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-rw-r--r--erts/emulator/beam/erl_threads.h137
1 files changed, 101 insertions, 36 deletions
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index 7214f3ea33..9612b70469 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2017. 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/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * 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.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -476,15 +477,11 @@ ERTS_GLB_INLINE void erts_thr_detach(erts_tid_t tid);
ERTS_GLB_INLINE void erts_thr_exit(void *res);
ERTS_GLB_INLINE void erts_thr_install_exit_handler(void (*exit_handler)(void));
ERTS_GLB_INLINE erts_tid_t erts_thr_self(void);
+ERTS_GLB_INLINE int erts_thr_getname(erts_tid_t tid, char *buf, size_t len);
ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y);
-ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra,
- int enable_lcnt);
-ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra,
- Uint16 opt, int enable_lcnt);
-ERTS_GLB_INLINE void erts_mtx_init_locked_x(erts_mtx_t *mtx,
- char *name,
- Eterm extra,
- int enable_lcnt);
+ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra);
+ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt);
+ERTS_GLB_INLINE void erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt);
ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx, char *name);
ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx, char *name);
ERTS_GLB_INLINE void erts_mtx_destroy(erts_mtx_t *mtx);
@@ -647,20 +644,29 @@ ERTS_GLB_INLINE void erts_tsd_set(erts_tsd_key_t key, void *value);
ERTS_GLB_INLINE void * erts_tsd_get(erts_tsd_key_t key);
ERTS_GLB_INLINE erts_tse_t *erts_tse_fetch(void);
ERTS_GLB_INLINE void erts_tse_return(erts_tse_t *ep);
+ERTS_GLB_INLINE void erts_tse_prepare_timed(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_tse_set(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_tse_reset(erts_tse_t *ep);
ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep);
ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount);
+ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo);
+ERTS_GLB_INLINE int erts_tse_stwait(erts_tse_t *ep, int spincount, Sint64 tmo);
ERTS_GLB_INLINE int erts_tse_is_tmp(erts_tse_t *ep);
ERTS_GLB_INLINE void erts_thr_set_main_status(int, int);
ERTS_GLB_INLINE int erts_thr_get_main_status(void);
ERTS_GLB_INLINE void erts_thr_yield(void);
+
#ifdef ETHR_HAVE_ETHR_SIG_FUNCS
#define ERTS_THR_HAVE_SIG_FUNCS 1
ERTS_GLB_INLINE void erts_thr_sigmask(int how, const sigset_t *set,
sigset_t *oset);
ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig);
+
+#ifdef USE_THREADS
+ERTS_GLB_INLINE void erts_thr_kill(erts_tid_t tid, int sig);
+#endif
+
#endif /* #ifdef HAVE_ETHR_SIG_FUNCS */
#ifdef USE_THREADS
@@ -2045,6 +2051,8 @@ erts_atomic64_read_dirty(erts_atomic64_t *var)
#endif /* !USE_THREADS */
+#include "erl_msacc.h"
+
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE void
@@ -2129,6 +2137,16 @@ erts_thr_self(void)
#endif
}
+ERTS_GLB_INLINE int
+erts_thr_getname(erts_tid_t tid, char *buf, size_t len)
+{
+#ifdef USE_THREADS
+ return ethr_getname(tid, buf, len);
+#else
+ return -1;
+#endif
+}
+
ERTS_GLB_INLINE int
erts_equal_tids(erts_tid_t x, erts_tid_t y)
@@ -2141,7 +2159,7 @@ erts_equal_tids(erts_tid_t x, erts_tid_t y)
}
ERTS_GLB_INLINE void
-erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt)
+erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra)
{
#ifdef USE_THREADS
int res = ethr_mutex_init(&mtx->mtx);
@@ -2151,17 +2169,13 @@ erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt)
erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- if (enable_lcnt)
- erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra);
- else
- erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX, extra);
+ erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra);
#endif
#endif
}
ERTS_GLB_INLINE void
-erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt,
- int enable_lcnt)
+erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt)
{
#ifdef USE_THREADS
int res = ethr_mutex_init(&mtx->mtx);
@@ -2171,17 +2185,14 @@ erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt,
erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- if (enable_lcnt)
- erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra);
- else
- erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX | opt, extra);
+ erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra);
#endif
#endif
}
ERTS_GLB_INLINE void
-erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt)
+erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt)
{
#ifdef USE_THREADS
int res = ethr_mutex_init(&mtx->mtx);
@@ -2191,10 +2202,7 @@ erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt
erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- if (enable_lcnt)
- erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra);
- else
- erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX, extra);
+ erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra);
#endif
ethr_mutex_lock(&mtx->mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
@@ -2393,6 +2401,7 @@ erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx)
{
#ifdef USE_THREADS
int res;
+ ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_unlock(&mtx->lc);
#endif
@@ -2411,6 +2420,7 @@ erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx)
#endif
if (res != 0 && res != EINTR)
erts_thr_fatal_error(res, "wait on condition variable");
+ ERTS_MSACC_POP_STATE();
#endif
}
@@ -3441,6 +3451,15 @@ ERTS_GLB_INLINE void erts_tse_return(erts_tse_t *ep)
#endif
}
+ERTS_GLB_INLINE void erts_tse_prepare_timed(erts_tse_t *ep)
+{
+#ifdef USE_THREADS
+ int res = ethr_event_prepare_timed(&((ethr_ts_event *) ep)->event);
+ if (res != 0)
+ erts_thr_fatal_error(res, "prepare timed");
+#endif
+}
+
ERTS_GLB_INLINE void erts_tse_set(erts_tse_t *ep)
{
#ifdef USE_THREADS
@@ -3458,7 +3477,11 @@ ERTS_GLB_INLINE void erts_tse_reset(erts_tse_t *ep)
ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep)
{
#ifdef USE_THREADS
- return ethr_event_wait(&((ethr_ts_event *) ep)->event);
+ int res;
+ ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
+ res = ethr_event_wait(&((ethr_ts_event *) ep)->event);
+ ERTS_MSACC_POP_STATE();
+ return res;
#else
return ENOTSUP;
#endif
@@ -3467,7 +3490,40 @@ ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep)
ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount)
{
#ifdef USE_THREADS
- return ethr_event_swait(&((ethr_ts_event *) ep)->event, spincount);
+ int res;
+ ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
+ res = ethr_event_swait(&((ethr_ts_event *) ep)->event, spincount);
+ ERTS_MSACC_POP_STATE();
+ return res;
+#else
+ return ENOTSUP;
+#endif
+}
+
+ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo)
+{
+#ifdef USE_THREADS
+ int res;
+ ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
+ res = ethr_event_twait(&((ethr_ts_event *) ep)->event,
+ (ethr_sint64_t) tmo);
+ ERTS_MSACC_POP_STATE();
+ return res;
+#else
+ return ENOTSUP;
+#endif
+}
+
+ERTS_GLB_INLINE int erts_tse_stwait(erts_tse_t *ep, int spincount, Sint64 tmo)
+{
+#ifdef USE_THREADS
+ int res;
+ ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP);
+ res = ethr_event_stwait(&((ethr_ts_event *) ep)->event,
+ spincount,
+ (ethr_sint64_t) tmo);
+ ERTS_MSACC_POP_STATE();
+ return res;
#else
return ENOTSUP;
#endif
@@ -3517,6 +3573,15 @@ ERTS_GLB_INLINE void erts_thr_yield(void)
#ifdef ETHR_HAVE_ETHR_SIG_FUNCS
ERTS_GLB_INLINE void
+erts_thr_kill(erts_tid_t tid, int sig) {
+#ifdef USE_THREADS
+ int res = ethr_kill((ethr_tid)tid, sig);
+ if (res)
+ erts_thr_fatal_error(res, "killing thread");
+#endif
+}
+
+ERTS_GLB_INLINE void
erts_thr_sigmask(int how, const sigset_t *set, sigset_t *oset)
{
#ifdef USE_THREADS