4.2. Synchronization Facilities

See also

• Python Multi-threaded Network Server Programming

• Programming Python Network Servers

The solution to cooperating processes sharing resources without encountering the Potential Interprocess Communication Problems is to take advantage of Operating System provided synchronization facilities.

We need a mechanism to coordinate access to critical sections

In this section, we will discuss:

1. Potential synchronization solutions

2. How the Programmer can use synchronization facilities

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Contents

• 4.2.1. Synchronization Requirements
• 4.2.2. Possible Synchronization Solutions
  • 4.2.2.1. Software Solution
  • 4.2.2.2. Disable Interrupts
  • 4.2.2.3. Dijkstra’s Semaphore
• 4.2.3. Test and Set Instruction
• 4.2.4. Implementing Semaphores with Test and Set
• 4.2.5. The Monitor
• 4.2.6. Multi-threaded Programming
  • 4.2.6.1. Creating threads in Python
  • 4.2.6.2. Synchronization tools (some of them)