Add a tool for writing a perldelta using git notes

[perl5.git] / util.c

diff --git a/util.c b/util.c
index 15dd162..0e265be 100644 (file)
--- a/util.c
+++ b/util.c
@@ -70,12 +70,16 @@ S_write_no_mem(pTHX)
     NORETURN_FUNCTION_END;
 }
 
+#if defined (DEBUGGING) || defined(PERL_IMPLICIT_SYS) || defined (PERL_TRACK_MEMPOOL)
+#  define ALWAYS_NEED_THX
+#endif
+
 /* paranoid version of system's malloc() */
 
 Malloc_t
 Perl_safesysmalloc(MEM_SIZE size)
 {
-#ifdef DEBUGGING
+#ifdef ALWAYS_NEED_THX
     dTHX;
 #endif
     Malloc_t ptr;
@@ -121,7 +125,7 @@ Perl_safesysmalloc(MEM_SIZE size)
        return ptr;
 }
     else {
-#ifndef DEBUGGING
+#ifndef ALWAYS_NEED_THX
        dTHX;
 #endif
        if (PL_nomemok)
@@ -138,7 +142,7 @@ Perl_safesysmalloc(MEM_SIZE size)
 Malloc_t
 Perl_safesysrealloc(Malloc_t where,MEM_SIZE size)
 {
-#ifdef DEBUGGING
+#ifdef ALWAYS_NEED_THX
     dTHX;
 #endif
     Malloc_t ptr;
@@ -223,7 +227,7 @@ Perl_safesysrealloc(Malloc_t where,MEM_SIZE size)
        return ptr;
     }
     else {
-#ifndef DEBUGGING
+#ifndef ALWAYS_NEED_THX
        dTHX;
 #endif
        if (PL_nomemok)
@@ -240,7 +244,7 @@ Perl_safesysrealloc(Malloc_t where,MEM_SIZE size)
 Free_t
 Perl_safesysfree(Malloc_t where)
 {
-#if defined(DEBUGGING) && (defined(PERL_IMPLICIT_SYS) || defined(PERL_TRACK_MEMPOOL))
+#ifdef ALWAYS_NEED_THX
     dTHX;
 #else
     dVAR;
@@ -282,7 +286,7 @@ Perl_safesysfree(Malloc_t where)
 Malloc_t
 Perl_safesyscalloc(MEM_SIZE count, MEM_SIZE size)
 {
-#ifdef DEBUGGING
+#ifdef ALWAYS_NEED_THX
     dTHX;
 #endif
     Malloc_t ptr;
@@ -347,7 +351,7 @@ Perl_safesyscalloc(MEM_SIZE count, MEM_SIZE size)
        return ptr;
     }
     else {
-#ifndef DEBUGGING
+#ifndef ALWAYS_NEED_THX
        dTHX;
 #endif
        if (PL_nomemok)
@@ -1634,6 +1638,21 @@ Perl_croak(pTHX_ const char *pat, ...)
 }
 
 /*
+=for apidoc Am|void|croak_no_modify
+
+Exactly equivalent to C<Perl_croak(aTHX_ "%s", PL_no_modify)>, but generates
+terser object code than using C<Perl_croak>. Less code used on exception code
+paths reduces CPU cache pressure.
+
+*/
+
+void
+Perl_croak_no_modify(pTHX)
+{
+    Perl_croak(aTHX_ "%s", PL_no_modify);
+}
+
+/*
 =for apidoc Am|void|warn_sv|SV *baseex
 
 This is an XS interface to Perl's C<warn> function.