diff options
| author | bors <bors@rust-lang.org> | 2024-06-02 15:42:33 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2024-06-02 15:42:33 +0000 |
| commit | eda9d7f987de76b9d61c633a6ac328936e1b94f0 (patch) | |
| tree | f998c827b8c7aae3cb09616f9a22379167d76b6e /library/std | |
| parent | 5e6c2b6092d63705368cfb96c91188f77b722eaf (diff) | |
| parent | 073e5d4a2a5eff241b87bafeb636b0c94f2f3f47 (diff) | |
| download | rust-eda9d7f987de76b9d61c633a6ac328936e1b94f0.tar.gz rust-eda9d7f987de76b9d61c633a6ac328936e1b94f0.zip | |
Auto merge of #125577 - devnexen:netbsd_stack_min, r=joboet
std::pal::unix::thread fetching min stack size on netbsd. PTHREAD_STACK_MIN is not defined however sysconf/_SC_THREAD_STACK_MIN returns it as it can vary from arch to another.
Diffstat (limited to 'library/std')
| -rw-r--r-- | library/std/src/sys/pal/unix/thread.rs | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/library/std/src/sys/pal/unix/thread.rs b/library/std/src/sys/pal/unix/thread.rs index 853ef8736de..1ab54ec57c3 100644 --- a/library/std/src/sys/pal/unix/thread.rs +++ b/library/std/src/sys/pal/unix/thread.rs @@ -717,5 +717,14 @@ unsafe fn min_stack_size(_: *const libc::pthread_attr_t) -> usize { #[cfg(target_os = "netbsd")] unsafe fn min_stack_size(_: *const libc::pthread_attr_t) -> usize { - 2048 // just a guess + static STACK: crate::sync::OnceLock<usize> = crate::sync::OnceLock::new(); + + *STACK.get_or_init(|| { + let mut stack = unsafe { libc::sysconf(libc::_SC_THREAD_STACK_MIN) }; + if stack < 0 { + stack = 2048; // just a guess + } + + stack as usize + }) } |