dburr/eden
1
0
Fork 0
mirror of https://git.eden-emu.dev/eden-emu/eden.git synced 2025-07-22 13:55:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Kernel: Don't attempt to yield execution in SleepThread(0) if there are no available threads to run.

Browse source 
With this we avoid an useless temporary deschedule of the current thread.
This commit is contained in:
Subv 2017-01-05 14:14:22 -05:00
parent 35aea29a77
commit 6c6117868a
3 changed files with 14 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/core/hle/svc.cpp
View file

@ -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();