aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/sys/common/erl_mmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/sys/common/erl_mmap.h')
-rw-r--r--erts/emulator/sys/common/erl_mmap.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h
index 3790f2c94e..7ac61a82c1 100644
--- a/erts/emulator/sys/common/erl_mmap.h
+++ b/erts/emulator/sys/common/erl_mmap.h
@@ -50,6 +50,13 @@
# define ERTS_HAVE_OS_MMAP 1
#endif
+#ifdef ERTS_HAVE_GENUINE_OS_MMAP
+# define HAVE_ERTS_MMAP 1
+#else
+# define HAVE_ERTS_MMAP 0
+#endif
+
+
extern UWord erts_page_inv_mask;
typedef struct {
@@ -107,6 +114,10 @@ typedef struct {
#define ERTS_PAGEALIGNED_SIZE \
(ERTS_INV_PAGEALIGNED_MASK + 1)
+struct process;
+Eterm erts_mmap_debug_info(struct process*);
+
+#if HAVE_ERTS_MMAP
typedef struct ErtsMemMapper_ ErtsMemMapper;
@@ -130,8 +141,6 @@ Eterm erts_mmap_info(ErtsMemMapper*, int *print_to_p, void *print_to_arg,
Eterm erts_mmap_info_options(ErtsMemMapper*,
char *prefix, int *print_to_p, void *print_to_arg,
Uint **hpp, Uint *szp);
-struct process;
-Eterm erts_mmap_debug_info(ErtsMemMapper*, struct process*);
#ifdef ERTS_WANT_MEM_MAPPERS
@@ -157,4 +166,6 @@ void hard_dbg_remove_mseg(void* seg, UWord sz);
# define HARD_DBG_REMOVE_MSEG(SEG,SZ)
#endif
+#endif /* HAVE_ERTS_MMAP */
+
#endif /* ERL_MMAP_H__ */