From e6c1c657cb83a11bfc119dab5d458b8699dbe6f9 Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Sat, 25 Mar 2023 17:38:48 +0000
Subject: [PATCH] freebsd add MAP_ALIGNED macro

---
 libc-test/semver/freebsd.txt            |  2 ++
 src/unix/bsd/freebsdlike/freebsd/mod.rs | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
index eadb4e9c73b56..5776e8a421471 100644
--- a/libc-test/semver/freebsd.txt
+++ b/libc-test/semver/freebsd.txt
@@ -705,6 +705,8 @@ MALLOCX_ARENA
 MALLOCX_ALIGN
 MALLOCX_TCACHE
 MALLOCX_ZERO
+MAP_ALIGNED
+MAP_ALIGNED_SUPER
 MAP_COPY
 MAP_EXCL
 MAP_FILE
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 55b520faabe21..2ee676d973dc6 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -4670,6 +4670,18 @@ pub const SCTP_ASSOC_RESET_FAILED: ::c_int = 0x0008;
 pub const SCTP_STREAM_CHANGE_DENIED: ::c_int = 0x0004;
 pub const SCTP_STREAM_CHANGE_FAILED: ::c_int = 0x0008;
 
+cfg_if! {
+    if #[cfg(libc_const_extern_fn)] {
+        pub const fn MAP_ALIGNED(a: ::c_int) -> ::c_int {
+            a << 24
+        }
+    } else {
+        pub fn MAP_ALIGNED(a: ::c_int) -> ::c_int {
+            a << 24
+        }
+    }
+}
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES