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kern: implement SvcSleepThread for ns > 0

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This commit is contained in:
Michael Scire
2020-07-10 23:30:15 -07:00
parent f37eda6b86
commit ca9327a120
5 changed files with 79 additions and 3 deletions
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35
libraries/libmesosphere/source/svc/kern_svc_thread.cpp
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@@ -86,6 +86,37 @@ namespace ams::kern::svc {
MESOSPHERE_PANIC("Process survived call to exit");
}
void SleepThread(int64_t ns) {
/* When the input tick is positive, sleep. */
if (AMS_LIKELY(ns > 0)) {
/* Convert the timeout from nanoseconds to ticks. */
/* NOTE: Nintendo does not use this conversion logic in WaitSynchronization... */
s64 timeout;
const ams::svc::Tick offset_tick(TimeSpan::FromNanoSeconds(ns));
if (AMS_LIKELY(offset_tick > 0)) {
timeout = KHardwareTimer::GetTick() + offset_tick + 2;
if (AMS_UNLIKELY(timeout <= 0)) {
timeout = std::numeric_limits<s64>::max();
}
} else {
timeout = std::numeric_limits<s64>::max();
}
/* Sleep. */
/* NOTE: Nintendo does not check the result of this sleep. */
GetCurrentThread().Sleep(timeout);
} else if (ns == ams::svc::YieldType_WithoutCoreMigration) {
KScheduler::YieldWithoutCoreMigration();
} else if (ns == ams::svc::YieldType_WithCoreMigration) {
KScheduler::YieldWithCoreMigration();
} else if (ns == ams::svc::YieldType_ToAnyThread) {
KScheduler::YieldToAnyThread();
} else {
/* Nintendo does nothing at all if an otherwise invalid value is passed. */
}
}
Result GetThreadPriority(int32_t *out_priority, ams::svc::Handle thread_handle) {
/* Get the thread from its handle. */
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
@@ -123,7 +154,7 @@ namespace ams::kern::svc {
}
void SleepThread64(int64_t ns) {
MESOSPHERE_PANIC("Stubbed SvcSleepThread64 was called.");
return SleepThread(ns);
}
Result GetThreadPriority64(int32_t *out_priority, ams::svc::Handle thread_handle) {
@@ -177,7 +208,7 @@ namespace ams::kern::svc {
}
void SleepThread64From32(int64_t ns) {
MESOSPHERE_PANIC("Stubbed SvcSleepThread64From32 was called.");
return SleepThread(ns);
}
Result GetThreadPriority64From32(int32_t *out_priority, ams::svc::Handle thread_handle) {