Accidental complexity

Watch this video where the presenter talks about accidental complexity in relation to challenges in concurrency.

https://youtu.be/6yiuwadJtWc?list=PLZ9NgFYEMxp4tbiFYip6tDNIEBRUDyPQK

1. Use of low-level and error-prone data types 
1. pointer to function 
2. type casting to void* 
3. type casting from void* 
4. "quasi-typed" thread handles 
5. not portable to non-POSIX platforms 
2. Limited debugging tools