Auto merge of #3167 - devnexen:fbsd_map_aligned, r=JohnTitor

freebsd add MAP_ALIGNED macro
rust-lang · Apr 5, 2023 · b9ae4b5 · b9ae4b5
2 parents 66171ee + e6c1c65
commit b9ae4b5
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diff --git 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
@@ -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