perl_croak(aTHX_ "refcnt_dec: fd %d >= refcnt_size %d\n",
                       fd, PL_perlio_fd_refcnt_size);
        }
        if (PL_perlio_fd_refcnt[fd] <= 0) {
+           /* diag_listed_as: refcnt_dec: fd %d%s */
            Perl_croak(aTHX_ "refcnt_dec: fd %d: %d <= 0\n",
                       fd, PL_perlio_fd_refcnt[fd]);
        }
@@ -2450,11 +2454,43 @@ PerlIOUnix_refcnt_dec(int fd)
        MUTEX_UNLOCK(&PL_perlio_mutex);
 #endif
     } else {
+       /* diag_listed_as: refcnt_dec: fd %d%s */
        Perl_croak(aTHX_ "refcnt_dec: fd %d < 0\n", fd);
     }
     return cnt;
 }
 
+int
+PerlIOUnix_refcnt(int fd)
+{
+    dTHX;
+    int cnt = 0;
+    if (fd >= 0) {
+       dVAR;
+#ifdef USE_ITHREADS
+       MUTEX_LOCK(&PL_perlio_mutex);
+#endif
+       if (fd >= PL_perlio_fd_refcnt_size) {
+           /* diag_listed_as: refcnt: fd %d%s */
+           Perl_croak(aTHX_ "refcnt: fd %d >= refcnt_size %d\n",
+                      fd, PL_perlio_fd_refcnt_size);
+       }
+       if (PL_perlio_fd_refcnt[fd] <= 0) {
+           /* diag_listed_as: refcnt: fd %d%s */
+           Perl_croak(aTHX_ "refcnt: fd %d: %d <= 0\n",
+                      fd, PL_perlio_fd_refcnt[fd]);
+       }
+       cnt = PL_perlio_fd_refcnt[fd];
+#ifdef USE_ITHREADS
+       MUTEX_UNLOCK(&PL_perlio_mutex);
+#endif
+    } else {
+       /* diag_listed_as: refcnt: fd %d%s */
+       Perl_croak(aTHX_ "refcnt: fd %d < 0\n", fd);
+    }
+    return cnt;
+}
+
 void
 PerlIO_cleanup(pTHX)
 {