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Merge pull request #9444 from german77/free_threads 

kernel: process: Implement GetFreeThreadCount
This commit is contained in:
liamwhite 2022-12-16 11:57:42 -05:00 committed by GitHub
parent 6bc1a477bf 20cbf6f3db
commit b541a35e27
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 64 additions and 80 deletions
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11
src/core/hle/kernel/k_process.cpp
View File

@ -285,6 +285,17 @@ void KProcess::UnregisterThread(KThread* thread) {
thread_list.remove(thread); thread_list.remove(thread);
} }
u64 KProcess::GetFreeThreadCount() const {
if (resource_limit != nullptr) {
const auto current_value =
resource_limit->GetCurrentValue(LimitableResource::ThreadCountMax);
const auto limit_value = resource_limit->GetLimitValue(LimitableResource::ThreadCountMax);
return limit_value - current_value;
} else {
return 0;
}
}
Result KProcess::Reset() { Result KProcess::Reset() {
// Lock the process and the scheduler. // Lock the process and the scheduler.
KScopedLightLock lk(state_lock); KScopedLightLock lk(state_lock);

3
src/core/hle/kernel/k_process.h
View File

@ -304,6 +304,9 @@ public:
/// from this process' thread list. /// from this process' thread list.
void UnregisterThread(KThread* thread); void UnregisterThread(KThread* thread);
/// Retrieves the number of available threads for this process.
u64 GetFreeThreadCount() const;
/// Clears the signaled state of the process if and only if it's signaled. /// Clears the signaled state of the process if and only if it's signaled.
/// ///
/// @pre The process must not be already terminated. If this is called on a /// @pre The process must not be already terminated. If this is called on a

130
src/core/hle/kernel/svc.cpp
View File

@ -784,63 +784,29 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id, LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
info_sub_id, handle); info_sub_id, handle);
enum class GetInfoType : u64 { const auto info_id_type = static_cast<InfoType>(info_id);
// 1.0.0+
AllowedCPUCoreMask = 0,
AllowedThreadPriorityMask = 1,
MapRegionBaseAddr = 2,
MapRegionSize = 3,
HeapRegionBaseAddr = 4,
HeapRegionSize = 5,
TotalPhysicalMemoryAvailable = 6,
TotalPhysicalMemoryUsed = 7,
IsCurrentProcessBeingDebugged = 8,
RegisterResourceLimit = 9,
IdleTickCount = 10,
RandomEntropy = 11,
ThreadTickCount = 0xF0000002,
// 2.0.0+
ASLRRegionBaseAddr = 12,
ASLRRegionSize = 13,
StackRegionBaseAddr = 14,
StackRegionSize = 15,
// 3.0.0+
SystemResourceSize = 16,
SystemResourceUsage = 17,
TitleId = 18,
// 4.0.0+
PrivilegedProcessId = 19,
// 5.0.0+
UserExceptionContextAddr = 20,
// 6.0.0+
TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
TotalPhysicalMemoryUsedWithoutSystemResource = 22,
// Homebrew only
MesosphereCurrentProcess = 65001,
};
const auto info_id_type = static_cast<GetInfoType>(info_id);
switch (info_id_type) { switch (info_id_type) {
case GetInfoType::AllowedCPUCoreMask: case InfoType::CoreMask:
case GetInfoType::AllowedThreadPriorityMask: case InfoType::PriorityMask:
case GetInfoType::MapRegionBaseAddr: case InfoType::AliasRegionAddress:
case GetInfoType::MapRegionSize: case InfoType::AliasRegionSize:
case GetInfoType::HeapRegionBaseAddr: case InfoType::HeapRegionAddress:
case GetInfoType::HeapRegionSize: case InfoType::HeapRegionSize:
case GetInfoType::ASLRRegionBaseAddr: case InfoType::AslrRegionAddress:
case GetInfoType::ASLRRegionSize: case InfoType::AslrRegionSize:
case GetInfoType::StackRegionBaseAddr: case InfoType::StackRegionAddress:
case GetInfoType::StackRegionSize: case InfoType::StackRegionSize:
case GetInfoType::TotalPhysicalMemoryAvailable: case InfoType::TotalMemorySize:
case GetInfoType::TotalPhysicalMemoryUsed: case InfoType::UsedMemorySize:
case GetInfoType::SystemResourceSize: case InfoType::SystemResourceSizeTotal:
case GetInfoType::SystemResourceUsage: case InfoType::SystemResourceSizeUsed:
case GetInfoType::TitleId: case InfoType::ProgramId:
case GetInfoType::UserExceptionContextAddr: case InfoType::UserExceptionContextAddress:
case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource: case InfoType::TotalNonSystemMemorySize:
case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: { case InfoType::UsedNonSystemMemorySize:
case InfoType::IsApplication:
case InfoType::FreeThreadCount: {
if (info_sub_id != 0) { if (info_sub_id != 0) {
LOG_ERROR(Kernel_SVC, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id, LOG_ERROR(Kernel_SVC, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
info_sub_id); info_sub_id);
@ -856,79 +822,83 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
} }
switch (info_id_type) { switch (info_id_type) {
case GetInfoType::AllowedCPUCoreMask: case InfoType::CoreMask:
*result = process->GetCoreMask(); *result = process->GetCoreMask();
return ResultSuccess; return ResultSuccess;
case GetInfoType::AllowedThreadPriorityMask: case InfoType::PriorityMask:
*result = process->GetPriorityMask(); *result = process->GetPriorityMask();
return ResultSuccess; return ResultSuccess;
case GetInfoType::MapRegionBaseAddr: case InfoType::AliasRegionAddress:
*result = process->PageTable().GetAliasRegionStart(); *result = process->PageTable().GetAliasRegionStart();
return ResultSuccess; return ResultSuccess;
case GetInfoType::MapRegionSize: case InfoType::AliasRegionSize:
*result = process->PageTable().GetAliasRegionSize(); *result = process->PageTable().GetAliasRegionSize();
return ResultSuccess; return ResultSuccess;
case GetInfoType::HeapRegionBaseAddr: case InfoType::HeapRegionAddress:
*result = process->PageTable().GetHeapRegionStart(); *result = process->PageTable().GetHeapRegionStart();
return ResultSuccess; return ResultSuccess;
case GetInfoType::HeapRegionSize: case InfoType::HeapRegionSize:
*result = process->PageTable().GetHeapRegionSize(); *result = process->PageTable().GetHeapRegionSize();
return ResultSuccess; return ResultSuccess;
case GetInfoType::ASLRRegionBaseAddr: case InfoType::AslrRegionAddress:
*result = process->PageTable().GetAliasCodeRegionStart(); *result = process->PageTable().GetAliasCodeRegionStart();
return ResultSuccess; return ResultSuccess;
case GetInfoType::ASLRRegionSize: case InfoType::AslrRegionSize:
*result = process->PageTable().GetAliasCodeRegionSize(); *result = process->PageTable().GetAliasCodeRegionSize();
return ResultSuccess; return ResultSuccess;
case GetInfoType::StackRegionBaseAddr: case InfoType::StackRegionAddress:
*result = process->PageTable().GetStackRegionStart(); *result = process->PageTable().GetStackRegionStart();
return ResultSuccess; return ResultSuccess;
case GetInfoType::StackRegionSize: case InfoType::StackRegionSize:
*result = process->PageTable().GetStackRegionSize(); *result = process->PageTable().GetStackRegionSize();
return ResultSuccess; return ResultSuccess;
case GetInfoType::TotalPhysicalMemoryAvailable: case InfoType::TotalMemorySize:
*result = process->GetTotalPhysicalMemoryAvailable(); *result = process->GetTotalPhysicalMemoryAvailable();
return ResultSuccess; return ResultSuccess;
case GetInfoType::TotalPhysicalMemoryUsed: case InfoType::UsedMemorySize:
*result = process->GetTotalPhysicalMemoryUsed(); *result = process->GetTotalPhysicalMemoryUsed();
return ResultSuccess; return ResultSuccess;
case GetInfoType::SystemResourceSize: case InfoType::SystemResourceSizeTotal:
*result = process->GetSystemResourceSize(); *result = process->GetSystemResourceSize();
return ResultSuccess; return ResultSuccess;
case GetInfoType::SystemResourceUsage: case InfoType::SystemResourceSizeUsed:
LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage"); LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
*result = process->GetSystemResourceUsage(); *result = process->GetSystemResourceUsage();
return ResultSuccess; return ResultSuccess;
case GetInfoType::TitleId: case InfoType::ProgramId:
*result = process->GetProgramID(); *result = process->GetProgramID();
return ResultSuccess; return ResultSuccess;
case GetInfoType::UserExceptionContextAddr: case InfoType::UserExceptionContextAddress:
*result = process->GetProcessLocalRegionAddress(); *result = process->GetProcessLocalRegionAddress();
return ResultSuccess; return ResultSuccess;
case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource: case InfoType::TotalNonSystemMemorySize:
*result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource(); *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
return ResultSuccess; return ResultSuccess;
case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: case InfoType::UsedNonSystemMemorySize:
*result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource(); *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
return ResultSuccess; return ResultSuccess;
case InfoType::FreeThreadCount:
*result = process->GetFreeThreadCount();
return ResultSuccess;
default: default:
break; break;
} }
@ -937,11 +907,11 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
return ResultInvalidEnumValue; return ResultInvalidEnumValue;
} }
case GetInfoType::IsCurrentProcessBeingDebugged: case InfoType::DebuggerAttached:
*result = 0; *result = 0;
return ResultSuccess; return ResultSuccess;
case GetInfoType::RegisterResourceLimit: { case InfoType::ResourceLimit: {
if (handle != 0) { if (handle != 0) {
LOG_ERROR(Kernel, "Handle is non zero! handle={:08X}", handle); LOG_ERROR(Kernel, "Handle is non zero! handle={:08X}", handle);
return ResultInvalidHandle; return ResultInvalidHandle;
@ -969,7 +939,7 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
return ResultSuccess; return ResultSuccess;
} }
case GetInfoType::RandomEntropy: case InfoType::RandomEntropy:
if (handle != 0) { if (handle != 0) {
LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}", LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",
handle); handle);
@ -985,13 +955,13 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
*result = system.Kernel().CurrentProcess()->GetRandomEntropy(info_sub_id); *result = system.Kernel().CurrentProcess()->GetRandomEntropy(info_sub_id);
return ResultSuccess; return ResultSuccess;
case GetInfoType::PrivilegedProcessId: case InfoType::InitialProcessIdRange:
LOG_WARNING(Kernel_SVC, LOG_WARNING(Kernel_SVC,
"(STUBBED) Attempted to query privileged process id bounds, returned 0"); "(STUBBED) Attempted to query privileged process id bounds, returned 0");
*result = 0; *result = 0;
return ResultSuccess; return ResultSuccess;
case GetInfoType::ThreadTickCount: { case InfoType::ThreadTickCount: {
constexpr u64 num_cpus = 4; constexpr u64 num_cpus = 4;
if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) { if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
LOG_ERROR(Kernel_SVC, "Core count is out of range, expected {} but got {}", num_cpus, LOG_ERROR(Kernel_SVC, "Core count is out of range, expected {} but got {}", num_cpus,
@ -1026,7 +996,7 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
*result = out_ticks; *result = out_ticks;
return ResultSuccess; return ResultSuccess;
} }
case GetInfoType::IdleTickCount: { case InfoType::IdleTickCount: {
// Verify the input handle is invalid. // Verify the input handle is invalid.
R_UNLESS(handle == InvalidHandle, ResultInvalidHandle); R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
@ -1040,7 +1010,7 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
*result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime(); *result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
return ResultSuccess; return ResultSuccess;
} }
case GetInfoType::MesosphereCurrentProcess: { case InfoType::MesosphereCurrentProcess: {
// Verify the input handle is invalid. // Verify the input handle is invalid.
R_UNLESS(handle == InvalidHandle, ResultInvalidHandle); R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);