Atomically increments a 32-bit value.
PRInt32 PR_AtomicIncrement(PRInt32 *val);
The function has the following parameter:
- A pointer to the value to increment.
The function returns the incremented value (i.e., the result).
The referenced variable is incremented by one. The result of the function is the value of the memory after the operation. The writing of the memory is unconditional.