* repeated in makedef.pl, so be certain to update
* both places when editing. */
-#ifndef PL_OP_SLAB_ALLOC
-# define PL_OP_SLAB_ALLOC
+#ifdef PERL_IMPLICIT_SYS
+/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
+ so use slab allocator to avoid lots of MUTEX overhead
+ */
+# ifndef PL_OP_SLAB_ALLOC
+# define PL_OP_SLAB_ALLOC
+# endif
#endif
#ifdef USE_ITHREADS
#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
#define IN_LOCALE \
- (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
+ (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
bool was_local = PL_numeric_local && IN_LOCALE; \