bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

QNX: pass a truncated thread name to the OS

Browse source 
The maximum length the thread name can have is `_NTO_THREAD_NAME_MAX`
This commit is contained in:
Jorge Aparicio 2023-08-18 14:47:12 +02:00
parent 0f7f6b7061
commit f58b2548dc
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
library/std/src/sys/unix/thread.rs
View file

@ -182,6 +182,9 @@ impl Thread {
} }
if let Some(f) = pthread_setname_np.get() { 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()) }; let res = unsafe { f(libc::pthread_self(), name.as_ptr()) };
debug_assert_eq!(res, 0); debug_assert_eq!(res, 0);
} }
@ -290,6 +293,7 @@ impl Drop for Thread {
target_os = "ios", target_os = "ios",
target_os = "tvos", target_os = "tvos",
target_os = "watchos", target_os = "watchos",
target_os = "nto",
))] ))]
fn truncate_cstr<const MAX_WITH_NUL: usize>(cstr: &CStr) -> [libc::c_char; MAX_WITH_NUL] { fn truncate_cstr<const MAX_WITH_NUL: usize>(cstr: &CStr) -> [libc::c_char; MAX_WITH_NUL] {
let mut result = [0; MAX_WITH_NUL]; let mut result = [0; MAX_WITH_NUL];