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linux: Use pthread_setname_np instead of prctl #100287

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Merged
merged 1 commit into from
Aug 11, 2022
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linux: Use pthread_setname_np instead of prctl #100287

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12 changes: 9 additions & 3 deletions library/std/src/sys/unix/thread.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -116,11 +116,9 @@ impl Thread {
debug_assert_eq!(ret, 0);
}

#[cfg(any(target_os = "linux", target_os = "android"))]
#[cfg(target_os = "android")]
pub fn set_name(name: &CStr) {
const PR_SET_NAME: libc::c_int = 15;
// pthread wrapper only appeared in glibc 2.12, so we use syscall
// directly.
unsafe {
libc::prctl(
PR_SET_NAME,
Expand All @@ -132,6 +130,14 @@ impl Thread {
}
}

#[cfg(target_os = "linux")]
pub fn set_name(name: &CStr) {
unsafe {
// Available since glibc 2.12, musl 1.1.16, and uClibc 1.0.20.
libc::pthread_setname_np(libc::pthread_self(), name.as_ptr());
}
}

#[cfg(any(target_os = "freebsd", target_os = "dragonfly", target_os = "openbsd"))]
pub fn set_name(name: &CStr) {
unsafe {
Expand Down