What are the potential issues that could arise in the two code snippets below? Be specific and thorough!

(Note: `spinLock` is initialized as a global variable.)

Snippet 1:
```
spinLock.lock();
bool wasDisabled = Interrupts::disable();
// ...
Interrupts::enable(wasDisabled);
spinLock.unlock();
```

Snippet 2:
```
bool wasDisabled = Interrupts::disable();
spinLock.lock();
// ...
spinLock.unlock();
Interrupts::enable(wasDisabled);
```

The two code snippets present possible issues with interrupt safety and lock ordering in Concurrent Programming. The first could lead to a deadlock if an interrupt happens after the lock is obtained but before interrupts are disabled. The second avoids this issue but could itself cause a deadlock if there's an inconsistent lock ordering across different threads.

The potential issues in these two code snippets largely revolve around two areas: interrupt safety and lock ordering. In the first code snippet, the issue arises from disabling interrupts after obtaining the spinLock. If an interrupt occurs between obtaining the lock and disabling interrupts, it could cause a deadlock if the interrupt handler also tries to obtain the spinLock.

Conversely, the second code snippet disables interrupts before obtaining the spinLock, preventing the aforementioned deadlock. But, another issue here is lock ordering. If another thread complies with a different order (first obtaining another lock, then trying to obtain spinLock), it could lead to a deadlock scenario due to circular wait. These issues underline the importance of careful consideration and testing in concurrent programming.

Learn more about Concurrent Programming here:

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