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Replace unwind-sys with backtrace crate on Linux (#37728)

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This PR removes `unwind-sys` usage from background_hang_monitor on
Linux, replacing it with the [backtrace
crate](https://crates.io/crates/backtrace).

Testing: `hang_monitor-tests.rs` still pass after the change (on Ubuntu
24.04).
Fixes: https://github.com/servo/servo/issues/35063

---------

Signed-off-by: CarePackage17 <5157010+CarePackage17@users.noreply.github.com>
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CarePackage17 2025-06-27 14:20:10 +02:00 • committed by GitHub
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3 changed files with 13 additions and 85 deletions
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3
components/background_hang_monitor/Cargo.toml
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@ -28,7 +28,6 @@ mach2 = { version = "0.4", optional = true }
[target.'cfg(all(target_os = "linux", not(any(target_arch = "arm", target_arch = "aarch64", target_env = "ohos", target_env = "musl"))))'.dependencies]
nix = { workspace = true, features = ["signal"], optional = true }
unwind-sys = { version = "0.1.4", optional = true }
[features]
sampler = ["unwind-sys", "mach2", "nix"]
sampler = ["mach2", "nix"]