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SHM:it's an area of storage that can be read and written by more than one process.
MSGQ:A message queue is like a pipe,by using more comprehensive mechanism we can read message from both end.
SHM:It provides no inherent synchronization
MSGQ:It provides inherent synchronization,So the writer can never fail after writing only a partial message, and the reader will either retrieve a complete message or nothing at all.
SHM:possiblity of occuring race condition.
MSGQ: No race conditon actually occure.
SHM: faster
MSGQ:slower than shared memory
What else can I help you with?
What is a difference between register and a memory location?
difference between register and memory location
What is the difference between gets and puts?
Direction: gets: from standard input to memory puts: from memory to standard input note: 'gets' is unsafe, use 'fgets' instead
What is the difference between shared memory and thread?
Shared memory and thread are not compareable since both of them relies to different technologies. A Shared memory is one of the methods to implement interprocess communication or IPC, by which different processes or tasks can access the same memory area, to share data between them. A thread or thread of execution is a mechanism by which a process can be split in to multiple simultaneously running pieces of code.
Difference between char pointer and char buffer?
The difference here is that char *p = "Hello"; will place Hello world in the read-only parts of the memory and making p a pointer to that, making any writing operation on this memory illegal. While doing: char p[] = "Hello"; puts the literal string in read-only memory and copies the string to newly allocated memory on the stack. p[0] = 'A'; is legal.
What does 'out of memory at line 100' mean?
Generally this will be part of an error message telling you that your environment ran out of memory when it tried to execute the command at the 100th line of your code.
What is the difference between a regular memory card and an Ultra Memory card.?
What is the difference between a regular memory card and an Ultra Memory card
Difference between multistore and working model memory?
what is the difference between the memory store model and the working memory model?
What is the difference between a memory stick and a memory stick pro?
Marketing.
What is the Difference Between memory address and memory?
Memory is microchip; address are processor board slots
What is a difference between register and a memory location?
difference between register and memory location
What is the difference between bitween pagefile and virtual memory?
pagefile is the virtual memory
What is the difference between cache-memory and primary-memory?
Cache memory is smaller and quicker, primary memory larger and slower.
What is the difference between a flash disc and a USB port?
what is the diference between a computer internal memory and external memory
What is difference between integral pen drive and usb memory stick?
There is no difference
What is the difference between memory and backing storage?
i am not sure
What are the difference between read only memory and random access memory?
ROM is volatile
What is the difference between a photographic memory and eidetic imagery?
A person with an eidetic memory mentally reproduces images or scenes in his mind so vividly, that his mind doesn't notice the difference between it and reality, whereas people with a photographic memory can tell the difference.
