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authorSverker Eriksson <sverker@erlang.org>2011-09-28 18:34:43 +0200
committerSverker Eriksson <sverker@erlang.org>2011-09-28 18:34:43 +0200
commitb75eb2e04df5ccce6f9e62c67fbf8d8a9ac8f425 (patch)
tree0e39af020cb904ccb78ec943bbb89276b4100360
parent909cc850f3bd3da0e996d500ec1c27d08ad8de1a (diff)
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Prevent valgrind warning for erts_alloc_permanent_cache_aligned
-rw-r--r--erts/emulator/beam/erl_alloc.c25
-rw-r--r--erts/emulator/beam/erl_alloc.h16
2 files changed, 25 insertions, 16 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index bbc8a445a7..9af80dd7a9 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -2960,6 +2960,29 @@ erts_allocator_options(void *proc)
return res;
}
+void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size)
+{
+ UWord v = (UWord) erts_alloc(type, size + (ERTS_CACHE_LINE_SIZE-1));
+
+#ifdef VALGRIND
+ { /* Avoid Leak_PossiblyLost */
+ static UWord vg_root_set[10];
+ static unsigned ix = 0;
+ if (ix >= sizeof(vg_root_set) / sizeof(*vg_root_set)) {
+ erl_exit(ERTS_ABORT_EXIT, "Too many erts_alloc_permanent_cache_aligned's\n");
+ }
+ vg_root_set[ix++] = v; /* not thread safe */
+ }
+#endif
+
+ if (v & ERTS_CACHE_LINE_MASK) {
+ v = (v & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE;
+ }
+ ASSERT((v & ERTS_CACHE_LINE_MASK) == 0);
+ return (void*)v;
+}
+
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* Deprecated functions *
* *
@@ -3583,6 +3606,4 @@ install_debug_functions(void)
return FENCE_SZ;
}
-
-
#endif /* #ifdef DEBUG */
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index c35a60da22..80cb82c393 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -180,11 +180,11 @@ void *erts_realloc(ErtsAlcType_t type, void *ptr, Uint size);
void erts_free(ErtsAlcType_t type, void *ptr);
void *erts_alloc_fnf(ErtsAlcType_t type, Uint size);
void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size);
-void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size);
-
#endif /* #if !ERTS_ALC_DO_INLINE */
+void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size);
+
#ifndef ERTS_CACHE_LINE_SIZE
/* Assume a cache line size of 64 bytes */
# define ERTS_CACHE_LINE_SIZE ((UWord) 64)
@@ -250,18 +250,6 @@ void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size)
size);
}
-ERTS_ALC_INLINE
-void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size)
-{
- UWord v = (UWord) erts_alloc(type, size + (ERTS_CACHE_LINE_SIZE-1));
-
- if (v & ERTS_CACHE_LINE_MASK) {
- v = (v & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE;
- }
- ASSERT((v & ERTS_CACHE_LINE_MASK) == 0);
- return (void*)v;
-}
-
#endif /* #if ERTS_ALC_DO_INLINE || defined(ERTS_ALC_INTERNAL__) */
typedef void (*erts_alloc_verify_func_t)(Allctr_t *);