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07_threads: 03_leak: Leak vector with Vec::leak, not Box::leak (#107)
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Evgeniy Filimonov 2024-06-30 18:23:20 +02:00 committed by GitHub
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book/src/07_threads/03_leak.md
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@ -27,12 +27,12 @@ run out and crash with an out-of-memory error.
fn oom_trigger() { fn oom_trigger() {
loop { loop {
let v: Vec<usize> = Vec::with_capacity(1024); let v: Vec<usize> = Vec::with_capacity(1024);
Box::leak(v); v.leak();
} }
} }
``` ```
At the same time, memory leaked via `Box::leak` is not truly forgotten.\ At the same time, memory leaked via `leak` method is not truly forgotten.\
The operating system can map each memory region to the process responsible for it. The operating system can map each memory region to the process responsible for it.
When the process exits, the operating system will reclaim that memory. When the process exits, the operating system will reclaim that memory.