What is race condition ?? (Threading concept) TCS 2 sept10
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Answer Posted / mkjhamca05
This example shows a trivial software race condition. A
software race condition occurs when the execution of a
program is affected by the order and timing of a threads
execution. Most software race conditions can be alleviated
by using synchronization variables to control the threads'
timing and access of shared resources. If a program depends
on order of execution, then threading that program may not
be a good solution, because the order in which threads
execute is non deterministic.
In the example, thr_continue() and thr_suspend() calls
continue and suspend a given thread, respectively. Although
both of these calls are valid, use caution when implementing
them. It is very hard to determine where a thread is in its
execution. Because of this, you may not be able to tell
where the thread will suspend when the call to thr_suspend()
is made. This behavior can cause problems in threaded code
if not used properly.
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