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os: implement LightSemaphore

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This commit is contained in:
Michael Scire 2021-09-29 13:24:03 -07:00
parent b8a1ebd11a
commit 1e7a327a25
7 changed files with 346 additions and 5 deletions
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11
libraries/libstratosphere/source/os/os_semaphore.cpp
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@ -15,13 +15,14 @@
*/
#include <stratosphere.hpp>
#include "impl/os_waitable_object_list.hpp"
#include "impl/os_waitable_holder_impl.hpp"
#include "impl/os_timeout_helper.hpp"
namespace ams::os {
void InitializeSemaphore(SemaphoreType *sema, s32 count, s32 max_count) {
AMS_ASSERT(max_count >= 1);
AMS_ASSERT(count >= 0);
AMS_ASSERT(0 <= count && count <= max_count);
/* Setup objects. */
util::ConstructAt(sema->cs_sema);
@ -141,6 +142,12 @@ namespace ams::os {
return sema->count;
}
// void InitializeWaitableHolder(WaitableHolderType *waitable_holder, SemaphoreType *sema);
void InitializeWaitableHolder(WaitableHolderType *waitable_holder, SemaphoreType *sema) {
AMS_ASSERT(sema->state == SemaphoreType::State_Initialized);
util::ConstructAt(GetReference(waitable_holder->impl_storage).holder_of_semaphore_storage, sema);
waitable_holder->user_data = 0;
}
}