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Junior — Middle

Will the execution change when running a continuous loop inside a coroutine function?

sobes.tech AI

Answer from AI

If you run an infinite loop inside a coroutine function without calling suspending functions (suspend), then a context switch will not occur — the coroutine will block the current thread.

For the coroutine to yield control and allow a context switch, suspending functions such as delay(), yield(), or other operations that suspend the coroutine must be called within the loop.

Example:

suspend fun example() {
    while (true) {
        // Without suspend functions - the loop blocks the thread
        // ...
        delay(1000) // Suspension and context switch occur here
    }
}

Thus, for proper operation and switching between coroutines, it is important to use suspensions inside loops.