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-rw-r--r--erts/emulator/beam/erl_smp.h222
1 files changed, 142 insertions, 80 deletions
diff --git a/erts/emulator/beam/erl_smp.h b/erts/emulator/beam/erl_smp.h
index 03d2a586e3..b41fa70476 100644
--- a/erts/emulator/beam/erl_smp.h
+++ b/erts/emulator/beam/erl_smp.h
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 2005-2009. All Rights Reserved.
- *
+ *
+ * Copyright Ericsson AB 2005-2010. All Rights Reserved.
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
- *
+ *
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
- *
+ *
* %CopyrightEnd%
*/
/*
@@ -43,9 +43,17 @@ typedef erts_thr_init_data_t erts_smp_thr_init_data_t;
typedef erts_tid_t erts_smp_tid_t;
typedef erts_mtx_t erts_smp_mtx_t;
typedef erts_cnd_t erts_smp_cnd_t;
+#define ERTS_SMP_RWMTX_OPT_DEFAULT_INITER ERTS_RWMTX_OPT_DEFAULT_INITER
+#define ERTS_SMP_RWMTX_TYPE_NORMAL ERTS_RWMTX_TYPE_NORMAL
+#define ERTS_SMP_RWMTX_TYPE_FREQUENT_READ ERTS_RWMTX_TYPE_FREQUENT_READ
+#define ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ \
+ ERTS_RWMTX_TYPE_EXTREMELY_FREQUENT_READ
+#define ERTS_SMP_RWMTX_LONG_LIVED ERTS_RWMTX_LONG_LIVED
+#define ERTS_SMP_RWMTX_SHORT_LIVED ERTS_RWMTX_SHORT_LIVED
+#define ERTS_SMP_RWMTX_UNKNOWN_LIVED ERTS_RWMTX_UNKNOWN_LIVED
+typedef erts_rwmtx_opt_t erts_smp_rwmtx_opt_t;
typedef erts_rwmtx_t erts_smp_rwmtx_t;
typedef erts_tsd_key_t erts_smp_tsd_key_t;
-typedef erts_gate_t erts_smp_gate_t;
typedef ethr_atomic_t erts_smp_atomic_t;
typedef erts_spinlock_t erts_smp_spinlock_t;
typedef erts_rwlock_t erts_smp_rwlock_t;
@@ -54,15 +62,27 @@ void erts_thr_fatal_error(int, char *); /* implemented in erl_init.c */
#else /* #ifdef ERTS_SMP */
-#define ERTS_SMP_THR_OPTS_DEFAULT_INITER 0
+#define ERTS_SMP_THR_OPTS_DEFAULT_INITER {0}
typedef int erts_smp_thr_opts_t;
typedef int erts_smp_thr_init_data_t;
typedef int erts_smp_tid_t;
typedef int erts_smp_mtx_t;
typedef int erts_smp_cnd_t;
+#define ERTS_SMP_RWMTX_OPT_DEFAULT_INITER {0}
+#define ERTS_SMP_RWMTX_TYPE_NORMAL 0
+#define ERTS_SMP_RWMTX_TYPE_FREQUENT_READ 0
+#define ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ 0
+#define ERTS_SMP_RWMTX_LONG_LIVED 0
+#define ERTS_SMP_RWMTX_SHORT_LIVED 0
+#define ERTS_SMP_RWMTX_UNKNOWN_LIVED 0
+typedef struct {
+ char type;
+ char lived;
+ int main_spincount;
+ int aux_spincount;
+} erts_smp_rwmtx_opt_t;
typedef int erts_smp_rwmtx_t;
typedef int erts_smp_tsd_key_t;
-typedef int erts_smp_gate_t;
typedef long erts_smp_atomic_t;
#if __GNUC__ > 2
typedef struct { } erts_smp_spinlock_t;
@@ -103,8 +123,6 @@ ERTS_GLB_INLINE void erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx,
ERTS_GLB_INLINE void erts_smp_mtx_init(erts_smp_mtx_t *mtx, char *name);
ERTS_GLB_INLINE void erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx, char *name);
ERTS_GLB_INLINE void erts_smp_mtx_destroy(erts_smp_mtx_t *mtx);
-ERTS_GLB_INLINE void erts_smp_mtx_set_forksafe(erts_smp_mtx_t *mtx);
-ERTS_GLB_INLINE void erts_smp_mtx_unset_forksafe(erts_smp_mtx_t *mtx);
ERTS_GLB_INLINE int erts_smp_mtx_trylock(erts_smp_mtx_t *mtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
ERTS_GLB_INLINE void erts_smp_mtx_lock_x(erts_smp_mtx_t *mtx, char *file, int line);
@@ -119,9 +137,17 @@ ERTS_GLB_INLINE void erts_smp_cnd_wait(erts_smp_cnd_t *cnd,
erts_smp_mtx_t *mtx);
ERTS_GLB_INLINE void erts_smp_cnd_signal(erts_smp_cnd_t *cnd);
ERTS_GLB_INLINE void erts_smp_cnd_broadcast(erts_smp_cnd_t *cnd);
+ERTS_GLB_INLINE void erts_smp_rwmtx_set_reader_group(int no);
+ERTS_GLB_INLINE void erts_smp_rwmtx_init_opt_x(erts_smp_rwmtx_t *rwmtx,
+ erts_smp_rwmtx_opt_t *opt,
+ char *name,
+ Eterm extra);
ERTS_GLB_INLINE void erts_smp_rwmtx_init_x(erts_smp_rwmtx_t *rwmtx,
char *name,
Eterm extra);
+ERTS_GLB_INLINE void erts_smp_rwmtx_init_opt(erts_smp_rwmtx_t *rwmtx,
+ erts_smp_rwmtx_opt_t *opt,
+ char *name);
ERTS_GLB_INLINE void erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx,
char *name);
ERTS_GLB_INLINE void erts_smp_rwmtx_destroy(erts_smp_rwmtx_t *rwmtx);
@@ -155,6 +181,16 @@ ERTS_GLB_INLINE long erts_smp_atomic_cmpxchg(erts_smp_atomic_t *xchgp,
long expected);
ERTS_GLB_INLINE long erts_smp_atomic_bor(erts_smp_atomic_t *var, long mask);
ERTS_GLB_INLINE long erts_smp_atomic_band(erts_smp_atomic_t *var, long mask);
+ERTS_GLB_INLINE long erts_smp_atomic_read_acqb(erts_smp_atomic_t *var);
+ERTS_GLB_INLINE void erts_smp_atomic_set_relb(erts_smp_atomic_t *var, long i);
+ERTS_GLB_INLINE void erts_smp_atomic_dec_relb(erts_smp_atomic_t *decp);
+ERTS_GLB_INLINE long erts_smp_atomic_dectest_relb(erts_smp_atomic_t *decp);
+ERTS_GLB_INLINE long erts_smp_atomic_cmpxchg_acqb(erts_smp_atomic_t *xchgp,
+ long new,
+ long exp);
+ERTS_GLB_INLINE long erts_smp_atomic_cmpxchg_relb(erts_smp_atomic_t *xchgp,
+ long new,
+ long exp);
ERTS_GLB_INLINE void erts_smp_spinlock_init_x(erts_smp_spinlock_t *lock,
char *name,
Eterm extra);
@@ -190,12 +226,6 @@ ERTS_GLB_INLINE void erts_smp_tsd_key_create(erts_smp_tsd_key_t *keyp);
ERTS_GLB_INLINE void erts_smp_tsd_key_delete(erts_smp_tsd_key_t key);
ERTS_GLB_INLINE void erts_smp_tsd_set(erts_smp_tsd_key_t key, void *value);
ERTS_GLB_INLINE void * erts_smp_tsd_get(erts_smp_tsd_key_t key);
-ERTS_GLB_INLINE void erts_smp_gate_init(erts_smp_gate_t *gp);
-ERTS_GLB_INLINE void erts_smp_gate_destroy(erts_smp_gate_t *gp);
-ERTS_GLB_INLINE void erts_smp_gate_close(erts_smp_gate_t *gp);
-ERTS_GLB_INLINE void erts_smp_gate_let_through(erts_smp_gate_t *gp, unsigned no);
-ERTS_GLB_INLINE void erts_smp_gate_wait(erts_smp_gate_t *gp);
-ERTS_GLB_INLINE void erts_smp_gate_swait(erts_smp_gate_t *gp, int spincount);
#ifdef ERTS_THR_HAVE_SIG_FUNCS
#define ERTS_SMP_THR_HAVE_SIG_FUNCS 1
@@ -331,22 +361,6 @@ erts_smp_mtx_destroy(erts_smp_mtx_t *mtx)
#endif
}
-ERTS_GLB_INLINE void
-erts_smp_mtx_set_forksafe(erts_smp_mtx_t *mtx)
-{
-#ifdef ERTS_SMP
- erts_mtx_set_forksafe(mtx);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_mtx_unset_forksafe(erts_smp_mtx_t *mtx)
-{
-#ifdef ERTS_SMP
- erts_mtx_unset_forksafe(mtx);
-#endif
-}
-
ERTS_GLB_INLINE int
erts_smp_mtx_trylock(erts_smp_mtx_t *mtx)
{
@@ -433,6 +447,25 @@ erts_smp_cnd_broadcast(erts_smp_cnd_t *cnd)
}
ERTS_GLB_INLINE void
+erts_smp_rwmtx_set_reader_group(int no)
+{
+#ifdef ERTS_SMP
+ erts_rwmtx_set_reader_group(no);
+#endif
+}
+
+ERTS_GLB_INLINE void
+erts_smp_rwmtx_init_opt_x(erts_smp_rwmtx_t *rwmtx,
+ erts_smp_rwmtx_opt_t *opt,
+ char *name,
+ Eterm extra)
+{
+#ifdef ERTS_SMP
+ erts_rwmtx_init_opt_x(rwmtx, opt, name, extra);
+#endif
+}
+
+ERTS_GLB_INLINE void
erts_smp_rwmtx_init_x(erts_smp_rwmtx_t *rwmtx, char *name, Eterm extra)
{
#ifdef ERTS_SMP
@@ -441,6 +474,16 @@ erts_smp_rwmtx_init_x(erts_smp_rwmtx_t *rwmtx, char *name, Eterm extra)
}
ERTS_GLB_INLINE void
+erts_smp_rwmtx_init_opt(erts_smp_rwmtx_t *rwmtx,
+ erts_smp_rwmtx_opt_t *opt,
+ char *name)
+{
+#ifdef ERTS_SMP
+ erts_rwmtx_init_opt(rwmtx, opt, name);
+#endif
+}
+
+ERTS_GLB_INLINE void
erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx, char *name)
{
#ifdef ERTS_SMP
@@ -709,6 +752,73 @@ erts_smp_atomic_band(erts_smp_atomic_t *var, long mask)
#endif
}
+ERTS_GLB_INLINE long
+erts_smp_atomic_read_acqb(erts_smp_atomic_t *var)
+{
+#ifdef ERTS_SMP
+ return erts_atomic_read_acqb(var);
+#else
+ return *var;
+#endif
+}
+
+ERTS_GLB_INLINE void
+erts_smp_atomic_set_relb(erts_smp_atomic_t *var, long i)
+{
+#ifdef ERTS_SMP
+ erts_atomic_set_relb(var, i);
+#else
+ *var = i;
+#endif
+}
+
+ERTS_GLB_INLINE void erts_smp_atomic_dec_relb(erts_smp_atomic_t *decp)
+{
+#ifdef ERTS_SMP
+ erts_atomic_dec_relb(decp);
+#else
+ --(*decp);
+#endif
+}
+
+ERTS_GLB_INLINE long
+erts_smp_atomic_dectest_relb(erts_smp_atomic_t *decp)
+{
+#ifdef ERTS_SMP
+ return erts_atomic_dectest_relb(decp);
+#else
+ return --(*decp);
+#endif
+}
+
+ERTS_GLB_INLINE long erts_smp_atomic_cmpxchg_acqb(erts_smp_atomic_t *xchgp,
+ long new,
+ long exp)
+{
+#ifdef ERTS_SMP
+ return erts_atomic_cmpxchg_acqb(xchgp, new, exp);
+#else
+ long old = *xchgp;
+ if (old == exp)
+ *xchgp = new;
+ return old;
+#endif
+}
+
+ERTS_GLB_INLINE long erts_smp_atomic_cmpxchg_relb(erts_smp_atomic_t *xchgp,
+ long new,
+ long exp)
+{
+#ifdef ERTS_SMP
+ return erts_atomic_cmpxchg_relb(xchgp, new, exp);
+#else
+ long old = *xchgp;
+ if (old == exp)
+ *xchgp = new;
+ return old;
+#endif
+}
+
ERTS_GLB_INLINE void
erts_smp_spinlock_init_x(erts_smp_spinlock_t *lock, char *name, Eterm extra)
{
@@ -919,54 +1029,6 @@ erts_smp_tsd_get(erts_smp_tsd_key_t key)
#endif
}
-ERTS_GLB_INLINE void
-erts_smp_gate_init(erts_smp_gate_t *gp)
-{
-#ifdef ERTS_SMP
- erts_gate_init((erts_gate_t *) gp);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_gate_destroy(erts_smp_gate_t *gp)
-{
-#ifdef ERTS_SMP
- erts_gate_destroy((erts_gate_t *) gp);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_gate_close(erts_smp_gate_t *gp)
-{
-#ifdef ERTS_SMP
- erts_gate_close((erts_gate_t *) gp);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_gate_let_through(erts_smp_gate_t *gp, unsigned no)
-{
-#ifdef ERTS_SMP
- erts_gate_let_through((erts_gate_t *) gp, no);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_gate_wait(erts_smp_gate_t *gp)
-{
-#ifdef ERTS_SMP
- erts_gate_wait((erts_gate_t *) gp);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_gate_swait(erts_smp_gate_t *gp, int spincount)
-{
-#ifdef ERTS_SMP
- erts_gate_swait((erts_gate_t *) gp, spincount);
-#endif
-}
-
#ifdef ERTS_THR_HAVE_SIG_FUNCS
#define ERTS_SMP_THR_HAVE_SIG_FUNCS 1