From b190462ddb90527b2356c532ac708091b6f8efcf Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 16 Aug 2024 21:38:13 +0100
Subject: [PATCH] adding aligned_alloc support for unixes.

close #3689

(backport <https://github.com/rust-lang/libc/pull/3843>)
(cherry picked from commit f136b309a9c6128ffe7ca6dec7043b1f31a8e80e)
---
 libc-test/semver/unix.txt | 1 +
 src/unix/mod.rs           | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libc-test/semver/unix.txt b/libc-test/semver/unix.txt
index 6a18038c48ae3..093dde173137c 100644
--- a/libc-test/semver/unix.txt
+++ b/libc-test/semver/unix.txt
@@ -453,6 +453,7 @@ accept
 access
 addrinfo
 alarm
+aligned_alloc
 atexit
 atof
 atoi
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 0a290b734a3d1..ebbf42d8140e2 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -940,6 +940,7 @@ extern "C" {
     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
     pub fn posix_memalign(memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t) -> ::c_int;
+    pub fn aligned_alloc(alignment: ::size_t, size: ::size_t) -> *mut ::c_void;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
         link_name = "read$UNIX2003"