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Fix svcSignalProcessWideKey and svcWaitSynchronization timeout overflow

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This commit mainly just fixes svcSignalProcessWideKey and svcWaitSynchronization and their related issues.
This commit is contained in:
◱ PixelyIon 2020-01-13 02:07:22 +05:30 committed by ◱ PixelyIon
parent 493a1a93ec
commit 36f05ee7e0
2 changed files with 11 additions and 8 deletions
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0
app/src/main/cpp/.clang-tidy → .clang-tidy
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19
app/src/main/cpp/skyline/kernel/svc.cpp
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@ -314,8 +314,9 @@ namespace skyline::kernel::svc {
}
objectTable.push_back(std::static_pointer_cast<type::KSyncObject>(object));
}
state.logger->Debug("svcWaitSynchronization: Waiting on handles:\n{}Timeout: 0x{:X} ns", handleStr, state.ctx->registers.x3);
auto timeout = state.ctx->registers.x3 + GetCurrTimeNs();
auto timeout = state.ctx->registers.x3;
state.logger->Debug("svcWaitSynchronization: Waiting on handles:\n{}Timeout: 0x{:X} ns", handleStr, timeout);
auto start = GetCurrTimeNs();
while (true) {
uint index{};
for (const auto &object : objectTable) {
@ -327,7 +328,8 @@ namespace skyline::kernel::svc {
}
index++;
}
if (GetCurrTimeNs() >= timeout) {
if ((GetCurrTimeNs() - start) >= timeout) {
state.logger->Debug("svcWaitSynchronization: Wait has timed out");
state.ctx->registers.w0 = constant::status::Timeout;
return;
}
@ -397,14 +399,15 @@ namespace skyline::kernel::svc {
void SignalProcessWideKey(DeviceState &state) {
auto address = state.ctx->registers.x0;
auto count = state.ctx->registers.x1;
auto count = state.ctx->registers.w1;
try {
state.logger->Debug("svcSignalProcessWideKey: Signalling Conditional-Variable at 0x{:X} for {}", address, count);
auto &cvar = state.process->condVarMap.at(address);
/*
for (u32 iter = 0; iter < count; iter++)
pthread_cond_signal(&cvar);
*/
if(count == UINT32_MAX)
pthread_cond_broadcast(&cvar);
else
for (u32 iter = 0; iter < count; iter++)
pthread_cond_signal(&cvar);
} catch (const std::out_of_range &) {
state.logger->Debug("svcSignalProcessWideKey: No Conditional-Variable at 0x{:X}", address);
state.process->condVarMap[address] = PTHREAD_COND_INITIALIZER;