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bhm: Fix a warning in the Linux sampler (#30924)
Use curly braces instead of an explicit drop to control the end of a borrow.
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7305c59304
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1 changed files with 49 additions and 49 deletions
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@ -207,6 +207,8 @@ impl Sampler for LinuxSampler {
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// Safety: non-exclusive reference only
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// since sampled threads are accessing this concurrently
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let result;
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{
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let shared_state = unsafe { &*SHARED_STATE.0.get() };
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shared_state
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.msg2
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@ -218,7 +220,7 @@ impl Sampler for LinuxSampler {
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let context = CONTEXT.load(Ordering::SeqCst);
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let mut cursor = mem::MaybeUninit::uninit();
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let ret = unsafe { unw_init_local(cursor.as_mut_ptr(), context) };
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let result = if ret == UNW_ESUCCESS {
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result = if ret == UNW_ESUCCESS {
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let mut native_stack = NativeStack::new();
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loop {
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let ip = match get_register(cursor.as_mut_ptr(), RegNum::Ip) {
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@ -257,9 +259,7 @@ impl Sampler for LinuxSampler {
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.unwrap()
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.wait_through_intr()
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.expect("msg4 failed");
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// No-op, but marks the end of the shared borrow
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drop(shared_state);
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}
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clear_shared_state();
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