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Diffstat (limited to 'src/core/hle/kernel/address_arbiter.cpp')
-rw-r--r--src/core/hle/kernel/address_arbiter.cpp25
1 files changed, 17 insertions, 8 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 195286422..5c3c47acf 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -45,30 +45,32 @@ ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address,
// Wait current thread (acquire the arbiter)...
case ArbitrationType::WaitIfLessThan:
- if ((s32)Memory::Read32(address) <= value) {
+ if ((s32)Memory::Read32(address) < value) {
Kernel::WaitCurrentThread_ArbitrateAddress(address);
}
break;
case ArbitrationType::WaitIfLessThanWithTimeout:
- if ((s32)Memory::Read32(address) <= value) {
+ if ((s32)Memory::Read32(address) < value) {
Kernel::WaitCurrentThread_ArbitrateAddress(address);
GetCurrentThread()->WakeAfterDelay(nanoseconds);
}
break;
case ArbitrationType::DecrementAndWaitIfLessThan:
{
- s32 memory_value = Memory::Read32(address) - 1;
- Memory::Write32(address, memory_value);
- if (memory_value <= value) {
+ s32 memory_value = Memory::Read32(address);
+ if (memory_value < value) {
+ // Only change the memory value if the thread should wait
+ Memory::Write32(address, (s32)memory_value - 1);
Kernel::WaitCurrentThread_ArbitrateAddress(address);
}
break;
}
case ArbitrationType::DecrementAndWaitIfLessThanWithTimeout:
{
- s32 memory_value = Memory::Read32(address) - 1;
- Memory::Write32(address, memory_value);
- if (memory_value <= value) {
+ s32 memory_value = Memory::Read32(address);
+ if (memory_value < value) {
+ // Only change the memory value if the thread should wait
+ Memory::Write32(address, (s32)memory_value - 1);
Kernel::WaitCurrentThread_ArbitrateAddress(address);
GetCurrentThread()->WakeAfterDelay(nanoseconds);
}
@@ -82,6 +84,13 @@ ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address,
HLE::Reschedule(__func__);
+ // The calls that use a timeout seem to always return a Timeout error even if they did not put the thread to sleep
+ if (type == ArbitrationType::WaitIfLessThanWithTimeout ||
+ type == ArbitrationType::DecrementAndWaitIfLessThanWithTimeout) {
+
+ return ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
+ ErrorSummary::StatusChanged, ErrorLevel::Info);
+ }
return RESULT_SUCCESS;
}