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-rw-r--r--src/core/hle/kernel/svc.cpp140
1 files changed, 81 insertions, 59 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 74eb90100..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"
@@ -26,18 +27,20 @@
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/k_address_arbiter.h"
#include "core/hle/kernel/k_condition_variable.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/memory/memory_layout.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
-#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/svc.h"
#include "core/hle/kernel/svc_results.h"
@@ -45,7 +48,6 @@
#include "core/hle/kernel/svc_wrap.h"
#include "core/hle/kernel/time_manager.h"
#include "core/hle/kernel/transfer_memory.h"
-#include "core/hle/kernel/writable_event.h"
#include "core/hle/lock.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
@@ -1725,20 +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<ReadableEvent>(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) {
@@ -1866,80 +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 [readable_event, writable_event] =
- WritableEvent::CreateEventPair(kernel, "CreateEvent");
+ // 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(writable_event);
- if (write_create_result.Failed()) {
- return write_create_result.Code();
- }
- *write_handle = *write_create_result;
-
- const auto read_create_result = handle_table.Create(readable_event);
- 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<WritableEvent>(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<ReadableEvent>(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");
+
+ // Get the kernel reference and handle table.
+ auto& kernel = system.Kernel();
+ HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
+
+ // Create a new event.
+ const auto event = KEvent::Create(kernel, "CreateEvent");
+ R_UNLESS(event != nullptr, Svc::ResultOutOfResource);
- HandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- auto writable_event = handle_table.Get<WritableEvent>(handle);
+ // Initialize the event.
+ event->Initialize();
- if (!writable_event) {
- LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle);
- return ERR_INVALID_HANDLE;
+ // 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) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 07:52:03 +0200