99 lines
4.3 KiB
C++
99 lines
4.3 KiB
C++
#include "SceTypes.hpp"
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#include <atomic>
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#include <chrono>
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#include <cstdint>
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#include <cstdlib>
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#include <limits>
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#include <stdexcept>
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#include <thread>
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extern "C" {
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int APS5_VABI scePthreadCreate(Pthread* thread, const PthreadAttr* attr, PthreadEntry entry, void* arg, const char* name);
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int APS5_VABI scePthreadJoin(Pthread thread, void** retval);
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int APS5_VABI scePthreadSemInit(PthreadSem* sem, int flag, unsigned int value, const char* name);
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int APS5_VABI scePthreadSemDestroy(PthreadSem* sem);
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int APS5_VABI scePthreadSemPost(PthreadSem* sem);
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int APS5_VABI scePthreadSemWait(PthreadSem* sem);
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int APS5_VABI scePthreadSemTrywait(PthreadSem* sem);
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int APS5_VABI scePthreadSemTimedwait(PthreadSem* sem, unsigned int usec);
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int APS5_VABI scePthreadSemGetvalue(PthreadSem* sem, int* value);
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}
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static constexpr int SCE_OK = 0;
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static constexpr int SCE_KERNEL_ERROR_EBUSY = static_cast<int>(0x80020010);
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static constexpr int SCE_KERNEL_ERROR_EINVAL = static_cast<int>(0x80020016u);
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static constexpr int SCE_KERNEL_ERROR_EOVERFLOW = static_cast<int>(0x80020054u);
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static constexpr int SCE_KERNEL_ERROR_ETIMEDOUT = static_cast<int>(0x8002003C);
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static void Require(bool value) { if (!value) std::abort(); }
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static void CheckValueLimit() {
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constexpr unsigned int maximum = 0x7fffffffu;
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PthreadSem sem = nullptr;
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Require(scePthreadSemInit(&sem, 0, 7, nullptr) == SCE_OK);
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const PthreadSem original = sem;
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const unsigned int invalidValues[] = {maximum + 1u, std::numeric_limits<unsigned int>::max()};
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int value = -1;
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for (const unsigned int initial : invalidValues) {
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Require(scePthreadSemInit(&sem, 0, initial, nullptr) == SCE_KERNEL_ERROR_EINVAL);
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Require(sem == original);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == 7);
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}
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Require(scePthreadSemDestroy(&sem) == SCE_OK);
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Require(scePthreadSemInit(&sem, 0, maximum, nullptr) == SCE_OK);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == static_cast<int>(maximum));
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Require(scePthreadSemPost(&sem) == SCE_KERNEL_ERROR_EOVERFLOW);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == static_cast<int>(maximum));
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Require(scePthreadSemTrywait(&sem) == SCE_OK);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == static_cast<int>(maximum - 1));
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Require(scePthreadSemPost(&sem) == SCE_OK);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == static_cast<int>(maximum));
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Require(scePthreadSemPost(&sem) == SCE_KERNEL_ERROR_EOVERFLOW);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == static_cast<int>(maximum));
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Require(scePthreadSemDestroy(&sem) == SCE_OK);
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}
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struct Context {
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PthreadSem sem = nullptr;
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};
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static void* APS5_VABI Poster(void* arg) {
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auto& context = *static_cast<Context*>(arg);
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std::this_thread::sleep_for(std::chrono::milliseconds(5));
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Require(scePthreadSemPost(&context.sem) == SCE_OK);
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Require(scePthreadSemPost(&context.sem) == SCE_OK);
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return nullptr;
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}
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int main() {
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CheckValueLimit();
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PthreadSem sem = nullptr;
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Require(scePthreadSemInit(&sem, 0, 2, nullptr) == SCE_OK);
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int value = -1;
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == 2);
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Require(scePthreadSemTrywait(&sem) == SCE_OK);
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Require(scePthreadSemTrywait(&sem) == SCE_OK);
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Require(scePthreadSemTrywait(&sem) == SCE_KERNEL_ERROR_EBUSY);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == 0);
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Require(scePthreadSemTimedwait(&sem, 1000) == SCE_KERNEL_ERROR_ETIMEDOUT);
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Require(scePthreadSemPost(&sem) == SCE_OK);
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Require(scePthreadSemGetvalue(&sem, &value) == SCE_OK && value == 1);
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Context context;
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Require(scePthreadSemInit(&context.sem, 0, 0, nullptr) == SCE_OK);
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Pthread thread = nullptr;
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Require(scePthreadCreate(&thread, nullptr, Poster, &context, nullptr) == SCE_OK);
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Require(scePthreadSemTimedwait(&context.sem, 5000000) == SCE_OK);
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Require(scePthreadSemWait(&context.sem) == SCE_OK);
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Require(scePthreadJoin(thread, nullptr) == SCE_OK);
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Require(scePthreadSemDestroy(&context.sem) == SCE_OK);
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bool rejected = false;
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try { scePthreadSemWait(&context.sem); }
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catch (const std::runtime_error&) { rejected = true; }
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Require(rejected);
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Require(scePthreadSemDestroy(&sem) == SCE_OK);
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}
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