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timeout: replace Duration operators by methods

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void += (Microseconds) -> void add(Microseconds)
void += (Milliseconds) -> void add(Milliseconds)
bool < (Duration)      -> bool less_than(Duration)

Issue #2581
This commit is contained in:
Martin Stein 2017-11-17 16:00:24 +01:00 committed by Christian Helmuth
parent 26bcd439f7
commit e87f63944f
8 changed files with 54 additions and 54 deletions
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6
repos/base/lib/symbols/ld
View File

@ -332,8 +332,8 @@ _ZN6Genode7cap_mapEv T
_ZN6Genode7vprintfEPKcP13__va_list_tag T _ZN6Genode7vprintfEPKcP13__va_list_tag T
_ZN6Genode7vprintfEPKcPc T _ZN6Genode7vprintfEPKcPc T
_ZN6Genode7vprintfEPKcSt9__va_list T _ZN6Genode7vprintfEPKcSt9__va_list T
_ZN6Genode8DurationpLENS_12MicrosecondsE T _ZN6Genode8Duration3addENS_12MicrosecondsE T
_ZN6Genode8DurationpLENS_12MillisecondsE T _ZN6Genode8Duration3addENS_12MillisecondsE T
_ZN6Genode8ipc_callENS_17Native_capabilityERNS_11Msgbuf_baseES2_m T _ZN6Genode8ipc_callENS_17Native_capabilityERNS_11Msgbuf_baseES2_m T
_ZN6Genode9ipc_replyENS_17Native_capabilityENS_18Rpc_exception_codeERNS_11Msgbuf_baseE T _ZN6Genode9ipc_replyENS_17Native_capabilityENS_18Rpc_exception_codeERNS_11Msgbuf_baseE T
_ZN9Component10stack_sizeEv T _ZN9Component10stack_sizeEv T
@ -360,7 +360,7 @@ _ZNK6Genode6Thread10stack_baseEv T
_ZNK6Genode6Thread4nameEv T _ZNK6Genode6Thread4nameEv T
_ZNK6Genode6Thread9stack_topEv T _ZNK6Genode6Thread9stack_topEv T
_ZNK6Genode8Duration17trunc_to_plain_usEv T _ZNK6Genode8Duration17trunc_to_plain_usEv T
_ZNK6Genode8DurationltERS0_ T _ZNK6Genode8Duration9less_thanERS0_ T
_ZNKSt13bad_exception4whatEv T _ZNKSt13bad_exception4whatEv T
_ZNKSt9exception4whatEv T _ZNKSt9exception4whatEv T
_ZNSt13bad_exceptionD0Ev T _ZNSt13bad_exceptionD0Ev T

10
repos/os/include/os/duration.h
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@ -71,13 +71,13 @@ struct Genode::Duration
public: public:
void operator += (Microseconds us); void add(Microseconds us);
void operator += (Milliseconds ms); void add(Milliseconds ms);
bool operator < (Duration &other) const; bool less_than(Duration &other) const;
explicit Duration(Milliseconds ms) { *this += ms; } explicit Duration(Milliseconds ms) { add(ms); }
explicit Duration(Microseconds us) { *this += us; } explicit Duration(Microseconds us) { add(us); }
Microseconds trunc_to_plain_us() const; Microseconds trunc_to_plain_us() const;
}; };

2
repos/os/src/drivers/timer/hw/time_source.cc
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@ -61,7 +61,7 @@ Duration Timer::Time_source::curr_time()
if (timeout_age_us > _last_timeout_age_us) { if (timeout_age_us > _last_timeout_age_us) {
/* increment time by the difference since the last update */ /* increment time by the difference since the last update */
_curr_time += Microseconds(timeout_age_us - _last_timeout_age_us); _curr_time.add(Microseconds(timeout_age_us - _last_timeout_age_us));
_last_timeout_age_us = timeout_age_us; _last_timeout_age_us = timeout_age_us;
} }
return _curr_time; return _curr_time;

4
repos/os/src/drivers/timer/nova/time_source.h
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@ -77,8 +77,8 @@ class Timer::Time_source : public Threaded_time_source
/* update in irq context or if update rate is below 4000 irq/s */ /* update in irq context or if update rate is below 4000 irq/s */
if (_irq || diff.value > 250) { if (_irq || diff.value > 250) {
_curr_time += diff; _curr_time.add(diff);
_tsc_last = curr_tsc; _tsc_last = curr_tsc;
} }
return _curr_time; return _curr_time;

6
repos/os/src/lib/timeout/duration.cc
View File

@ -40,7 +40,7 @@ void Duration::_add_us_less_than_an_hour(unsigned long us)
} }
void Duration::operator += (Microseconds us) void Duration::add(Microseconds us)
{ {
/* filter out hours if any */ /* filter out hours if any */
if (us.value >= (unsigned long)US_PER_HOUR) { if (us.value >= (unsigned long)US_PER_HOUR) {
@ -53,7 +53,7 @@ void Duration::operator += (Microseconds us)
} }
void Duration::operator += (Milliseconds ms) void Duration::add(Milliseconds ms)
{ {
/* filter out hours if any */ /* filter out hours if any */
if (ms.value >= MS_PER_HOUR) { if (ms.value >= MS_PER_HOUR) {
@ -66,7 +66,7 @@ void Duration::operator += (Milliseconds ms)
} }
bool Duration::operator < (Duration &other) const bool Duration::less_than(Duration &other) const
{ {
if (_hours != other._hours) { if (_hours != other._hours) {
return _hours < other._hours; } return _hours < other._hours; }

2
repos/os/src/lib/timeout/timer_connection.cc
View File

@ -78,7 +78,7 @@ Duration Timer::Connection::_update_interpolated_time(Duration &interpolated_tim
* jump back but to freeze at the higher value until the new * jump back but to freeze at the higher value until the new
* interpolation has caught up. * interpolation has caught up.
*/ */
if (_interpolated_time < interpolated_time) { if (_interpolated_time.less_than(interpolated_time)) {
_interpolated_time = interpolated_time; } _interpolated_time = interpolated_time; }
return _interpolated_time; return _interpolated_time;

10
repos/os/src/lib/timeout/timer_connection_time.cc
View File

@ -79,9 +79,9 @@ void Timer::Connection::_update_real_time()
Timestamp ts_diff = ts - _ts; Timestamp ts_diff = ts - _ts;
/* overwrite timestamp, time, and real time member */ /* overwrite timestamp, time, and real time member */
_us = us; _us = us;
_ts = ts; _ts = ts;
_real_time += Microseconds(us_diff); _real_time.add(Microseconds(us_diff));
/* /*
@ -198,12 +198,12 @@ Duration Timer::Connection::curr_time()
unsigned long const us_diff = _ts_to_us_ratio(ts_diff, us_to_ts_factor, unsigned long const us_diff = _ts_to_us_ratio(ts_diff, us_to_ts_factor,
us_to_ts_factor_shift); us_to_ts_factor_shift);
interpolated_time += Microseconds(us_diff); interpolated_time.add(Microseconds(us_diff));
} else { } else {
/* use remote timer instead of timestamps */ /* use remote timer instead of timestamps */
interpolated_time += Microseconds(elapsed_us() - _us); interpolated_time.add(Microseconds(elapsed_us() - _us));
lock_guard.destruct(); lock_guard.destruct();
} }

68
repos/os/src/test/timeout/main.cc
View File

@ -121,48 +121,48 @@ struct Duration_test : Test
Duration max_minus_1 (Microseconds(~0UL - 1)); Duration max_minus_1 (Microseconds(~0UL - 1));
/* all must be greater than the minimum */ /* all must be greater than the minimum */
if (min_plus_1 < min) { error(__func__, ":", __LINE__); error_cnt++; } if (min_plus_1 .less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
if (hour_minus_1 < min) { error(__func__, ":", __LINE__); error_cnt++; } if (hour_minus_1.less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
if (hour < min) { error(__func__, ":", __LINE__); error_cnt++; } if (hour .less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
if (hour_plus_1 < min) { error(__func__, ":", __LINE__); error_cnt++; } if (hour_plus_1 .less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < min) { error(__func__, ":", __LINE__); error_cnt++; } if (max .less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
if (max_minus_1 < min) { error(__func__, ":", __LINE__); error_cnt++; } if (max_minus_1 .less_than(min)) { error(__func__, ":", __LINE__); error_cnt++; }
/* all must be less than the maximum */ /* all must be less than the maximum */
if (max < min ) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(min )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < min_plus_1 ) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(min_plus_1 )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < hour_minus_1) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(hour_minus_1)) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < hour ) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(hour )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < hour_plus_1 ) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(hour_plus_1 )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < max_minus_1 ) { error(__func__, ":", __LINE__); error_cnt++; } if (max.less_than(max_minus_1 )) { error(__func__, ":", __LINE__); error_cnt++; }
/* consistency around one hour */ /* consistency around one hour */
if (hour < hour_minus_1) { error(__func__, ":", __LINE__); error_cnt++; } if (hour .less_than(hour_minus_1)) { error(__func__, ":", __LINE__); error_cnt++; }
if (hour_plus_1 < hour ) { error(__func__, ":", __LINE__); error_cnt++; } if (hour_plus_1.less_than(hour )) { error(__func__, ":", __LINE__); error_cnt++; }
} }
/* consistency when we double the values */ /* consistency when we double the values */
Duration two_hours = hour; Duration two_hours = hour;
Duration two_max = max; Duration two_max = max;
two_hours += Microseconds((unsigned long)US_PER_HOUR); two_hours.add(Microseconds((unsigned long)US_PER_HOUR));
two_max += Microseconds(~0UL); two_max .add(Microseconds(~0UL));
if (two_hours < hour) { error(__func__, ":", __LINE__); error_cnt++; } if (two_hours.less_than(hour)) { error(__func__, ":", __LINE__); error_cnt++; }
if (two_max < max) { error(__func__, ":", __LINE__); error_cnt++; } if (two_max .less_than(max )) { error(__func__, ":", __LINE__); error_cnt++; }
/* create durations near corner cases by increasing after construction */ /* create durations near corner cases by increasing after construction */
Duration hour_minus_1(Microseconds((unsigned long)US_PER_HOUR - 2)); Duration hour_minus_1(Microseconds((unsigned long)US_PER_HOUR - 2));
Duration hour_plus_1 (Microseconds((unsigned long)US_PER_HOUR)); Duration hour_plus_1 (Microseconds((unsigned long)US_PER_HOUR));
Duration max_minus_1 (Microseconds(~0UL - 2)); Duration max_minus_1 (Microseconds(~0UL - 2));
Duration max_plus_1 (Microseconds(~0UL)); Duration max_plus_1 (Microseconds(~0UL));
hour_minus_1 += Microseconds(1); hour_minus_1.add(Microseconds(1));
hour_plus_1 += Microseconds(1); hour_plus_1 .add(Microseconds(1));
max_minus_1 += Microseconds(1); max_minus_1 .add(Microseconds(1));
max_plus_1 += Microseconds(1); max_plus_1 .add(Microseconds(1));
/* consistency around corner cases */ /* consistency around corner cases */
if (hour < hour_minus_1) { error(__func__, ":", __LINE__); error_cnt++; } if (hour .less_than(hour_minus_1)) { error(__func__, ":", __LINE__); error_cnt++; }
if (hour_plus_1 < hour ) { error(__func__, ":", __LINE__); error_cnt++; } if (hour_plus_1.less_than(hour )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max < max_minus_1 ) { error(__func__, ":", __LINE__); error_cnt++; } if (max .less_than(max_minus_1 )) { error(__func__, ":", __LINE__); error_cnt++; }
if (max_plus_1 < max ) { error(__func__, ":", __LINE__); error_cnt++; } if (max_plus_1 .less_than(max )) { error(__func__, ":", __LINE__); error_cnt++; }
log("tests near maximum duration value (may take a while)"); log("tests near maximum duration value (may take a while)");
@ -200,9 +200,9 @@ struct Duration_test : Test
while (1) { while (1) {
for (; duration_id < NR; duration_id++) { for (; duration_id < NR; duration_id++) {
if (nr_left > 4) { duration[duration_id] += Milliseconds(~0UL / (step + 1)); } if (nr_left > 4) { duration[duration_id].add(Milliseconds(~0UL / (step + 1))); }
else if (nr_left == 4) { duration[duration_id] += Milliseconds(1000UL); } else if (nr_left == 4) { duration[duration_id].add(Milliseconds(1000UL)); }
else if (nr_left < 4) { duration[duration_id] += Microseconds(1UL); } else if (nr_left < 4) { duration[duration_id].add(Microseconds(1UL)); }
} }
duration_id = step; duration_id = step;
} }
@ -217,18 +217,18 @@ struct Duration_test : Test
* than the maximum possible duration value. So, test consistency at * than the maximum possible duration value. So, test consistency at
* this corner case. * this corner case.
*/ */
duration[NR - 2] += Microseconds(1); duration[NR - 2].add(Microseconds(1));
if (duration[NR - 2] < duration[NR - 1]) { error(__func__, ":", __LINE__); error_cnt++; } if (duration[NR - 2].less_than(duration[NR - 1])) { error(__func__, ":", __LINE__); error_cnt++; }
if (duration[NR - 1] < duration[NR - 2]) ; else { error(__func__, ":", __LINE__); error_cnt++; } if (duration[NR - 1].less_than(duration[NR - 2])) ; else { error(__func__, ":", __LINE__); error_cnt++; }
/* test if we really had the expected durations */ /* test if we really had the expected durations */
try { try {
duration[NR - 2] += Microseconds(1); duration[NR - 2].add(Microseconds(1));
error(__func__, ":", __LINE__); error_cnt++; error(__func__, ":", __LINE__); error_cnt++;
} }
catch (Duration::Overflow) { } catch (Duration::Overflow) { }
try { try {
duration[NR - 1] += Microseconds(2); duration[NR - 1].add(Microseconds(2));
error(__func__, ":", __LINE__); error_cnt++; error(__func__, ":", __LINE__); error_cnt++;
} }
catch (Duration::Overflow) { } catch (Duration::Overflow) { }