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Thread race conditions ░▒▓█► ✿✿✿✿ 𝐂𝐒𝐄𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐚𝐥𝐬 ✿✿✿✿◄█▓▒░ A race condition is a situation that occurs in a multi-threaded environment when two or more threads attempt to access shared data simultaneously, and the final result depends on the timing of how these threads are scheduled and executed. Essentially, race conditions are inconsistencies that result from uncontrolled access to shared data. They lead to unpredictable and undesirable outcomes in a program. The problem crops up when multiple threads access and manipulate the same shared data concurrently and the outcome of the execution differs depending on the sequence or timing of the thread scheduling. For example, if two threads are executing simultaneously and the first thread is modifying a variable while the second thread reads the same variable before the first one completes its operation, it might lead to an unpredicted result. The reason is that the second thread is reading an intermediate or old data which is not supposed to be accessible. The most common types of race conditions include read-modify-write and write-read race conditions. In the first one, a thread reads a value from a shared variable and calculates a new value based on it, meanwhile, another thread modifies the shared variable causing the first thread to write an inappropriate value. In the second type, a thread calculates a value based on a shared variable, and before it could write the new value, another thread reads the old value. Using synchronization techniques such as locks, semaphores, or monitors can prevent race conditions. These techniques ensure that only a single thread can access the shared resource at a given time, which maintains the integrity of the shared data. However, it’s important to apply these techniques carefully, as improper synchronization could lead to issues like deadlocks or resource starvation. In summary, race conditions relate to the design faults in a multithreaded application where shared data are not adequately protected, leading to unpredictable and error-prone program behavior. 🆅🅸🆂🅸🆃 : https://lnkd.in/d3NzBDzE tgram grp : https://lnkd.in/gy93YX9 #programming #operatingsystem #systemprogramming #networking #linux #C/C++ #linux #datastructures #algorithms #sql #RDBMS #TCP #UDP #Router #loadbalancer #Coding #OOps #protocoldevelopment
