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author | bunnei <bunneidev@gmail.com> | 2017-01-07 04:01:33 +0100 |
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committer | GitHub <noreply@github.com> | 2017-01-07 04:01:33 +0100 |
commit | b5eac78b43c254b20ef88386b4fdaf0bb6c29fe2 (patch) | |
tree | b5ec9f4c3d520745e15d249e9a102ddefbb22b27 /src/core/hle/svc.cpp | |
parent | Merge pull request #2396 from Subv/sema_acquire (diff) | |
parent | Kernel: Don't attempt to yield execution in SleepThread(0) if there are no available threads to run. (diff) | |
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Diffstat (limited to 'src/core/hle/svc.cpp')
-rw-r--r-- | src/core/hle/svc.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp index 843d697ec..2b242ff98 100644 --- a/src/core/hle/svc.cpp +++ b/src/core/hle/svc.cpp @@ -849,6 +849,11 @@ static ResultCode CancelTimer(Kernel::Handle handle) { static void SleepThread(s64 nanoseconds) { LOG_TRACE(Kernel_SVC, "called nanoseconds=%lld", nanoseconds); + // Don't attempt to yield execution if there are no available threads to run, + // this way we avoid a useless reschedule to the idle thread. + if (nanoseconds == 0 && !Kernel::HaveReadyThreads()) + return; + // Sleep current thread and check for next thread to schedule Kernel::WaitCurrentThread_Sleep(); |