How is memory allocation/deallocation converted?

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• Is all access to a memory pool serialized among all threads (tasks)? Does each thread lock the memory pool when allocating or deallocating from that memory pool?

  The memory allocation is FIFO based across all OS. There are two types of memory allocation to be discussed: Fixed Memory Allocation: OS Abstractor does NOT synchronize the alloc/de-alloc request. Neither does it searches memory to find a free block. ...

• What happens if a memory pool is deleted while there are still open handles to that memory pool? Or what happens to the memory behind the pointers that are still held?

  All the resources including memory allocation gets automatically freed up when the process gets deleted. Also, all memory gets freed up when the pool goes away. If applications still use the memory pointers then we will have unpredictable results ...

• How is memory defragmentation handled in the OS Abstractor product on Linux and VxWorks?

  OS Abstractor always prefers to use the OS defrag methods for pools created using OS_Create_Memory_Pool API. Under VxWorks, the pool management and defrag is handled by the OS itself. Under Linux, we have two options: Option 1: This is a preferred ...

• How is memory defragmentation handled in the OS Abstractor product on Linux and VxWorks?

  OS Abstractor always prefers to use the OS defrag methods for pools created using OS_Create_Memory_Pool API. Under VxWorks, the pool management and defrag is handled by the OS itself. Under Linux, we have two options: Option 1: This is a preferred ...

• How is hardware/memory addressing converted – an Ada “use at” statement?

  The C struct is referenced through a pointer, which is initialized to the specified address.