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Add IPC channel (for sscsm)

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This commit is contained in:
Jude Melton-Houghton 2023-05-19 01:09:21 +02:00 • committed by Desour
parent ba62808fe8
commit bda818840e
4 changed files with 486 additions and 0 deletions
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61
src/unittest/test_threading.cpp
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@ -6,6 +6,10 @@
#include <atomic>
#include <iostream>
#if defined(_WIN32)
#include <windows.h>
#endif
#include "threading/ipc_channel.h"
#include "threading/semaphore.h"
#include "threading/thread.h"
@ -19,6 +23,7 @@ public:
void testStartStopWait();
void testAtomicSemaphoreThread();
void testTLS();
void testIPCChannel();
};
static TestThreading g_test_instance;
@ -28,6 +33,7 @@ void TestThreading::runTests(IGameDef *gamedef)
TEST(testStartStopWait);
TEST(testAtomicSemaphoreThread);
TEST(testTLS);
TEST(testIPCChannel);
}
class SimpleTestThread : public Thread {
@ -227,3 +233,58 @@ void TestThreading::testTLS()
}
}
}
void TestThreading::testIPCChannel()
{
#if defined(_WIN32)
HANDLE sem_a = CreateSemaphoreA(nullptr, 0, 1, nullptr);
UASSERT(sem_a != INVALID_HANDLE_VALUE);
HANDLE sem_b = CreateSemaphoreA(nullptr, 0, 1, nullptr);
UASSERT(sem_b != INVALID_HANDLE_VALUE);
#endif
IPCChannelShared shared, *sharedp = &shared;
#if defined(_WIN32)
IPCChannelEnd end_a = IPCChannelEnd::makeA(sharedp, sem_a, sem_b);
#else
IPCChannelEnd end_a = IPCChannelEnd::makeA(sharedp);
#endif
std::thread thread_b([=] {
#if defined(_WIN32)
IPCChannelEnd end_b = IPCChannelEnd::makeB(sharedp, sem_a, sem_b);
#else
IPCChannelEnd end_b = IPCChannelEnd::makeB(sharedp);
#endif
for (;;) {
end_b.recv();
end_b.send(end_b.getRecvData(), end_b.getRecvSize());
if (end_b.getRecvSize() == 0)
break;
}
});
char buf[20000] = {};
for (int i = sizeof(buf); i > 0; i -= 1000) {
buf[i - 1] = 123;
end_a.exchange(buf, i);
UASSERTEQ(int, end_a.getRecvSize(), i);
UASSERTEQ(int, ((const char *)end_a.getRecvData())[i - 1], 123);
}
end_a.exchange(buf, 0);
UASSERTEQ(int, end_a.getRecvSize(), 0);
thread_b.join();
UASSERT(!end_a.exchange(buf, 0, 1000));
#if defined(_WIN32)
CloseHandle(sem_b);
CloseHandle(sem_a);
#endif
}