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kern: implement SvcSignalToAddress, SvcWaitForAddress

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This commit is contained in:
Michael Scire
2020-07-16 19:06:48 -07:00
committed by SciresM
parent a0cc22302c
commit 8d507aa5a1
7 changed files with 292 additions and 16 deletions
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8
libraries/libmesosphere/source/kern_k_condition_variable.cpp
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@@ -17,9 +17,9 @@
namespace ams::kern {
namespace {
constinit KThread g_cv_arbiter_compare_thread;
constinit KThread g_cv_compare_thread;
namespace {
ALWAYS_INLINE bool ReadFromUser(u32 *out, KProcessAddress address) {
return UserspaceAccess::CopyMemoryFromUserSize32Bit(out, GetVoidPointer(address));
@@ -131,9 +131,9 @@ namespace ams::kern {
int num_waiters = 0;
{
KScopedSchedulerLock sl;
g_cv_compare_thread.SetupForConditionVariableCompare(cv_key, -1);
g_cv_arbiter_compare_thread.SetupForConditionVariableCompare(cv_key, -1);
auto it = this->tree.nfind(g_cv_compare_thread);
auto it = this->tree.nfind(g_cv_arbiter_compare_thread);
while ((it != this->tree.end()) && (count <= 0 || num_waiters < count) && (it->GetConditionVariableKey() == cv_key)) {
KThread *target_thread = std::addressof(*it);