SRW locks test for nxdk

gistfile1.txt

#include <hal/debug.h>
#include <hal/video.h>
#include <windows.h>

// expected behavior:
// threads 1, 3, 4, 5 lock, threads 3, 4, 5 unlock (in any order)
// 5 second pause
// thread 1 unlocks
// thread 2 locks
// 5 second pause
// thread 2 unlocks
// thread 2_2 locks
// thread 2_2 unlocks

SRWLOCK srwlock = SRWLOCK_INIT;

DWORD WINAPI threadFn1 (LPVOID lpParam)
{
    AcquireSRWLockShared(&srwlock);
    debugPrint("thread 1 locked\n");
    Sleep(5000);
    ReleaseSRWLockShared(&srwlock);
    debugPrint("thread 1 unlocked\n");
    return 0;
}

DWORD WINAPI threadFn2_2 (LPVOID lpParam)
{
    AcquireSRWLockShared(&srwlock);
    debugPrint("thread 2_2 locked\n");
    ReleaseSRWLockShared(&srwlock);
    debugPrint("thread 2_2 unlocked\n");
    return 0;
}

DWORD WINAPI threadFn2 (LPVOID lpParam)
{
    AcquireSRWLockExclusive(&srwlock);
    debugPrint("thread 2 locked\n");
    CreateThread(NULL, 0, threadFn2_2, NULL, 0, NULL);
    Sleep(5000);
    ReleaseSRWLockExclusive(&srwlock);
    debugPrint("thread 2 unlocked\n");
    return 0;
}

DWORD WINAPI threadFn3 (LPVOID lpParam)
{
    AcquireSRWLockShared(&srwlock);
    debugPrint("thread 3 locked\n");
    ReleaseSRWLockShared(&srwlock);
    debugPrint("thread 3 unlocked\n");
    return 0;
}

DWORD WINAPI threadFn4 (LPVOID lpParam)
{
    AcquireSRWLockShared(&srwlock);
    debugPrint("thread 4 locked\n");
    ReleaseSRWLockShared(&srwlock);
    debugPrint("thread 4 unlocked\n");
    return 0;
}

DWORD WINAPI threadFn5 (LPVOID lpParam)
{
    AcquireSRWLockShared(&srwlock);
    debugPrint("thread 5 locked\n");
    ReleaseSRWLockShared(&srwlock);
    debugPrint("thread 5 unlocked\n");
    return 0;
}


int main(void)
{
    XVideoSetMode(640, 480, 32, REFRESH_DEFAULT);

    CreateThread(NULL, 0, threadFn1, NULL, 0, NULL);
    CreateThread(NULL, 0, threadFn2, NULL, 0, NULL);
    CreateThread(NULL, 0, threadFn3, NULL, 0, NULL);
    CreateThread(NULL, 0, threadFn4, NULL, 0, NULL);
    CreateThread(NULL, 0, threadFn5, NULL, 0, NULL);

    while(1) {
        Sleep(2000);
    }

    return 0;
}