Arpit questions

• file descriptor polling
• doubt regarding operations on "int" flavors
• Linux kernel scheduling
• Extern and Static Pointers in C
• linux du command source code
• Static function access in other files
• AF_UNIX in windows
• How to continue one thread at a time when debugging a multithreaded program in GDB?
• Which of sprintf/snprintf is more secure?
• Why GDB jumps unpredictably between lines and prints variables as "<value optimized out>"?

Arpit answers