Auto merge of #18183 - lnicola:sync-from-rust, r=lnicola

internal: Sync from downstream

1 files changed, 16 insertions, 10 deletions

diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs
index 9ff44b54c41..e0a0d0973c6 100644
--- a/library/std/src/sys/pal/unix/stack_overflow.rs
+++ b/library/std/src/sys/pal/unix/stack_overflow.rs
@@ -32,24 +32,24 @@ impl Drop for Handler {
     target_os = "macos",
     target_os = "netbsd",
     target_os = "openbsd",
-    target_os = "solaris"
+    target_os = "solaris",
+    target_os = "illumos",
 ))]
 mod imp {
+    use libc::{
+        MAP_ANON, MAP_FAILED, MAP_FIXED, MAP_PRIVATE, PROT_NONE, PROT_READ, PROT_WRITE, SA_ONSTACK,
+        SA_SIGINFO, SIG_DFL, SIGBUS, SIGSEGV, SS_DISABLE, sigaction, sigaltstack, sighandler_t,
+    };
     #[cfg(not(all(target_os = "linux", target_env = "gnu")))]
     use libc::{mmap as mmap64, mprotect, munmap};
     #[cfg(all(target_os = "linux", target_env = "gnu"))]
     use libc::{mmap64, mprotect, munmap};
-    use libc::{
-        sigaction, sigaltstack, sighandler_t, MAP_ANON, MAP_FAILED, MAP_FIXED, MAP_PRIVATE,
-        PROT_NONE, PROT_READ, PROT_WRITE, SA_ONSTACK, SA_SIGINFO, SIGBUS, SIGSEGV, SIG_DFL,
-        SS_DISABLE,
-    };
 
     use super::Handler;
     use crate::cell::Cell;
     use crate::ops::Range;
-    use crate::sync::atomic::{AtomicBool, AtomicPtr, AtomicUsize, Ordering};
     use crate::sync::OnceLock;
+    use crate::sync::atomic::{AtomicBool, AtomicPtr, AtomicUsize, Ordering};
     use crate::sys::pal::unix::os;
     use crate::{io, mem, ptr, thread};
 
@@ -280,7 +280,7 @@ mod imp {
         libc::SIGSTKSZ
     }
 
-    #[cfg(target_os = "solaris")]
+    #[cfg(any(target_os = "solaris", target_os = "illumos"))]
     unsafe fn get_stack_start() -> Option<*mut libc::c_void> {
         let mut current_stack: libc::stack_t = crate::mem::zeroed();
         assert_eq!(libc::stack_getbounds(&mut current_stack), 0);
@@ -486,7 +486,12 @@ mod imp {
         Some(guardaddr..guardaddr + page_size)
     }
 
-    #[cfg(any(target_os = "macos", target_os = "openbsd", target_os = "solaris"))]
+    #[cfg(any(
+        target_os = "macos",
+        target_os = "openbsd",
+        target_os = "solaris",
+        target_os = "illumos",
+    ))]
     // FIXME: I am probably not unsafe.
     unsafe fn current_guard() -> Option<Range<usize>> {
         let stackptr = get_stack_start()?;
@@ -569,7 +574,8 @@ mod imp {
     target_os = "macos",
     target_os = "netbsd",
     target_os = "openbsd",
-    target_os = "solaris"
+    target_os = "solaris",
+    target_os = "illumos",
 )))]
 mod imp {
     pub unsafe fn init() {}