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Thread safety
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<p>In <a href="/facts/Multi-threaded/hh8WHyPd">multi-threaded</a> <a href="/facts/Computer_programming/QmSsFnu0">computer programming</a>, a function is thread-safe when it can be invoked or accessed concurrently by multiple threads without causing unexpected behavior, <a href="/facts/Race_condition/bvNpgy4F">race conditions</a>, or data corruption. As in the multi-threaded context where a program executes several threads simultaneously in a shared <a href="/facts/Address_space/EscyYKkP">address space</a> and each of those threads has access to every other thread's <a href="/facts/Computer_storage/wPHKFpdx">memory</a>, thread-safe functions need to ensure that all those threads behave properly and fulfill their design specifications without unintended interaction. </p><p>There are various strategies for making thread-safe data structures. </p>