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Auto merge of #114967 - japaric:ja-gh114966, r=Mark-Simulacrum

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QNX: pass a truncated thread name to the OS

The maximum length the thread name can have is `_NTO_THREAD_NAME_MAX`

fixes #114966
This commit is contained in:
bors 2023-09-10 23:55:38 +00:00
commit 9d311f9e2d
1 changed files with 4 additions and 0 deletions
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4
library/std/src/sys/unix/thread.rs
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@ -182,6 +182,9 @@ impl Thread {
}
if let Some(f) = pthread_setname_np.get() {
#[cfg(target_os = "nto")]
let name = truncate_cstr::<{ libc::_NTO_THREAD_NAME_MAX as usize }>(name);
let res = unsafe { f(libc::pthread_self(), name.as_ptr()) };
debug_assert_eq!(res, 0);
}
@ -290,6 +293,7 @@ impl Drop for Thread {
target_os = "ios",
target_os = "tvos",
target_os = "watchos",
target_os = "nto",
))]
fn truncate_cstr<const MAX_WITH_NUL: usize>(cstr: &CStr) -> [libc::c_char; MAX_WITH_NUL] {
let mut result = [0; MAX_WITH_NUL];