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fssystem: add unique lock apis

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This commit is contained in:
Michael Scire 2022-03-28 14:29:22 -07:00
parent 28f11a86fd
commit 2e6223d9d0
2 changed files with 112 additions and 3 deletions
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12
libraries/libstratosphere/source/fssystem/fssystem_utility.cpp
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@ -158,6 +158,18 @@ namespace ams::fssystem {
R_SUCCEED();
}
Result TryAcquireCountSemaphore(util::unique_lock<SemaphoreAdaptor> *out, SemaphoreAdaptor *adaptor) {
/* Create deferred unique lock. */
util::unique_lock<SemaphoreAdaptor> lock(*adaptor, std::defer_lock);
/* Try to lock. */
R_UNLESS(lock.try_lock(), fs::ResultOpenCountLimit());
/* Set the output lock. */
*out = std::move(lock);
R_SUCCEED();
}
void AddCounter(void *_counter, size_t counter_size, u64 value) {
u8 *counter = static_cast<u8 *>(_counter);
u64 remaining = value;