Difference between revisions of "Advanced C++ Programming Tutorial 6"

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(Part 1)
(Part 2)
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=== Part 2 ===
 
=== Part 2 ===
Stay Tuned!
+
* <code>weak_ptr</code> and <code>lock</code>
 +
* The control block
 +
* Monolithic <code>make_shared</code> control block optimization
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* Race condition and synchronization
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* Resource destruction with monolithic control block
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* <code>static_pointer_cast</code> <code>dynamic_pointer_cast</code> <code>reinterpret_pointer_cast</code> <code>const_pointer_cast</code>
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* <code>enable_shared_from_this</code>
  
 
== Video Timestamp Index ==
 
== Video Timestamp Index ==

Revision as of 20:58, 9 November 2019

Share your resources in grand style with shared_ptr.

Topics

Part 1

  • Review of unique_ptr
  • shared_ptr usage scenarios
  • use_count
  • How to pass/receive resources when shared_ptr is involved
  • Comparing shared_ptrs
  • Conversion from unique_ptr to shared_ptr
  • Custom deleter for shared_ptr

Part 2

  • weak_ptr and lock
  • The control block
  • Monolithic make_shared control block optimization
  • Race condition and synchronization
  • Resource destruction with monolithic control block
  • static_pointer_cast dynamic_pointer_cast reinterpret_pointer_cast const_pointer_cast
  • enable_shared_from_this

Video Timestamp Index

Homework

Part 1

Identify targets in the Memefighter codebase from Intermediate c++ for resource sharing, implement the sharing with std::shared_ptr, and consider/discuss potential downsides to the resource sharing for each instance of resource sharing. Solution can be found here.

See also