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SVC: Fixed WaitSynchronization with multiple handles when at least one of them is ready.

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Subv 2018-01-09 11:53:50 -05:00
parent 4236799832
commit 8d9250fa70
2 changed files with 29 additions and 3 deletions
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25
src/core/hle/kernel/svc.cpp
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@ -166,7 +166,8 @@ static ResultCode WaitSynchronization1(
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronization(VAddr handles_address, u64 handle_count, s64 nano_seconds) {
static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64 handle_count,
s64 nano_seconds) {
LOG_TRACE(Kernel_SVC, "called handles_address=0x%llx, handle_count=%d, nano_seconds=%d",
handles_address, handle_count, nano_seconds);
@ -177,6 +178,8 @@ static ResultCode WaitSynchronization(VAddr handles_address, u64 handle_count, s
if (handle_count < 0)
return ERR_OUT_OF_RANGE;
auto thread = GetCurrentThread();
using ObjectPtr = SharedPtr<WaitObject>;
std::vector<ObjectPtr> objects(handle_count);
@ -188,6 +191,26 @@ static ResultCode WaitSynchronization(VAddr handles_address, u64 handle_count, s
objects[i] = object;
}
// Find the first object that is acquirable in the provided list of objects
auto itr = std::find_if(objects.begin(), objects.end(), [thread](const ObjectPtr& object) {
return !object->ShouldWait(thread);
});
if (itr != objects.end()) {
// We found a ready object, acquire it and set the result value
WaitObject* object = itr->get();
object->Acquire(thread);
*index = static_cast<s32>(std::distance(objects.begin(), itr));
return RESULT_SUCCESS;
}
// No objects were ready to be acquired, prepare to suspend the thread.
// If a timeout value of 0 was provided, just return the Timeout error code instead of
// suspending the thread.
if (nano_seconds == 0)
return RESULT_TIMEOUT;
// Just implement for a single handle for now
ASSERT(handle_count == 1);
return WaitSynchronization1(objects[0], GetCurrentThread(), nano_seconds);

7
src/core/hle/kernel/svc_wrap.h
View file

@ -80,9 +80,12 @@ void SvcWrap() {
FuncReturn(func(PARAM(0), PARAM(1), PARAM(2)).raw);
}
template <ResultCode func(u64, u64, s64)>
template <ResultCode func(u32*, u64, u64, s64)>
void SvcWrap() {
FuncReturn(func(PARAM(1), PARAM(2), (s64)PARAM(3)).raw);
u32 param_1 = 0;
ResultCode retval = func(&param_1, PARAM(1), (u32)(PARAM(2) & 0xFFFFFFFF), (s64)PARAM(3));
Core::CPU().SetReg(1, param_1);
FuncReturn(retval.raw);
}
template <ResultCode func(u64, u64, u32, s64)>