53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
#include "SceTypes.hpp"
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#include <atomic>
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#include <cstdint>
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#include <cstdlib>
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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 scePthreadMutexInit(PthreadMutex* mutex, const PthreadMutexattr* attr, const char* name);
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int APS5_VABI scePthreadMutexDestroy(PthreadMutex* mutex);
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int APS5_VABI scePthreadMutexLock(PthreadMutex* mutex);
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int APS5_VABI scePthreadMutexUnlock(PthreadMutex* mutex);
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int APS5_VABI scePthreadCondInit(PthreadCond* cond, const PthreadCondattr* attr, const char* name);
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int APS5_VABI scePthreadCondDestroy(PthreadCond* cond);
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int APS5_VABI scePthreadCondTimedwait(PthreadCond* cond, PthreadMutex* mutex, unsigned int usec);
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}
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static constexpr int SCE_OK = 0;
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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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struct Context {
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PthreadMutex mutex = nullptr;
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std::atomic<bool> acquired{false};
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};
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static void* APS5_VABI Contender(void* arg) {
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auto& context = *static_cast<Context*>(arg);
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Require(scePthreadMutexLock(&context.mutex) == SCE_OK);
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context.acquired.store(true);
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Require(scePthreadMutexUnlock(&context.mutex) == SCE_OK);
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return nullptr;
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}
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int main() {
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Context context;
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PthreadCond cond = nullptr;
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Require(scePthreadMutexInit(&context.mutex, nullptr, nullptr) == SCE_OK);
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Require(scePthreadCondInit(&cond, nullptr, nullptr) == SCE_OK);
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Require(scePthreadMutexLock(&context.mutex) == SCE_OK);
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Pthread thread = nullptr;
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Require(scePthreadCreate(&thread, nullptr, Contender, &context, nullptr) == SCE_OK);
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while (!context.acquired.load())
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Require(scePthreadCondTimedwait(&cond, &context.mutex, 1000) == SCE_KERNEL_ERROR_ETIMEDOUT);
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Require(scePthreadMutexUnlock(&context.mutex) == SCE_OK);
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Require(scePthreadJoin(thread, nullptr) == SCE_OK);
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Require(scePthreadCondDestroy(&cond) == SCE_OK);
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Require(scePthreadMutexDestroy(&context.mutex) == SCE_OK);
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}
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