From 1d3d5aaa881bec2206d306a3cf68c8ffdaabcd22 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Mon, 23 Oct 2023 22:00:13 +0100
Subject: [PATCH] stack_overflow: get_stackp using MAP_STACK flag on
dragonflybsd too.
---
library/std/src/sys/unix/stack_overflow.rs | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/library/std/src/sys/unix/stack_overflow.rs b/library/std/src/sys/unix/stack_overflow.rs
index 73c530786b2fe..3dbab4cc48643 100644
--- a/library/std/src/sys/unix/stack_overflow.rs
+++ b/library/std/src/sys/unix/stack_overflow.rs
@@ -134,9 +134,19 @@ mod imp {
// OpenBSD requires this flag for stack mapping
// otherwise the said mapping will fail as a no-op on most systems
// and has a different meaning on FreeBSD
- #[cfg(any(target_os = "openbsd", target_os = "netbsd", target_os = "linux",))]
+ #[cfg(any(
+ target_os = "openbsd",
+ target_os = "netbsd",
+ target_os = "linux",
+ target_os = "dragonfly",
+ ))]
let flags = MAP_PRIVATE | MAP_ANON | libc::MAP_STACK;
- #[cfg(not(any(target_os = "openbsd", target_os = "netbsd", target_os = "linux",)))]
+ #[cfg(not(any(
+ target_os = "openbsd",
+ target_os = "netbsd",
+ target_os = "linux",
+ target_os = "dragonfly",
+ )))]
let flags = MAP_PRIVATE | MAP_ANON;
let stackp =
mmap64(ptr::null_mut(), SIGSTKSZ + page_size(), PROT_READ | PROT_WRITE, flags, -1, 0);