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-rw-r--r--erts/emulator/beam/erl_utils.h118
1 files changed, 62 insertions, 56 deletions
diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h
index 3d28b05752..880febba8b 100644
--- a/erts/emulator/beam/erl_utils.h
+++ b/erts/emulator/beam/erl_utils.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2012-2017. All Rights Reserved.
+ * Copyright Ericsson AB 2012-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -22,15 +22,12 @@
#define ERL_UTILS_H__
#include "sys.h"
-#include "erl_smp.h"
+#include "atom.h"
#include "erl_printf.h"
struct process;
typedef struct {
-#ifdef DEBUG
- int smp_api;
-#endif
union {
Uint64 not_atomic;
erts_atomic64_t atomic;
@@ -38,70 +35,25 @@ typedef struct {
} erts_interval_t;
void erts_interval_init(erts_interval_t *);
-void erts_smp_interval_init(erts_interval_t *);
Uint64 erts_step_interval_nob(erts_interval_t *);
Uint64 erts_step_interval_relb(erts_interval_t *);
-Uint64 erts_smp_step_interval_nob(erts_interval_t *);
-Uint64 erts_smp_step_interval_relb(erts_interval_t *);
Uint64 erts_ensure_later_interval_nob(erts_interval_t *, Uint64);
Uint64 erts_ensure_later_interval_acqb(erts_interval_t *, Uint64);
-Uint64 erts_smp_ensure_later_interval_nob(erts_interval_t *, Uint64);
-Uint64 erts_smp_ensure_later_interval_acqb(erts_interval_t *, Uint64);
-ERTS_GLB_INLINE Uint64 erts_current_interval_nob__(erts_interval_t *);
-ERTS_GLB_INLINE Uint64 erts_current_interval_acqb__(erts_interval_t *);
ERTS_GLB_INLINE Uint64 erts_current_interval_nob(erts_interval_t *);
ERTS_GLB_INLINE Uint64 erts_current_interval_acqb(erts_interval_t *);
-ERTS_GLB_INLINE Uint64 erts_smp_current_interval_nob(erts_interval_t *);
-ERTS_GLB_INLINE Uint64 erts_smp_current_interval_acqb(erts_interval_t *);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE Uint64
-erts_current_interval_nob__(erts_interval_t *icp)
-{
- return (Uint64) erts_atomic64_read_nob(&icp->counter.atomic);
-}
-
-ERTS_GLB_INLINE Uint64
-erts_current_interval_acqb__(erts_interval_t *icp)
-{
- return (Uint64) erts_atomic64_read_acqb(&icp->counter.atomic);
-}
-
-ERTS_GLB_INLINE Uint64
erts_current_interval_nob(erts_interval_t *icp)
{
- ASSERT(!icp->smp_api);
- return erts_current_interval_nob__(icp);
+ return (Uint64) erts_atomic64_read_nob(&icp->counter.atomic);
}
ERTS_GLB_INLINE Uint64
erts_current_interval_acqb(erts_interval_t *icp)
{
- ASSERT(!icp->smp_api);
- return erts_current_interval_acqb__(icp);
-}
-
-ERTS_GLB_INLINE Uint64
-erts_smp_current_interval_nob(erts_interval_t *icp)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
- return erts_current_interval_nob__(icp);
-#else
- return icp->counter.not_atomic;
-#endif
-}
-
-ERTS_GLB_INLINE Uint64
-erts_smp_current_interval_acqb(erts_interval_t *icp)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
- return erts_current_interval_acqb__(icp);
-#else
- return icp->counter.not_atomic;
-#endif
+ return (Uint64) erts_atomic64_read_acqb(&icp->counter.atomic);
}
#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */
@@ -140,7 +92,7 @@ Eterm erts_bld_tuple(Uint **hpp, Uint *szp, Uint arity, ...);
#define erts_bld_tuple5(H,S,E1,E2,E3,E4,E5) erts_bld_tuple(H,S,5,E1,E2,E3,E4,E5)
Eterm erts_bld_tuplev(Uint **hpp, Uint *szp, Uint arity, Eterm terms[]);
Eterm erts_bld_string_n(Uint **hpp, Uint *szp, const char *str, Sint len);
-#define erts_bld_string(hpp,szp,str) erts_bld_string_n(hpp,szp,str,strlen(str))
+#define erts_bld_string(hpp,szp,str) erts_bld_string_n(hpp,szp,str,sys_strlen(str))
Eterm erts_bld_list(Uint **hpp, Uint *szp, Sint length, Eterm terms[]);
Eterm erts_bld_2tup_list(Uint **hpp, Uint *szp,
Sint length, Eterm terms1[], Uint terms2[]);
@@ -161,10 +113,12 @@ int eq(Eterm, Eterm);
#define EQ(x,y) (((x) == (y)) || (is_not_both_immed((x),(y)) && eq((x),(y))))
-int erts_cmp_atoms(Eterm a, Eterm b);
-Sint erts_cmp(Eterm, Eterm, int, int);
-Sint erts_cmp_compound(Eterm, Eterm, int, int);
+ERTS_GLB_INLINE Sint erts_cmp(Eterm, Eterm, int, int);
+ERTS_GLB_INLINE int erts_cmp_atoms(Eterm a, Eterm b);
+
Sint cmp(Eterm a, Eterm b);
+Sint erts_cmp_compound(Eterm, Eterm, int, int);
+
#define CMP(A,B) erts_cmp(A,B,0,0)
#define CMP_TERM(A,B) erts_cmp(A,B,1,0)
#define CMP_EQ_ONLY(A,B) erts_cmp(A,B,0,1)
@@ -199,4 +153,56 @@ Sint cmp(Eterm a, Eterm b);
if (erts_cmp_compound(X,Y,0,EqOnly) Op 0) { Action; }; \
}
+#define erts_float_comp(x,y) (((x)<(y)) ? -1 : (((x)==(y)) ? 0 : 1))
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE int erts_cmp_atoms(Eterm a, Eterm b) {
+ Atom *aa = atom_tab(atom_val(a));
+ Atom *bb = atom_tab(atom_val(b));
+
+ byte *name_a, *name_b;
+ int len_a, len_b, diff;
+
+ diff = aa->ord0 - bb->ord0;
+
+ if (diff != 0) {
+ return diff;
+ }
+
+ name_a = &aa->name[3];
+ name_b = &bb->name[3];
+ len_a = aa->len-3;
+ len_b = bb->len-3;
+
+ if (len_a > 0 && len_b > 0) {
+ diff = sys_memcmp(name_a, name_b, MIN(len_a, len_b));
+
+ if (diff != 0) {
+ return diff;
+ }
+ }
+
+ return len_a - len_b;
+}
+
+ERTS_GLB_INLINE Sint erts_cmp(Eterm a, Eterm b, int exact, int eq_only) {
+ if (is_atom(a) && is_atom(b)) {
+ return erts_cmp_atoms(a, b);
+ } else if (is_both_small(a, b)) {
+ return (signed_val(a) - signed_val(b));
+ } else if (is_float(a) && is_float(b)) {
+ FloatDef af, bf;
+
+ GET_DOUBLE(a, af);
+ GET_DOUBLE(b, bf);
+
+ return erts_float_comp(af.fd, bf.fd);
+ }
+
+ return erts_cmp_compound(a,b,exact,eq_only);
+}
+
+#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
#endif