From b827732898bc52912d2428c9d2d004a3a22378f7 Mon Sep 17 00:00:00 2001
From: Amy Kwan <amy.kwan1@ibm.com>
Date: Fri, 7 Nov 2025 04:36:12 +0000
Subject: [PATCH] Enable std locking functions on AIX

This patch enables the std locking functions on AIX by including AIX on the list
of supported targets for the locking functions. Excluding AIX from the std
locking functions results to compilation errors such as: ("try_lock() not supported").
---
 library/std/src/sys/fs/unix.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/library/std/src/sys/fs/unix.rs b/library/std/src/sys/fs/unix.rs
index 129fccdbf4197..cadcfddb0f7f8 100644
--- a/library/std/src/sys/fs/unix.rs
+++ b/library/std/src/sys/fs/unix.rs
@@ -1296,6 +1296,7 @@ impl File {
         target_os = "openbsd",
         target_os = "cygwin",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     ))]
     pub fn lock(&self) -> io::Result<()> {
@@ -1321,6 +1322,7 @@ impl File {
         target_os = "cygwin",
         target_os = "solaris",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     )))]
     pub fn lock(&self) -> io::Result<()> {
@@ -1335,6 +1337,7 @@ impl File {
         target_os = "openbsd",
         target_os = "cygwin",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     ))]
     pub fn lock_shared(&self) -> io::Result<()> {
@@ -1360,6 +1363,7 @@ impl File {
         target_os = "cygwin",
         target_os = "solaris",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     )))]
     pub fn lock_shared(&self) -> io::Result<()> {
@@ -1374,6 +1378,7 @@ impl File {
         target_os = "openbsd",
         target_os = "cygwin",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     ))]
     pub fn try_lock(&self) -> Result<(), TryLockError> {
@@ -1415,6 +1420,7 @@ impl File {
         target_os = "cygwin",
         target_os = "solaris",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     )))]
     pub fn try_lock(&self) -> Result<(), TryLockError> {
@@ -1432,6 +1438,7 @@ impl File {
         target_os = "openbsd",
         target_os = "cygwin",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     ))]
     pub fn try_lock_shared(&self) -> Result<(), TryLockError> {
@@ -1473,6 +1480,7 @@ impl File {
         target_os = "cygwin",
         target_os = "solaris",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     )))]
     pub fn try_lock_shared(&self) -> Result<(), TryLockError> {
@@ -1490,6 +1498,7 @@ impl File {
         target_os = "openbsd",
         target_os = "cygwin",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     ))]
     pub fn unlock(&self) -> io::Result<()> {
@@ -1515,6 +1524,7 @@ impl File {
         target_os = "cygwin",
         target_os = "solaris",
         target_os = "illumos",
+        target_os = "aix",
         target_vendor = "apple",
     )))]
     pub fn unlock(&self) -> io::Result<()> {