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	* result: try out some experimental shenanigans * result: sketch out some more shenanigans * result: see what it looks like to convert kernel to use result conds instead of guards * make rest of kernel use experimental new macro-ing
		
			
				
	
	
		
			77 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) Atmosphère-NX
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms and conditions of the GNU General Public License,
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|  * version 2, as published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope it will be useful, but WITHOUT
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|  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|  * more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| #include <mesosphere.hpp>
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| 
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| namespace ams::kern::svc {
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| 
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|     /* =============================    Common    ============================= */
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| 
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|     namespace {
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| 
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|         constexpr bool IsValidInterruptType(ams::svc::InterruptType type) {
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|             switch (type) {
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|                 case ams::svc::InterruptType_Edge:
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|                 case ams::svc::InterruptType_Level:
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|                     return true;
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|                 default:
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|                     return false;
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|             }
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|         }
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| 
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|         Result CreateInterruptEvent(ams::svc::Handle *out, int32_t interrupt_id, ams::svc::InterruptType type) {
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|             /* Validate the type. */
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|             R_UNLESS(IsValidInterruptType(type), svc::ResultInvalidEnumValue());
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| 
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|             /* Check whether the interrupt is allowed. */
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|             auto &process = GetCurrentProcess();
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|             R_UNLESS(process.IsPermittedInterrupt(interrupt_id), svc::ResultNotFound());
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| 
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|             /* Get the current handle table. */
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|             auto &handle_table = process.GetHandleTable();
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| 
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|             /* Create the interrupt event. */
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|             KInterruptEvent *event = KInterruptEvent::Create();
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|             R_UNLESS(event != nullptr, svc::ResultOutOfResource());
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|             ON_SCOPE_EXIT { event->Close(); };
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| 
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|             /* Initialize the event. */
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|             R_TRY(event->Initialize(interrupt_id, type));
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| 
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|             /* Register the event. */
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|             KInterruptEvent::Register(event);
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| 
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|             /* Add the event to the handle table. */
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|             R_TRY(handle_table.Add(out, event));
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| 
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|             R_SUCCEED();
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|         }
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| 
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|     }
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| 
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|     /* =============================    64 ABI    ============================= */
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| 
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|     Result CreateInterruptEvent64(ams::svc::Handle *out_read_handle, int32_t interrupt_id, ams::svc::InterruptType interrupt_type) {
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|         R_RETURN(CreateInterruptEvent(out_read_handle, interrupt_id, interrupt_type));
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|     }
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| 
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|     /* ============================= 64From32 ABI ============================= */
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| 
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|     Result CreateInterruptEvent64From32(ams::svc::Handle *out_read_handle, int32_t interrupt_id, ams::svc::InterruptType interrupt_type) {
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|         R_RETURN(CreateInterruptEvent(out_read_handle, interrupt_id, interrupt_type));
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|     }
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| 
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| }
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