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-rw-r--r--src/core/hle/kernel/k_readable_event.cpp1
-rw-r--r--src/core/hle/kernel/process.cpp19
-rw-r--r--src/core/hle/kernel/process.h2
-rw-r--r--src/core/hle/kernel/svc.cpp135
-rw-r--r--src/core/hle/kernel/svc_results.h1
5 files changed, 89 insertions, 69 deletions
diff --git a/src/core/hle/kernel/k_readable_event.cpp b/src/core/hle/kernel/k_readable_event.cpp
index 0fa895c56..cd15aa529 100644
--- a/src/core/hle/kernel/k_readable_event.cpp
+++ b/src/core/hle/kernel/k_readable_event.cpp
@@ -49,7 +49,6 @@ ResultCode KReadableEvent::Reset() {
R_UNLESS_NOLOG(is_signaled, Svc::ResultInvalidState);
is_signaled = false;
-
return RESULT_SUCCESS;
}
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index afdb27c54..2286b292d 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -23,6 +23,7 @@
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/memory/slab_heap.h"
#include "core/hle/kernel/process.h"
+#include "core/hle/kernel/svc_results.h"
#include "core/hle/lock.h"
#include "core/memory.h"
#include "core/settings.h"
@@ -241,18 +242,16 @@ void Process::UnregisterThread(const KThread* thread) {
thread_list.remove(thread);
}
-ResultCode Process::ClearSignalState() {
- KScopedSchedulerLock lock(system.Kernel());
- if (status == ProcessStatus::Exited) {
- LOG_ERROR(Kernel, "called on a terminated process instance.");
- return ERR_INVALID_STATE;
- }
+ResultCode Process::Reset() {
+ // Lock the process and the scheduler.
+ KScopedLightLock lk(state_lock);
+ KScopedSchedulerLock sl{kernel};
- if (!is_signaled) {
- LOG_ERROR(Kernel, "called on a process instance that isn't signaled.");
- return ERR_INVALID_STATE;
- }
+ // Validate that we're in a state that we can reset.
+ R_UNLESS(status != ProcessStatus::Exited, Svc::ResultInvalidState);
+ R_UNLESS(is_signaled, Svc::ResultInvalidState);
+ // Clear signaled.
is_signaled = false;
return RESULT_SUCCESS;
}
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index c8af76ce8..320b0f347 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -312,7 +312,7 @@ public:
/// @pre The process must be in a signaled state. If this is called on a
/// process instance that is not signaled, ERR_INVALID_STATE will be
/// returned.
- ResultCode ClearSignalState();
+ ResultCode Reset();
/**
* Loads process-specifics configuration info with metadata provided
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 9d036f45d..edf208eff 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -14,6 +14,7 @@
#include "common/fiber.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
+#include "common/scope_exit.h"
#include "common/string_util.h"
#include "core/arm/exclusive_monitor.h"
#include "core/core.h"
@@ -1726,20 +1727,28 @@ static ResultCode CloseHandle32(Core::System& system, Handle handle) {
static ResultCode ResetSignal(Core::System& system, Handle handle) {
LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
+ // Get the current handle table.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- auto event = handle_table.Get<KReadableEvent>(handle);
- if (event) {
- return event->Reset();
+ // Try to reset as readable event.
+ {
+ auto readable_event = handle_table.Get<KReadableEvent>(handle);
+ if (readable_event) {
+ return readable_event->Reset();
+ }
}
- auto process = handle_table.Get<Process>(handle);
- if (process) {
- return process->ClearSignalState();
+ // Try to reset as process.
+ {
+ auto process = handle_table.Get<Process>(handle);
+ if (process) {
+ return process->Reset();
+ }
}
- LOG_ERROR(Kernel_SVC, "Invalid handle (0x{:08X})", handle);
- return ERR_INVALID_HANDLE;
+ LOG_ERROR(Kernel_SVC, "invalid handle (0x{:08X})", handle);
+
+ return Svc::ResultInvalidHandle;
}
static ResultCode ResetSignal32(Core::System& system, Handle handle) {
@@ -1867,80 +1876,92 @@ static ResultCode SetThreadCoreMask32(Core::System& system, Handle thread_handle
return SetThreadCoreMask(system, thread_handle, core_id, affinity_mask);
}
-static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle* read_handle) {
- LOG_DEBUG(Kernel_SVC, "called");
+static ResultCode SignalEvent(Core::System& system, Handle event_handle) {
+ LOG_DEBUG(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
- auto& kernel = system.Kernel();
- const auto event = KEvent::Create(kernel, "CreateEvent");
- event->Initialize();
+ // Get the current handle table.
+ const HandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
+ // Get the writable event.
+ auto writable_event = handle_table.Get<KWritableEvent>(event_handle);
+ R_UNLESS(writable_event, Svc::ResultInvalidHandle);
- const auto write_create_result = handle_table.Create(event->GetWritableEvent());
- if (write_create_result.Failed()) {
- return write_create_result.Code();
- }
- *write_handle = *write_create_result;
-
- const auto read_create_result = handle_table.Create(event->GetReadableEvent());
- if (read_create_result.Failed()) {
- handle_table.Close(*write_create_result);
- return read_create_result.Code();
- }
- *read_handle = *read_create_result;
-
- LOG_DEBUG(Kernel_SVC,
- "successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}",
- *write_create_result, *read_create_result);
- return RESULT_SUCCESS;
+ return writable_event->Signal();
}
-static ResultCode CreateEvent32(Core::System& system, Handle* write_handle, Handle* read_handle) {
- return CreateEvent(system, write_handle, read_handle);
+static ResultCode SignalEvent32(Core::System& system, Handle event_handle) {
+ return SignalEvent(system, event_handle);
}
-static ResultCode ClearEvent(Core::System& system, Handle handle) {
- LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
+static ResultCode ClearEvent(Core::System& system, Handle event_handle) {
+ LOG_TRACE(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
+ // Get the current handle table.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- auto writable_event = handle_table.Get<KWritableEvent>(handle);
- if (writable_event) {
- writable_event->Clear();
- return RESULT_SUCCESS;
+ // Try to clear the writable event.
+ {
+ auto writable_event = handle_table.Get<KWritableEvent>(event_handle);
+ if (writable_event) {
+ return writable_event->Clear();
+ }
}
- auto readable_event = handle_table.Get<KReadableEvent>(handle);
- if (readable_event) {
- readable_event->Clear();
- return RESULT_SUCCESS;
+ // Try to clear the readable event.
+ {
+ auto readable_event = handle_table.Get<KReadableEvent>(event_handle);
+ if (readable_event) {
+ return readable_event->Clear();
+ }
}
- LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle);
- return ERR_INVALID_HANDLE;
+ LOG_ERROR(Kernel_SVC, "Event handle does not exist, event_handle=0x{:08X}", event_handle);
+
+ return Svc::ResultInvalidHandle;
}
-static ResultCode ClearEvent32(Core::System& system, Handle handle) {
- return ClearEvent(system, handle);
+static ResultCode ClearEvent32(Core::System& system, Handle event_handle) {
+ return ClearEvent(system, event_handle);
}
-static ResultCode SignalEvent(Core::System& system, Handle handle) {
- LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle);
+static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
+ LOG_DEBUG(Kernel_SVC, "called");
- HandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- auto writable_event = handle_table.Get<KWritableEvent>(handle);
+ // Get the kernel reference and handle table.
+ auto& kernel = system.Kernel();
+ HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
- if (!writable_event) {
- LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle);
- return ERR_INVALID_HANDLE;
+ // Create a new event.
+ const auto event = KEvent::Create(kernel, "CreateEvent");
+ R_UNLESS(event != nullptr, Svc::ResultOutOfResource);
+
+ // Initialize the event.
+ event->Initialize();
+
+ // Add the writable event to the handle table.
+ const auto write_create_result = handle_table.Create(event->GetWritableEvent());
+ if (write_create_result.Failed()) {
+ return write_create_result.Code();
+ }
+ *out_write = *write_create_result;
+
+ // Add the writable event to the handle table.
+ auto handle_guard = SCOPE_GUARD({ handle_table.Close(*write_create_result); });
+
+ // Add the readable event to the handle table.
+ const auto read_create_result = handle_table.Create(event->GetReadableEvent());
+ if (read_create_result.Failed()) {
+ return read_create_result.Code();
}
+ *out_read = *read_create_result;
- writable_event->Signal();
+ // We succeeded.
+ handle_guard.Cancel();
return RESULT_SUCCESS;
}
-static ResultCode SignalEvent32(Core::System& system, Handle handle) {
- return SignalEvent(system, handle);
+static ResultCode CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
+ return CreateEvent(system, out_write, out_read);
}
static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) {
diff --git a/src/core/hle/kernel/svc_results.h b/src/core/hle/kernel/svc_results.h
index 7b897fbce..204cd989d 100644
--- a/src/core/hle/kernel/svc_results.h
+++ b/src/core/hle/kernel/svc_results.h
@@ -11,6 +11,7 @@ namespace Kernel::Svc {
constexpr ResultCode ResultNoSynchronizationObject{ErrorModule::Kernel, 57};
constexpr ResultCode ResultTerminationRequested{ErrorModule::Kernel, 59};
constexpr ResultCode ResultInvalidAddress{ErrorModule::Kernel, 102};
+constexpr ResultCode ResultOutOfResource{ErrorModule::Kernel, 103};
constexpr ResultCode ResultInvalidCurrentMemory{ErrorModule::Kernel, 106};
constexpr ResultCode ResultInvalidPriority{ErrorModule::Kernel, 112};
constexpr ResultCode ResultInvalidCoreId{ErrorModule::Kernel, 113};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 21:51:36 +0100