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Avoid allocation in the signal handler to fix a deadlock #24890

Merged
merged 3 commits into from Nov 27, 2019
Merged

Avoid allocation in the signal handler to fix a deadlock #24890

merged 3 commits into from Nov 27, 2019
+115 −8

Commits on Nov 27, 2019

  1. Avoid allocation in the signal handler to fix a deadlock 

    Fixes #24881
CC rust-lang/backtrace-rs#265
    @SimonSapin
    SimonSapin committed Nov 27, 2019
    413f499

  2. Only print a backtrace the first time the signal handler is called. 

    This avoids infinite recursion if the printing causes another signal.
    @SimonSapin
    SimonSapin committed Nov 27, 2019
    99804eb

  3. Avoid locking in the signal handler

    @SimonSapin
    SimonSapin committed Nov 27, 2019
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