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cpp-libs
Actor Framework
Commits
ec9aebc4
Commit
ec9aebc4
authored
Nov 14, 2014
by
Joseph Noir
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Add wait until based on new chrono header
parent
9fcdc799
Changes
2
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2 changed files
with
40 additions
and
40 deletions
+40
-40
libcaf_core/caf/condition_variable.hpp
libcaf_core/caf/condition_variable.hpp
+27
-40
libcaf_core/src/condition_variable.cpp
libcaf_core/src/condition_variable.cpp
+13
-0
No files found.
libcaf_core/caf/condition_variable.hpp
View file @
ec9aebc4
...
...
@@ -24,10 +24,11 @@
#ifdef __RIOTBUILD_FLAG
#include <chrono>
#include "mutex.hpp"
#include "caf/chrono.hpp"
extern
"C"
{
#include "sched.h"
#include "vtimer.h"
...
...
@@ -53,12 +54,10 @@ class condition_variable {
void
wait
(
unique_lock
<
mutex
>&
lock
)
noexcept
;
template
<
class
Predicate
>
void
wait
(
unique_lock
<
mutex
>&
lock
,
Predicate
pred
);
template
<
class
Clock
,
class
Duration
>
cv_status
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
std
::
chrono
::
time_point
<
Clock
,
Duration
>&
timeout_time
);
template
<
class
Clock
,
class
Duration
,
class
Predicate
>
bool
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
std
::
chrono
::
time_point
<
Clock
,
Duration
>&
timeout_time
,
const
time_point
&
timeout_time
);
template
<
class
Predicate
>
bool
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
time_point
&
timeout_time
,
Predicate
pred
);
template
<
class
Rep
,
class
Period
>
cv_status
wait_for
(
unique_lock
<
mutex
>&
lock
,
...
...
@@ -94,19 +93,10 @@ void condition_variable::wait(unique_lock<mutex>& lock, Predicate pred) {
}
}
template
<
class
Clock
,
class
Duration
>
cv_status
condition_variable
::
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
std
::
chrono
::
time_point
<
Clock
,
Duration
>&
timeout_time
)
{
wait_for
(
lock
,
timeout_time
-
Clock
::
now
());
return
Clock
::
now
()
<
timeout_time
?
cv_status
::
no_timeout
:
cv_status
::
timeout
;
}
template
<
class
Clock
,
class
Duration
,
class
Predicate
>
template
<
class
Predicate
>
bool
condition_variable
::
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
std
::
chrono
::
time_point
<
Clock
,
Duration
>
&
timeout_time
,
Predicate
pred
)
{
const
time_point
&
timeout_time
,
Predicate
pred
)
{
while
(
!
pred
())
{
if
(
wait_until
(
lock
,
timeout_time
)
==
cv_status
::
timeout
)
{
return
pred
();
...
...
@@ -118,27 +108,24 @@ bool condition_variable::wait_until(unique_lock<mutex>& lock,
template
<
class
Rep
,
class
Period
>
cv_status
condition_variable
::
wait_for
(
unique_lock
<
mutex
>&
lock
,
const
std
::
chrono
::
duration
<
Rep
,
Period
>&
timeout_duration
)
{
using
namespace
std
::
chrono
;
using
std
::
chrono
::
duration
;
if
(
timeout_duration
<=
timeout_duration
.
zero
())
{
return
cv_status
::
timeout
;
}
timex_t
timeout
,
before
,
after
;
auto
s
=
duration_cast
<
seconds
>
(
timeout_duration
);
timeout
.
seconds
=
s
.
count
();
timeout
.
microseconds
=
(
duration_cast
<
microseconds
>
(
timeout_duration
)
-
s
).
count
();
vtimer_now
(
&
before
);
vtimer_t
timer
;
vtimer_set_wakeup
(
&
timer
,
timeout
,
sched_active_pid
);
wait
(
lock
);
vtimer_now
(
&
after
);
vtimer_remove
(
&
timer
);
auto
passed
=
timex_sub
(
after
,
before
);
if
(
passed
.
seconds
>=
timeout
.
seconds
&&
passed
.
microseconds
>=
timeout
.
microseconds
)
{
return
cv_status
::
timeout
;
}
else
{
return
cv_status
::
no_timeout
;
}
using
namespace
std
::
chrono
;
using
std
::
chrono
::
duration
;
if
(
timeout_duration
<=
timeout_duration
.
zero
())
{
return
cv_status
::
timeout
;
}
timex_t
timeout
,
before
,
after
;
auto
s
=
duration_cast
<
seconds
>
(
timeout_duration
);
timeout
.
seconds
=
s
.
count
();
timeout
.
microseconds
=
(
duration_cast
<
microseconds
>
(
timeout_duration
)
-
s
).
count
();
vtimer_now
(
&
before
);
vtimer_t
timer
;
vtimer_set_wakeup
(
&
timer
,
timeout
,
sched_active_pid
);
wait
(
lock
);
vtimer_now
(
&
after
);
vtimer_remove
(
&
timer
);
auto
passed
=
timex_sub
(
after
,
before
);
auto
cmp
=
timex_cmp
(
passed
,
timeout
);
return
cmp
<
1
?
cv_status
::
no_timeout
:
cv_status
::
timeout
;
}
template
<
class
Rep
,
class
Period
,
class
Predicate
>
...
...
libcaf_core/src/condition_variable.cpp
View file @
ec9aebc4
...
...
@@ -103,4 +103,17 @@ void condition_variable::wait(unique_lock<mutex>& lock) noexcept {
mutex_lock
(
lock
.
mutex
()
->
native_handle
());
}
cv_status
condition_variable
::
wait_until
(
unique_lock
<
mutex
>&
lock
,
const
time_point
&
timeout_time
)
{
vtimer_t
timer
;
vtimer_set_wakeup_timepoint
(
&
timer
,
timeout_time
.
native_handle
(),
sched_active_pid
);
wait
(
lock
);
timex_t
after
;
vtimer_now
(
&
after
);
vtimer_remove
(
&
timer
);
auto
cmp
=
timex_cmp
(
after
,
timeout_time
.
native_handle
());
return
cmp
<
1
?
cv_status
::
no_timeout
:
cv_status
::
timeout
;
}
}
// namespace caf
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