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background_hang_monitor: Add musl compatibility (#33153)

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musl does not have libunwind readily available; even if it did, it has
no concept of ucontext (needing an external lib).  Similar to ohos,
disable the background hang monitor and use the DummySampler.

Signed-off-by: A. Wilcox <AWilcox@Wilcox-Tech.com>
This commit is contained in:
A. Wilcox 2024-08-21 16:38:28 -05:00 • committed by GitHub
parent 7501e3e12f
commit 0e56241c1b
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3 changed files with 19 additions and 4 deletions
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2
components/background_hang_monitor/Cargo.toml
View file

@ -25,6 +25,6 @@ serde_json = { workspace = true }
[target.'cfg(target_os = "macos")'.dependencies]
mach2 = "0.4"
[target.'cfg(all(target_os = "linux", not(any(target_arch = "arm", target_arch = "aarch64", target_env = "ohos"))))'.dependencies]
[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"] }
unwind-sys = "0.1.4"

14
components/background_hang_monitor/background_hang_monitor.rs
View file

@ -98,14 +98,24 @@ impl BackgroundHangMonitorRegister for HangMonitorRegister {
let sampler = crate::sampler_mac::MacOsSampler::new_boxed();
#[cfg(all(
target_os = "linux",
not(any(target_arch = "arm", target_arch = "aarch64", target_env = "ohos")),
not(any(
target_arch = "arm",
target_arch = "aarch64",
target_env = "ohos",
target_env = "musl"
)),
))]
let sampler = crate::sampler_linux::LinuxSampler::new_boxed();
#[cfg(any(
target_os = "android",
all(
target_os = "linux",
any(target_arch = "arm", target_arch = "aarch64", target_env = "ohos")
any(
target_arch = "arm",
target_arch = "aarch64",
target_env = "ohos",
target_env = "musl"
)
)
))]
let sampler = crate::sampler::DummySampler::new_boxed();

7
components/background_hang_monitor/lib.rs
View file

@ -8,7 +8,12 @@ pub mod background_hang_monitor;
mod sampler;
#[cfg(all(
target_os = "linux",
not(any(target_arch = "arm", target_arch = "aarch64", target_env = "ohos"))
not(any(
target_arch = "arm",
target_arch = "aarch64",
target_env = "ohos",
target_env = "musl"
))
))]
mod sampler_linux;
#[cfg(target_os = "macos")]