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-rw-r--r--erts/emulator/sys/win32/dosmap.c21
-rw-r--r--erts/emulator/sys/win32/driver_int.h21
-rw-r--r--erts/emulator/sys/win32/erl_main.c21
-rw-r--r--erts/emulator/sys/win32/erl_poll.c92
-rw-r--r--erts/emulator/sys/win32/erl_win32_sys_ddll.c24
-rw-r--r--erts/emulator/sys/win32/erl_win_dyn_driver.h39
-rw-r--r--erts/emulator/sys/win32/erl_win_sys.h115
-rw-r--r--[-rwxr-xr-x]erts/emulator/sys/win32/sys.c194
-rw-r--r--erts/emulator/sys/win32/sys_env.c19
-rw-r--r--erts/emulator/sys/win32/sys_float.c21
-rw-r--r--erts/emulator/sys/win32/sys_interrupt.c27
-rw-r--r--erts/emulator/sys/win32/sys_time.c418
12 files changed, 735 insertions, 277 deletions
diff --git a/erts/emulator/sys/win32/dosmap.c b/erts/emulator/sys/win32/dosmap.c
index 15416a66c5..a98065c666 100644
--- a/erts/emulator/sys/win32/dosmap.c
+++ b/erts/emulator/sys/win32/dosmap.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1998-2009. 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.
+ * 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
+ *
+ * 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%
*/
diff --git a/erts/emulator/sys/win32/driver_int.h b/erts/emulator/sys/win32/driver_int.h
index 97e188816e..b931da52f5 100644
--- a/erts/emulator/sys/win32/driver_int.h
+++ b/erts/emulator/sys/win32/driver_int.h
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1997-2009. 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.
+ * 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
+ *
+ * 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%
*/
diff --git a/erts/emulator/sys/win32/erl_main.c b/erts/emulator/sys/win32/erl_main.c
index 5471bffb52..21d9a58da6 100644
--- a/erts/emulator/sys/win32/erl_main.c
+++ b/erts/emulator/sys/win32/erl_main.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2000-2009. 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.
+ * 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
+ *
+ * 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%
*/
diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c
index 7a1d129cd5..547d4b1d21 100644
--- a/erts/emulator/sys/win32/erl_poll.c
+++ b/erts/emulator/sys/win32/erl_poll.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2007-2011. 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%
*/
@@ -25,6 +26,7 @@
#include "sys.h"
#include "erl_alloc.h"
#include "erl_poll.h"
+#include "erl_time.h"
/*
* Some debug macros
@@ -285,7 +287,7 @@ struct ErtsPollSet_ {
#ifdef ERTS_SMP
erts_smp_mtx_t mtx;
#endif
- erts_smp_atomic32_t timeout;
+ erts_atomic64_t timeout_time;
};
#ifdef ERTS_SMP
@@ -363,6 +365,26 @@ do { \
wait_standby(PS); \
} while(0)
+static ERTS_INLINE void
+init_timeout_time(ErtsPollSet ps)
+{
+ erts_atomic64_init_nob(&ps->timeout_time,
+ (erts_aint64_t) ERTS_MONOTONIC_TIME_MAX);
+}
+
+static ERTS_INLINE void
+set_timeout_time(ErtsPollSet ps, ErtsMonotonicTime time)
+{
+ erts_atomic64_set_relb(&ps->timeout_time,
+ (erts_aint64_t) time);
+}
+
+static ERTS_INLINE ErtsMonotonicTime
+get_timeout_time(ErtsPollSet ps)
+{
+ return (ErtsMonotonicTime) erts_atomic64_read_acqb(&ps->timeout_time);
+}
+
#define ERTS_POLL_NOT_WOKEN ((erts_aint32_t) 0)
#define ERTS_POLL_WOKEN_IO_READY ((erts_aint32_t) 1)
#define ERTS_POLL_WOKEN_INTR ((erts_aint32_t) 2)
@@ -414,7 +436,7 @@ wakeup_cause(ErtsPollSet ps)
break;
default:
res = 0;
- erl_exit(ERTS_ABORT_EXIT,
+ erts_exit(ERTS_ABORT_EXIT,
"%s:%d: Internal error: Invalid wakeup_state=%d\n",
__FILE__, __LINE__, (int) wakeup_state);
}
@@ -422,15 +444,29 @@ wakeup_cause(ErtsPollSet ps)
}
static ERTS_INLINE DWORD
-poll_wait_timeout(ErtsPollSet ps, SysTimeval *tvp)
+poll_wait_timeout(ErtsPollSet ps, ErtsMonotonicTime timeout_time)
{
- time_t timeout = tvp->tv_sec * 1000 + tvp->tv_usec / 1000;
+ ErtsMonotonicTime current_time, diff_time, timeout;
- if (timeout <= 0) {
+ if (timeout_time == ERTS_POLL_NO_TIMEOUT) {
+ no_timeout:
+ set_timeout_time(ps, ERTS_MONOTONIC_TIME_MIN);
woke_up(ps);
return (DWORD) 0;
}
+ current_time = erts_get_monotonic_time(NULL);
+ diff_time = timeout_time - current_time;
+ if (diff_time <= 0)
+ goto no_timeout;
+
+ /* Round up to nearest milli second */
+ timeout = (ERTS_MONOTONIC_TO_MSEC(diff_time - 1) + 1);
+ if (timeout > INT_MAX)
+ timeout = INT_MAX; /* Also prevents DWORD overflow */
+
+ set_timeout_time(ps, current_time + ERTS_MSEC_TO_MONOTONIC(timeout));
+
ResetEvent(ps->event_io_ready);
/*
* Since we don't know the internals of ResetEvent() we issue
@@ -442,10 +478,6 @@ poll_wait_timeout(ErtsPollSet ps, SysTimeval *tvp)
if (erts_atomic32_read_nob(&ps->wakeup_state) != ERTS_POLL_NOT_WOKEN)
return (DWORD) 0;
- if (timeout > ((time_t) ERTS_AINT32_T_MAX))
- timeout = ERTS_AINT32_T_MAX; /* Also prevents DWORD overflow */
-
- erts_smp_atomic32_set_relb(&ps->timeout, (erts_aint32_t) timeout);
return (DWORD) timeout;
}
@@ -544,7 +576,7 @@ static void signal_standby(ErtsPollSet ps)
--(ps->standby_wait_counter);
if (ps->standby_wait_counter < 0) {
LeaveCriticalSection(&(ps->standby_crit));
- erl_exit(1,"Standby signalled by more threads than expected");
+ erts_exit(ERTS_ERROR_EXIT,"Standby signalled by more threads than expected");
}
if (!(ps->standby_wait_counter)) {
SetEvent(ps->standby_wait_event);
@@ -706,7 +738,7 @@ static void *break_waiter(void *param)
erts_mtx_unlock(&break_waiter_lock);
break;
default:
- erl_exit(1,"Unexpected event in break_waiter");
+ erts_exit(ERTS_ERROR_EXIT,"Unexpected event in break_waiter");
}
}
}
@@ -1012,12 +1044,12 @@ void erts_poll_interrupt(ErtsPollSet ps, int set /* bool */)
void erts_poll_interrupt_timed(ErtsPollSet ps,
int set /* bool */,
- erts_short_time_t msec)
+ ErtsMonotonicTime timeout_time)
{
- HARDTRACEF(("In erts_poll_interrupt_timed(%d,%ld)",set,msec));
+ HARDTRACEF(("In erts_poll_interrupt_timed(%d,%ld)",set,timeout_time));
if (!set)
reset_interrupt(ps);
- else if (erts_smp_atomic32_read_acqb(&ps->timeout) > (erts_aint32_t) msec)
+ else if (get_timeout_time(ps) > timeout_time)
set_interrupt(ps);
HARDTRACEF(("Out erts_poll_interrupt_timed"));
}
@@ -1085,14 +1117,14 @@ void erts_poll_controlv(ErtsPollSet ps,
pcev[i].events,
pcev[i].on);
}
- ERTS_POLLSET_LOCK(ps);
+ ERTS_POLLSET_UNLOCK(ps);
HARDTRACEF(("Out erts_poll_controlv"));
}
int erts_poll_wait(ErtsPollSet ps,
ErtsPollResFd pr[],
int *len,
- SysTimeval *tvp)
+ ErtsMonotonicTime timeout_time)
{
int no_fds;
DWORD timeout;
@@ -1125,7 +1157,7 @@ int erts_poll_wait(ErtsPollSet ps,
HARDDEBUGF(("Oups!"));
/* Oups, got signalled before we took the lock, can't reset */
if(!is_io_ready(ps)) {
- erl_exit(1,"Internal error: "
+ erts_exit(ERTS_ERROR_EXIT,"Internal error: "
"Inconsistent io structures in erl_poll.\n");
}
START_WAITER(ps,w);
@@ -1149,7 +1181,7 @@ int erts_poll_wait(ErtsPollSet ps,
no_fds = ERTS_POLL_MAX_RES;
#endif
- timeout = poll_wait_timeout(ps, tvp);
+ timeout = poll_wait_timeout(ps, timeout_time);
/*HARDDEBUGF(("timeout = %ld",(long) timeout));*/
@@ -1183,7 +1215,7 @@ int erts_poll_wait(ErtsPollSet ps,
ERTS_SET_BREAK_REQUESTED;
break;
case BREAK_WAITER_GOT_HALT:
- erl_exit(0,"");
+ erts_exit(0,"");
break;
default:
break;
@@ -1242,7 +1274,7 @@ int erts_poll_wait(ErtsPollSet ps,
erts_mtx_unlock(&w->mtx);
}
done:
- erts_smp_atomic32_set_nob(&ps->timeout, ERTS_AINT32_T_MAX);
+ set_timeout_time(ps, ERTS_MONOTONIC_TIME_MAX);
*len = num;
ERTS_POLLSET_UNLOCK(ps);
HARDTRACEF(("Out erts_poll_wait"));
@@ -1326,7 +1358,7 @@ ErtsPollSet erts_poll_create_pollset(void)
#ifdef ERTS_SMP
erts_smp_mtx_init(&ps->mtx, "pollset");
#endif
- erts_smp_atomic32_init_nob(&ps->timeout, ERTS_AINT32_T_MAX);
+ init_timeout_time(ps);
HARDTRACEF(("Out erts_poll_create_pollset"));
return ps;
diff --git a/erts/emulator/sys/win32/erl_win32_sys_ddll.c b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
index 338f0d7386..7c24a77e31 100644
--- a/erts/emulator/sys/win32/erl_win32_sys_ddll.c
+++ b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2006-2013. 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.
+ * 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
+ *
+ * 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%
*/
@@ -51,7 +52,8 @@ void erl_sys_ddll_init(void) {
#define ERL_NIF_API_FUNC_DECL(RET,NAME,ARGS) nif_callbacks.NAME = NAME
#include "erl_nif_api_funcs.h"
#undef ERL_NIF_API_FUNC_DECL
-
+ nif_callbacks.erts_alc_test = erts_alc_test;
+
return;
}
diff --git a/erts/emulator/sys/win32/erl_win_dyn_driver.h b/erts/emulator/sys/win32/erl_win_dyn_driver.h
index 4010d939e5..9c699fdba0 100644
--- a/erts/emulator/sys/win32/erl_win_dyn_driver.h
+++ b/erts/emulator/sys/win32/erl_win_dyn_driver.h
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2003-2013. 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.
+ * 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
+ *
+ * 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%
*/
@@ -102,6 +103,11 @@ WDD_TYPEDEF(ErlDrvSInt, driver_pdl_inc_refc, (ErlDrvPDL));
WDD_TYPEDEF(ErlDrvSInt, driver_pdl_dec_refc, (ErlDrvPDL));
WDD_TYPEDEF(void, driver_system_info, (ErlDrvSysInfo *, size_t));
WDD_TYPEDEF(int, driver_get_now, (ErlDrvNowData *));
+WDD_TYPEDEF(ErlDrvTime, erl_drv_monotonic_time, (ErlDrvTimeUnit));
+WDD_TYPEDEF(ErlDrvTime, erl_drv_time_offset, (ErlDrvTimeUnit));
+WDD_TYPEDEF(ErlDrvTime, erl_drv_convert_time_unit, (ErlDrvTime,
+ ErlDrvTimeUnit,
+ ErlDrvTimeUnit));
WDD_TYPEDEF(int, driver_monitor_process, (ErlDrvPort port,
ErlDrvTermData process,
ErlDrvMonitor *monitor));
@@ -144,8 +150,8 @@ WDD_TYPEDEF(ErlDrvTid, erl_drv_thread_self, (void));
WDD_TYPEDEF(int, erl_drv_equal_tids, (ErlDrvTid tid1, ErlDrvTid tid2));
WDD_TYPEDEF(void, erl_drv_thread_exit, (void *resp));
WDD_TYPEDEF(int, erl_drv_thread_join, (ErlDrvTid, void **respp));
-WDD_TYPEDEF(int, erl_drv_putenv, (char *key, char *value));
-WDD_TYPEDEF(int, erl_drv_getenv, (char *key, char *value, size_t *value_size));
+WDD_TYPEDEF(int, erl_drv_putenv, (const char *key, char *value));
+WDD_TYPEDEF(int, erl_drv_getenv, (const char *key, char *value, size_t *value_size));
typedef struct {
WDD_FTYPE(null_func) *null_func;
@@ -216,6 +222,9 @@ typedef struct {
WDD_FTYPE(driver_pdl_dec_refc) *driver_pdl_dec_refc;
WDD_FTYPE(driver_system_info) *driver_system_info;
WDD_FTYPE(driver_get_now) *driver_get_now;
+ WDD_FTYPE(erl_drv_monotonic_time) *erl_drv_monotonic_time;
+ WDD_FTYPE(erl_drv_time_offset) *erl_drv_time_offset;
+ WDD_FTYPE(erl_drv_convert_time_unit) *erl_drv_convert_time_unit;
WDD_FTYPE(driver_monitor_process) *driver_monitor_process;
WDD_FTYPE(driver_demonitor_process) *driver_demonitor_process;
WDD_FTYPE(driver_get_monitored_process) *driver_get_monitored_process;
@@ -327,6 +336,9 @@ extern TWinDynDriverCallbacks WinDynDriverCallbacks;
#define driver_pdl_dec_refc (WinDynDriverCallbacks.driver_pdl_dec_refc)
#define driver_system_info (WinDynDriverCallbacks.driver_system_info)
#define driver_get_now (WinDynDriverCallbacks.driver_get_now)
+#define erl_drv_monotonic_time (WinDynDriverCallbacks.erl_drv_monotonic_time)
+#define erl_drv_time_offset (WinDynDriverCallbacks.erl_drv_time_offset)
+#define erl_drv_convert_time_unit (WinDynDriverCallbacks.erl_drv_convert_time_unit)
#define driver_monitor_process \
(WinDynDriverCallbacks.driver_monitor_process)
#define driver_demonitor_process \
@@ -462,6 +474,9 @@ do { \
((W).driver_pdl_dec_refc) = driver_pdl_dec_refc; \
((W).driver_system_info) = driver_system_info; \
((W).driver_get_now) = driver_get_now; \
+((W).erl_drv_monotonic_time) = erl_drv_monotonic_time; \
+((W).erl_drv_time_offset) = erl_drv_time_offset; \
+((W).erl_drv_convert_time_unit) = erl_drv_convert_time_unit; \
((W).driver_monitor_process) = driver_monitor_process; \
((W).driver_demonitor_process) = driver_demonitor_process; \
((W).driver_get_monitored_process) = driver_get_monitored_process; \
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h
index a78dbf64af..7e8dd8a4ca 100644
--- a/erts/emulator/sys/win32/erl_win_sys.h
+++ b/erts/emulator/sys/win32/erl_win_sys.h
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1997-2014. 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.
+ * 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
+ *
+ * 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%
*/
@@ -113,18 +114,13 @@
/*
* Our own type of "FD's"
*/
+#define ERTS_SYS_FD_INVALID INVALID_HANDLE_VALUE
#define ERTS_SYS_FD_TYPE HANDLE
#define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are events, not files */
-#define HAVE_ERTS_CHECK_IO_DEBUG
-int erts_check_io_debug(void);
-
/*
* For erl_time_sup
*/
-#define HAVE_GETHRTIME
-
-#define sys_init_hrtime() /* Nothing */
#define SYS_CLK_TCK 1000
#define SYS_CLOCK_RESOLUTION 1
@@ -166,18 +162,81 @@ typedef struct {
#if defined (__GNUC__)
typedef unsigned long long Uint64;
typedef long long Sint64;
-
-typedef long long SysHrTime;
+# ifdef ULLONG_MAX
+# define ERTS_UINT64_MAX ULLONG_MAX
+# endif
+# ifdef LLONG_MAX
+# define ERTS_SINT64_MAX LLONG_MAX
+# endif
+# ifdef LLONG_MIN
+# define ERTS_SINT64_MIN LLONG_MIN
+# endif
+
+typedef long long ErtsMonotonicTime;
+typedef long long ErtsSysHrTime;
#else
typedef ULONGLONG Uint64;
typedef LONGLONG Sint64;
-typedef LONGLONG SysHrTime;
+typedef LONGLONG ErtsMonotonicTime;
+typedef LONGLONG ErtsSysHrTime;
#endif
-extern int sys_init_time(void);
+typedef ErtsMonotonicTime ErtsSystemTime;
+
+ErtsSystemTime erts_os_system_time(void);
+
+#define ERTS_MONOTONIC_TIME_MIN (((ErtsMonotonicTime) 1) << 63)
+#define ERTS_MONOTONIC_TIME_MAX (~ERTS_MONOTONIC_TIME_MIN)
+
+#define ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT 1
+#define ERTS_COMPILE_TIME_MONOTONIC_TIME_UNIT 0
+
+struct erts_sys_time_read_only_data__ {
+ ErtsMonotonicTime (*os_monotonic_time)(void);
+ void (*os_times)(ErtsMonotonicTime *, ErtsSystemTime*);
+ ErtsSysHrTime (*sys_hrtime)(void);
+};
+
+typedef struct {
+ union {
+ struct erts_sys_time_read_only_data__ o;
+ char align__[(((sizeof(struct erts_sys_time_read_only_data__) - 1)
+ / ASSUMED_CACHE_LINE_SIZE) + 1)
+ * ASSUMED_CACHE_LINE_SIZE];
+ } r;
+} ErtsSysTimeData__;
+
+extern ErtsSysTimeData__ erts_sys_time_data__;
+
+ERTS_GLB_INLINE ErtsMonotonicTime erts_os_monotonic_time(void);
+ERTS_GLB_INLINE void erts_os_times(ErtsMonotonicTime *,
+ ErtsSystemTime *);
+ERTS_GLB_INLINE ErtsSysHrTime erts_sys_hrtime(void);
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE ErtsMonotonicTime
+erts_os_monotonic_time(void)
+{
+ return (*erts_sys_time_data__.r.o.os_monotonic_time)();
+}
+
+ERTS_GLB_INLINE void
+erts_os_times(ErtsMonotonicTime *mtimep, ErtsSystemTime *stimep)
+{
+ (*erts_sys_time_data__.r.o.os_times)(mtimep, stimep);
+}
+
+ERTS_GLB_INLINE ErtsSysHrTime
+erts_sys_hrtime(void)
+{
+ return (*erts_sys_time_data__.r.o.sys_hrtime)();
+}
+
+#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
extern void sys_gettimeofday(SysTimeval *tv);
-extern SysHrTime sys_gethrtime(void);
extern clock_t sys_times(SysTimes *buffer);
extern char *win_build_environment(char *);
@@ -209,6 +268,8 @@ extern volatile int erl_fp_exception;
int _finite(double x);
#endif
+#define erts_isfinite _finite
+
/*#define NO_FPE_SIGNALS*/
#define erts_get_current_fp_exception() NULL
#define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0)
@@ -238,4 +299,16 @@ typedef long ssize_t;
int init_async(int);
int exit_async(void);
#endif
+
+#define ERTS_HAVE_TRY_CATCH 1
+
+#define ERTS_SYS_TRY_CATCH(EXPR,CATCH) \
+ __try { \
+ EXPR; \
+ } \
+ __except(GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) \
+ { \
+ CATCH; \
+ }
+
#endif
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index 0ded6b274e..37d3e16256 100755..100644
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1996-2014. 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%
*/
@@ -37,7 +38,7 @@
void erts_sys_init_float(void);
void erl_start(int, char**);
-void erl_exit(int n, char*, ...);
+void erts_exit(int n, char*, ...);
void erl_error(char*, va_list);
void erl_crash_dump(char*, int, char*, ...);
@@ -199,7 +200,7 @@ erts_sys_misc_mem_sz(void)
*/
void sys_tty_reset(int exit_code)
{
- if (exit_code > 0)
+ if (exit_code == ERTS_ERROR_EXIT)
ConWaitForExit();
else
ConNormalExit();
@@ -247,6 +248,27 @@ void erl_sys_args(int* argc, char** argv)
#endif
}
+/*
+ * Function returns 1 if we can read from all values in between
+ * start and stop.
+ */
+int
+erts_sys_is_area_readable(char *start, char *stop) {
+ volatile char tmp;
+ __try
+ {
+ while(start < stop) {
+ tmp = *start;
+ start++;
+ }
+ }
+ __except(EXCEPTION_EXECUTE_HANDLER)
+ {
+ return 0;
+ }
+ return 1;
+}
+
int erts_sys_prepare_crash_dump(int secs)
{
Port *heart_port;
@@ -1392,39 +1414,46 @@ int parse_command(wchar_t* cmd){
return i;
}
-static BOOL need_quotes(wchar_t *str)
-{
- int in_quote = 0;
- int backslashed = 0;
- int naked_space = 0;
- while (*str != L'\0') {
- switch (*str) {
- case L'\\' :
- backslashed = !backslashed;
- break;
- case L'"':
- if (backslashed) {
- backslashed=0;
- } else {
- in_quote = !in_quote;
- }
- break;
- case L' ':
- backslashed = 0;
- if (!(backslashed || in_quote)) {
- naked_space++;
- }
- break;
- default:
- backslashed = 0;
+/*
+ * Translating of command line arguments to correct format. In the examples
+ * below the '' are not part of the actual string.
+ * 'io:format("hello").' -> 'io:format(\"hello\").'
+ * 'io:format("is anybody in there?").' -> '"io:format(\"is anybody in there?\")."'
+ * 'Just nod if you can hear me.' -> '"Just nod if you can hear me."'
+ * 'Is there ""anyone at home?' -> '"Is there \"\"anyone at home?"'
+ * 'Relax."' -> 'Relax.\"'
+ *
+ * If new == NULL we just calculate the length.
+ *
+ * The reason for having to quote all of the is becasue CreateProcessW removes
+ * one level of escaping since it takes a single long command line rather
+ * than the argument chunks that unix uses.
+ */
+static int escape_and_quote(wchar_t *str, wchar_t *new, BOOL *quoted) {
+ int i, j = 0;
+ if (new == NULL)
+ *quoted = FALSE;
+ else if (*quoted)
+ new[j++] = L'"';
+ for ( i = 0; str[i] != L'\0'; i++,j++) {
+ if (str[i] == L' ' && new == NULL && *quoted == FALSE) {
+ *quoted = TRUE;
+ j++;
+ }
+ /* check if we have to escape quotes */
+ if (str[i] == L'"') {
+ if (new) new[j] = L'\\';
+ j++;
}
- ++str;
+ if (new) new[j] = str[i];
+ }
+ if (*quoted) {
+ if (new) new[j] = L'"';
+ j++;
}
- return (naked_space > 0);
+ return j;
}
-
-
/*
*----------------------------------------------------------------------
@@ -1585,31 +1614,24 @@ create_child_process
wcscpy(appname, execPath);
}
if (argv == NULL) {
- BOOL orig_need_q = need_quotes(execPath);
+ BOOL orig_need_q;
wchar_t *ptr;
- int ocl = wcslen(execPath);
+ int ocl = escape_and_quote(execPath, NULL, &orig_need_q);
if (run_cmd) {
newcmdline = (wchar_t *) erts_alloc(ERTS_ALC_T_TMP,
- (ocl + ((orig_need_q) ? 3 : 1)
- + 11)*sizeof(wchar_t));
+ (ocl + 1 + 11)*sizeof(wchar_t));
memcpy(newcmdline,L"cmd.exe /c ",11*sizeof(wchar_t));
ptr = newcmdline + 11;
} else {
newcmdline = (wchar_t *) erts_alloc(ERTS_ALC_T_TMP,
- (ocl + ((orig_need_q) ? 3 : 1))*sizeof(wchar_t));
+ (ocl + 1)*sizeof(wchar_t));
ptr = (wchar_t *) newcmdline;
}
- if (orig_need_q) {
- *ptr++ = L'"';
- }
- memcpy(ptr,execPath,ocl*sizeof(wchar_t));
- ptr += ocl;
- if (orig_need_q) {
- *ptr++ = L'"';
- }
- *ptr = L'\0';
+ ptr += escape_and_quote(execPath, ptr, &orig_need_q);
+ ptr[0] = L'\0';
} else {
- int sum = 1; /* '\0' */
+ int sum = 0;
+ BOOL *qte = NULL;
wchar_t **ar = argv;
wchar_t *n;
wchar_t *save_arg0 = NULL;
@@ -1620,11 +1642,13 @@ create_child_process
if (run_cmd) {
sum += 11; /* cmd.exe /c */
}
+
+ while (*ar != NULL) ar++;
+ qte = erts_alloc(ERTS_ALC_T_TMP, (ar - argv)*sizeof(BOOL));
+
+ ar = argv;
while (*ar != NULL) {
- sum += wcslen(*ar);
- if (need_quotes(*ar)) {
- sum += 2; /* quotes */
- }
+ sum += escape_and_quote(*ar,NULL,qte+(ar - argv));
sum++; /* space */
++ar;
}
@@ -1636,26 +1660,18 @@ create_child_process
n += 11;
}
while (*ar != NULL) {
- int q = need_quotes(*ar);
- sum = wcslen(*ar);
- if (q) {
- *n++ = L'"';
- }
- memcpy(n,*ar,sum*sizeof(wchar_t));
- n += sum;
- if (q) {
- *n++ = L'"';
- }
+ n += escape_and_quote(*ar,n,qte+(ar - argv));
*n++ = L' ';
++ar;
}
- *(n-1) = L'\0';
+ *(n-1) = L'\0'; /* overwrite last space with '\0' */
if (save_arg0 != NULL) {
argv[0] = save_arg0;
}
+ erts_free(ERTS_ALC_T_TMP, qte);
}
- DEBUGF(("Creating child process: %s, createFlags = %d\n", newcmdline, createFlags));
+ DEBUGF((stderr,"Creating child process: %S, createFlags = %d\n", newcmdline, createFlags));
ok = CreateProcessW((wchar_t *) appname,
(wchar_t *) newcmdline,
NULL,
@@ -2190,7 +2206,7 @@ static void fd_stop(ErlDrvData data)
ASSERT(dp->out.flushEvent);
SetEvent(dp->out.flushEvent);
} while (WaitForSingleObject(dp->out.flushReplyEvent, 10) == WAIT_TIMEOUT
- || !(dp->out.flags & DF_THREAD_FLUSHED));
+ && !(dp->out.flags & DF_THREAD_FLUSHED));
}
}
@@ -3094,13 +3110,13 @@ check_supported_os_version(void)
|| int_os_version.dwMajorVersion < major
|| (int_os_version.dwMajorVersion == major
&& int_os_version.dwMinorVersion < minor))
- erl_exit(-1,
+ erts_exit(1,
"Windows version not supported "
"(min required: winnt %d.%d)\n",
major, minor);
}
#else
- erl_exit(-1,
+ erts_exit(1,
"Windows version not supported "
"(min required: win %d.%d)\n",
nt_major, nt_minor);
@@ -3157,25 +3173,31 @@ thr_create_prepare_child(void *vtcdp)
void
erts_sys_pre_init(void)
{
+#ifdef USE_THREADS
+ erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER;
+#endif
int_os_version.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&int_os_version);
check_supported_os_version();
+
#ifdef USE_THREADS
- {
- erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER;
+ eid.thread_create_child_func = thr_create_prepare_child;
+ /* Before creation in parent */
+ eid.thread_create_prepare_func = thr_create_prepare;
+ /* After creation in parent */
+ eid.thread_create_parent_func = thr_create_cleanup;
- eid.thread_create_child_func = thr_create_prepare_child;
- /* Before creation in parent */
- eid.thread_create_prepare_func = thr_create_prepare;
- /* After creation in parent */
- eid.thread_create_parent_func = thr_create_cleanup,
+ erts_thr_init(&eid);
+#endif
+
+ erts_init_sys_time_sup();
- erts_thr_init(&eid);
+#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init();
+ erts_lcnt_init();
#endif
- }
#endif
+
erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0);
}
@@ -3258,9 +3280,9 @@ erts_sys_schedule_interrupt(int set)
#ifdef ERTS_SMP
void
-erts_sys_schedule_interrupt_timed(int set, erts_short_time_t msec)
+erts_sys_schedule_interrupt_timed(int set, ErtsMonotonicTime timeout_time)
{
- erts_check_io_interrupt_timed(set, msec);
+ erts_check_io_interrupt_timed(set, timeout_time);
}
#endif
diff --git a/erts/emulator/sys/win32/sys_env.c b/erts/emulator/sys/win32/sys_env.c
index 9f977ad6c8..67b6e55377 100644
--- a/erts/emulator/sys/win32/sys_env.c
+++ b/erts/emulator/sys/win32/sys_env.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2002-2012. 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%
*/
diff --git a/erts/emulator/sys/win32/sys_float.c b/erts/emulator/sys/win32/sys_float.c
index 0e19746cf5..86e822da5b 100644
--- a/erts/emulator/sys/win32/sys_float.c
+++ b/erts/emulator/sys/win32/sys_float.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1997-2013. 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.
+ * 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
+ *
+ * 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%
*/
diff --git a/erts/emulator/sys/win32/sys_interrupt.c b/erts/emulator/sys/win32/sys_interrupt.c
index 36c43e93da..a89211fa8e 100644
--- a/erts/emulator/sys/win32/sys_interrupt.c
+++ b/erts/emulator/sys/win32/sys_interrupt.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1997-2012. 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.
+ * 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
+ *
+ * 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%
*/
@@ -80,7 +81,7 @@ BOOL WINAPI ctrl_handler_ignore_break(DWORD dwCtrlType)
return TRUE;
/* else pour through... */
case CTRL_CLOSE_EVENT:
- erl_exit(0, "");
+ erts_exit(0, "");
break;
}
return TRUE;
@@ -105,7 +106,7 @@ BOOL WINAPI ctrl_handler_replace_intr(DWORD dwCtrlType)
/* else pour through... */
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
- erl_exit(0, "");
+ erts_exit(0, "");
break;
}
return TRUE;
@@ -132,7 +133,7 @@ BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
return TRUE;
/* else pour through... */
case CTRL_CLOSE_EVENT:
- erl_exit(0, "");
+ erts_exit(0, "");
break;
}
return TRUE;
diff --git a/erts/emulator/sys/win32/sys_time.c b/erts/emulator/sys/win32/sys_time.c
index b84c8f85ce..3cf7f7cf07 100644
--- a/erts/emulator/sys/win32/sys_time.c
+++ b/erts/emulator/sys/win32/sys_time.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1997-2013. 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.
+ * 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
+ *
+ * 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%
*/
@@ -25,6 +26,11 @@
#endif
#include "sys.h"
#include "assert.h"
+#include "erl_os_monotonic_time_extender.h"
+#include "erl_time.h"
+
+/* Need to look more closely at qpc before use... */
+#define ERTS_DISABLE_USE_OF_QPC_FOR_MONOTONIC_TIME 1
#define LL_LITERAL(X) ERTS_I64_LITERAL(X)
@@ -61,11 +67,6 @@
(epoch) = ((ull.QuadPart / TICKS_PER_SECOND) - EPOCH_JULIAN_DIFF); \
} while(0)
-static SysHrTime wrap = 0;
-static DWORD last_tick_count = 0;
-static erts_smp_mtx_t wrap_lock;
-static ULONGLONG (WINAPI *pGetTickCount64)(void) = NULL;
-
/* Getting timezone information is a heavy operation, so we want to do this
only once */
@@ -76,27 +77,348 @@ static int days_in_month[2][13] = {
{0,31,28,31,30,31,30,31,31,30,31,30,31},
{0,31,29,31,30,31,30,31,31,30,31,30,31}};
-int
-sys_init_time(void)
+#define ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT 10
+
+/*
+ * erts_os_monotonic_time()
+ */
+
+struct sys_time_internal_state_read_only__ {
+ ULONGLONG (WINAPI *pGetTickCount64)(void);
+ BOOL (WINAPI *pQueryPerformanceCounter)(LARGE_INTEGER *);
+ Sint32 pcf;
+ int using_get_tick_count_time_unit;
+};
+
+struct sys_time_internal_state_read_mostly__ {
+ ErtsOsMonotonicTimeExtendState os_mtime_xtnd;
+};
+
+struct sys_time_internal_state_write_freq__ {
+ erts_smp_mtx_t mtime_mtx;
+ ULONGLONG wrap;
+ ULONGLONG last_tick_count;
+};
+
+__declspec(align(ASSUMED_CACHE_LINE_SIZE)) struct {
+ union {
+ struct sys_time_internal_state_read_only__ o;
+ char align__[(((sizeof(struct sys_time_internal_state_read_only__) - 1)
+ / ASSUMED_CACHE_LINE_SIZE) + 1)
+ * ASSUMED_CACHE_LINE_SIZE];
+ } r;
+ union {
+ struct sys_time_internal_state_read_mostly__ m;
+ char align__[(((sizeof(struct sys_time_internal_state_read_mostly__) - 1)
+ / ASSUMED_CACHE_LINE_SIZE) + 1)
+ * ASSUMED_CACHE_LINE_SIZE];
+ } wr;
+ union {
+ struct sys_time_internal_state_write_freq__ f;
+ char align__[(((sizeof(struct sys_time_internal_state_write_freq__) - 1)
+ / ASSUMED_CACHE_LINE_SIZE) + 1)
+ * ASSUMED_CACHE_LINE_SIZE];
+ } w;
+} internal_state;
+
+__declspec(align(ASSUMED_CACHE_LINE_SIZE)) ErtsSysTimeData__ erts_sys_time_data__;
+
+
+static ERTS_INLINE ErtsSystemTime
+SystemTime2MilliSec(SYSTEMTIME *stp)
+{
+ ErtsSystemTime stime;
+ FILETIME ft;
+ ULARGE_INTEGER ull;
+
+ SystemTimeToFileTime(stp, &ft);
+ FILETIME_TO_ULI(ull,ft);
+ /* now in 100 ns units */
+ stime = (ErtsSystemTime) ull.QuadPart;
+ stime -= (((ErtsSystemTime) EPOCH_JULIAN_DIFF)
+ * ((ErtsSystemTime) (10*1000*1000)));
+ stime /= (ErtsSystemTime) (10*1000); /* ms */
+ return stime;
+}
+
+static ErtsMonotonicTime
+os_monotonic_time_qpc(void)
{
+ LARGE_INTEGER pc;
+
+ if (!(*internal_state.r.o.pQueryPerformanceCounter)(&pc))
+ erts_exit(ERTS_ABORT_EXIT, "QueryPerformanceCounter() failed\n");
+
+ return (ErtsMonotonicTime) pc.QuadPart;
+}
+
+static void
+os_times_qpc(ErtsMonotonicTime *mtimep, ErtsSystemTime *stimep)
+{
+ LARGE_INTEGER pc;
+ SYSTEMTIME st;
+ ErtsSystemTime stime;
+ BOOL qpcr;
+
+ qpcr = (*internal_state.r.o.pQueryPerformanceCounter)(&pc);
+ GetSystemTime(&st);
+
+ if (!qpcr)
+ erts_exit(ERTS_ABORT_EXIT, "QueryPerformanceCounter() failed\n");
+
+ *mtimep = (ErtsMonotonicTime) pc.QuadPart;
+
+ stime = SystemTime2MilliSec(&st);
+
+ *stimep = ((ErtsSystemTime)
+ erts_time_unit_conversion((Uint64) stime,
+ (Uint32) 1000,
+ internal_state.r.o.pcf));
+}
+
+static Uint32
+get_tick_count(void)
+{
+ return (Uint32) GetTickCount();
+}
+
+static ErtsMonotonicTime
+os_monotonic_time_gtc32(void)
+{
+ ErtsMonotonicTime mtime;
+ Uint32 ticks = (Uint32) GetTickCount();
+ ERTS_CHK_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ ticks);
+ mtime = ERTS_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ ticks);
+ mtime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ return mtime;
+}
+
+static void
+os_times_gtc32(ErtsMonotonicTime *mtimep, ErtsSystemTime *stimep)
+{
+ SYSTEMTIME st;
+ ErtsSystemTime stime, mtime;
+ Uint32 ticks;
+
+ ticks = (Uint32) GetTickCount();
+ GetSystemTime(&st);
+
+ ERTS_CHK_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ ticks);
+ mtime = ERTS_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ ticks);
+ mtime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ *mtimep = mtime;
+
+ stime = SystemTime2MilliSec(&st);
+ stime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ *stimep = stime;
+
+}
+
+static ErtsMonotonicTime
+os_monotonic_time_gtc64(void)
+{
+ ULONGLONG ticks = (*internal_state.r.o.pGetTickCount64)();
+ ErtsMonotonicTime mtime = (ErtsMonotonicTime) ticks;
+ return mtime << ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+}
+
+static void
+os_times_gtc64(ErtsMonotonicTime *mtimep, ErtsSystemTime *stimep)
+{
+ SYSTEMTIME st;
+ ErtsSystemTime stime, mtime;
+ ULONGLONG ticks;
+
+ ticks = (*internal_state.r.o.pGetTickCount64)();
+ GetSystemTime(&st);
+
+ mtime = (ErtsMonotonicTime) ticks;
+ mtime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ *mtimep = mtime;
+
+ stime = SystemTime2MilliSec(&st);
+ stime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ *stimep = stime;
+}
+
+static ErtsSysHrTime
+sys_hrtime_qpc(void)
+{
+ LARGE_INTEGER pc;
+
+ if (!(*internal_state.r.o.pQueryPerformanceCounter)(&pc))
+ erts_exit(ERTS_ABORT_EXIT, "QueryPerformanceCounter() failed\n");
+
+ ASSERT(pc.QuadPart > 0);
+
+ return (ErtsSysHrTime) erts_time_unit_conversion((Uint64) pc.QuadPart,
+ internal_state.r.o.pcf,
+ (Uint32) 1000*1000*1000);
+}
+
+static ErtsSysHrTime
+sys_hrtime_gtc32(void)
+{
+ ErtsSysHrTime time;
+ Uint32 ticks = (Uint32) GetTickCount();
+ ERTS_CHK_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ tick_count);
+ time = (ErtsSysHrTime) ERTS_EXTEND_OS_MONOTONIC_TIME(&internal_state.wr.m.os_mtime_xtnd,
+ ticks);
+ time *= (ErtsSysHrTime) (1000 * 1000);
+ return time;
+}
+
+static ErtsSysHrTime
+sys_hrtime_gtc64(void)
+{
+ ErtsSysHrTime time = (*internal_state.r.o.pGetTickCount64)();
+ time *= (ErtsSysHrTime) (1000*1000);
+ return time;
+}
+
+/*
+ * Init
+ */
+
+void
+sys_init_time(ErtsSysInitTimeResult *init_resp)
+{
+ ErtsMonotonicTime (*os_mtime_func)(void);
+ void (*os_times_func)(ErtsMonotonicTime *, ErtsSystemTime *);
+ ErtsSysHrTime (*sys_hrtime_func)(void) = NULL;
+ ErtsMonotonicTime time_unit;
char kernel_dll_name[] = "kernel32";
HMODULE module;
+ init_resp->os_monotonic_time_info.clock_id = NULL;
+
module = GetModuleHandle(kernel_dll_name);
- pGetTickCount64 = (module != NULL) ?
- (ULONGLONG (WINAPI *)(void))
- GetProcAddress(module,"GetTickCount64") :
- NULL;
+ if (!module) {
+ get_tick_count:
+ erts_smp_mtx_init(&internal_state.w.f.mtime_mtx,
+ "os_monotonic_time");
+ internal_state.w.f.wrap = 0;
+ internal_state.w.f.last_tick_count = 0;
+
+ init_resp->os_monotonic_time_info.func = "GetTickCount";
+ init_resp->os_monotonic_time_info.locked_use = 0;
+ /* 10-16 ms resolution according to MicroSoft documentation */
+ init_resp->os_monotonic_time_info.resolution = 100; /* 10 ms */
+ time_unit = (ErtsMonotonicTime) 1000;
+ time_unit <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ internal_state.r.o.using_get_tick_count_time_unit = 1;
+ os_mtime_func = os_monotonic_time_gtc32;
+ os_times_func = os_times_gtc32;
+ init_resp->os_monotonic_time_info.extended = 1;
+ erts_init_os_monotonic_time_extender(&internal_state.wr.m.os_mtime_xtnd,
+ get_tick_count,
+ 60*60*24*7); /* Check once a week */
+ if (!sys_hrtime_func)
+ sys_hrtime_func = sys_hrtime_gtc32;
+ }
+ else {
+ int major, minor, build;
+
+ os_version(&major, &minor, &build);
+
+ if (major < 6) {
+
+ get_tick_count64:
+
+ internal_state.r.o.pGetTickCount64
+ = ((ULONGLONG (WINAPI *)(void))
+ GetProcAddress(module, "GetTickCount64"));
+ if (!internal_state.r.o.pGetTickCount64)
+ goto get_tick_count;
+
+ init_resp->os_monotonic_time_info.func = "GetTickCount64";
+ init_resp->os_monotonic_time_info.locked_use = 0;
+ /* 10-16 ms resolution according to MicroSoft documentation */
+ init_resp->os_monotonic_time_info.resolution = 100; /* 10 ms */
+ time_unit = (ErtsMonotonicTime) 1000;
+ time_unit <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ internal_state.r.o.using_get_tick_count_time_unit = 1;
+ os_mtime_func = os_monotonic_time_gtc64;
+ os_times_func = os_times_gtc64;
+ if (!sys_hrtime_func)
+ sys_hrtime_func = sys_hrtime_gtc64;
+ }
+ else { /* Vista or newer... */
+
+ LARGE_INTEGER pf;
+ BOOL (WINAPI *QPF)(LARGE_INTEGER *);
+
+ QPF = ((BOOL (WINAPI *)(LARGE_INTEGER *))
+ GetProcAddress(module, "QueryPerformanceFrequency"));
+ if (!QPF)
+ goto get_tick_count64;
+ if (!(*QPF)(&pf))
+ goto get_tick_count64;
+
+ internal_state.r.o.pQueryPerformanceCounter
+ = ((BOOL (WINAPI *)(LARGE_INTEGER *))
+ GetProcAddress(module, "QueryPerformanceCounter"));
+ if (!internal_state.r.o.pQueryPerformanceCounter)
+ goto get_tick_count64;
+
+ if (pf.QuadPart > (((LONGLONG) 1) << 32))
+ goto get_tick_count64;
+
+ internal_state.r.o.pcf = (Uint32) pf.QuadPart;
+ sys_hrtime_func = sys_hrtime_qpc;
+
+ /*
+ * We only use QueryPerformanceCounter() for
+ * os-monotonic-time if its frequency is equal
+ * to, or larger than GHz in order to ensure
+ * that the user wont be able to observe faulty
+ * order between values retrieved on different threads.
+ */
+ if (pf.QuadPart < (LONGLONG) 1000*1000*1000)
+ goto get_tick_count64;
+
+ if (ERTS_DISABLE_USE_OF_QPC_FOR_MONOTONIC_TIME)
+ goto get_tick_count64;
+
+ init_resp->os_monotonic_time_info.func = "QueryPerformanceCounter";
+ init_resp->os_monotonic_time_info.locked_use = 0;
+ time_unit = (ErtsMonotonicTime) pf.QuadPart;
+ internal_state.r.o.using_get_tick_count_time_unit = 0;
+ init_resp->os_monotonic_time_info.resolution = time_unit;
+ os_mtime_func = os_monotonic_time_qpc;
+ os_times_func = os_times_qpc;
+ }
+ }
+
+ erts_sys_time_data__.r.o.os_monotonic_time = os_mtime_func;
+ erts_sys_time_data__.r.o.os_times = os_times_func;
+ init_resp->os_monotonic_time_unit = time_unit;
+ init_resp->have_os_monotonic_time = 1;
+ init_resp->have_corrected_os_monotonic_time = 0;
+ init_resp->sys_clock_resolution = 1;
+
+ init_resp->os_system_time_info.func = "GetSystemTime";
+ init_resp->os_system_time_info.clock_id = NULL;
+ init_resp->os_system_time_info.resolution = 100;
+ init_resp->os_system_time_info.locked_use = 0;
if(GetTimeZoneInformation(&static_tzi) &&
static_tzi.StandardDate.wMonth != 0 &&
static_tzi.DaylightDate.wMonth != 0) {
have_static_tzi = 1;
}
+}
- erts_smp_mtx_init(&wrap_lock, "sys_gethrtime");
-
- return 1;
+void
+erts_late_sys_init_time(void)
+{
+ if (erts_sys_time_data__.r.o.os_monotonic_time == os_monotonic_time_gtc32)
+ erts_late_init_os_monotonic_time_extender(&internal_state.wr.m.os_mtime_xtnd);
}
/* Returns a switchtimes for DST as UTC filetimes given data from a
@@ -377,41 +699,27 @@ sys_gettimeofday(SysTimeval *tv)
EPOCH_JULIAN_DIFF);
}
-extern int erts_initialized;
-SysHrTime
-sys_gethrtime(void)
+ErtsSystemTime
+erts_os_system_time(void)
{
- if (pGetTickCount64 != NULL) {
- return ((SysHrTime) pGetTickCount64()) * LL_LITERAL(1000000);
- } else {
- DWORD ticks;
- SysHrTime res;
- erts_smp_mtx_lock(&wrap_lock);
- ticks = (SysHrTime) (GetTickCount() & 0x7FFFFFFF);
- if (ticks < (SysHrTime) last_tick_count) {
- /* Detect a race that should no longer be here... */
- if ((((SysHrTime) last_tick_count) - ((SysHrTime) ticks)) > 1000) {
- wrap += LL_LITERAL(1) << 31;
- } else {
- /*
- * XXX Debug: Violates locking order, remove all this,
- * after testing!
- */
- erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
- erts_dsprintf(dsbufp, "Did not wrap when last_tick %d "
- "and tick %d",
- last_tick_count, ticks);
- erts_send_error_to_logger_nogl(dsbufp);
- ticks = last_tick_count;
- }
- }
- last_tick_count = ticks;
- res = ((((LONGLONG) ticks) + wrap) * LL_LITERAL(1000000));
- erts_smp_mtx_unlock(&wrap_lock);
- return res;
+ SYSTEMTIME st;
+ ErtsSystemTime stime;
+
+ GetSystemTime(&st);
+ stime = SystemTime2MilliSec(&st);
+
+ if (internal_state.r.o.using_get_tick_count_time_unit) {
+ stime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ return stime;
}
+
+ return ((ErtsSystemTime)
+ erts_time_unit_conversion((Uint64) stime,
+ (Uint32) 1000,
+ internal_state.r.o.pcf));
}
+
clock_t
sys_times(SysTimes *buffer) {
clock_t kernel_ticks = (GetTickCount() /
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 20:00:07 +0000