[libc-commits] [libc] [libc] enable mutex/rwlock/spin on macOS (PR #189973)

[Schrodinger ZHU Yifan via libc-commits]

https://github.com/SchrodingerZhu created https://github.com/llvm/llvm-project/pull/189973

None

>From 7196a835a402ecb85a3c8895fd223dd34290eef2 Mon Sep 17 00:00:00 2001
From: Schrodinger ZHU Yifan <i at zhuyi.fan>
Date: Wed, 1 Apr 2026 11:01:32 -0400
Subject: [PATCH] [libc] enable mutex/rwlock/spin on macOS

---
 libc/config/darwin/aarch64/entrypoints.txt | 36 ++++++++++++++++++++++
 libc/config/darwin/x86_64/entrypoints.txt  | 36 ++++++++++++++++++++++
 libc/src/CMakeLists.txt                    |  2 +-
 3 files changed, 73 insertions(+), 1 deletion(-)

diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index 0888f4b0d922b..363f6d37b65b6 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -100,6 +100,42 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.realloc
     libc.src.stdlib.free
 
+    # pthread.h entrypoints
+    libc.src.pthread.pthread_mutex_destroy
+    libc.src.pthread.pthread_mutex_init
+    libc.src.pthread.pthread_mutex_lock
+    libc.src.pthread.pthread_mutex_unlock
+    libc.src.pthread.pthread_mutexattr_destroy
+    libc.src.pthread.pthread_mutexattr_getpshared
+    libc.src.pthread.pthread_mutexattr_getrobust
+    libc.src.pthread.pthread_mutexattr_gettype
+    libc.src.pthread.pthread_mutexattr_init
+    libc.src.pthread.pthread_mutexattr_setpshared
+    libc.src.pthread.pthread_mutexattr_setrobust
+    libc.src.pthread.pthread_mutexattr_settype
+    libc.src.pthread.pthread_rwlock_clockrdlock
+    libc.src.pthread.pthread_rwlock_clockwrlock
+    libc.src.pthread.pthread_rwlock_destroy
+    libc.src.pthread.pthread_rwlock_init
+    libc.src.pthread.pthread_rwlock_rdlock
+    libc.src.pthread.pthread_rwlock_timedrdlock
+    libc.src.pthread.pthread_rwlock_timedwrlock
+    libc.src.pthread.pthread_rwlock_tryrdlock
+    libc.src.pthread.pthread_rwlock_trywrlock
+    libc.src.pthread.pthread_rwlock_unlock
+    libc.src.pthread.pthread_rwlock_wrlock
+    libc.src.pthread.pthread_rwlockattr_destroy
+    libc.src.pthread.pthread_rwlockattr_getkind_np
+    libc.src.pthread.pthread_rwlockattr_getpshared
+    libc.src.pthread.pthread_rwlockattr_init
+    libc.src.pthread.pthread_rwlockattr_setkind_np
+    libc.src.pthread.pthread_rwlockattr_setpshared
+    libc.src.pthread.pthread_spin_destroy
+    libc.src.pthread.pthread_spin_init
+    libc.src.pthread.pthread_spin_lock
+    libc.src.pthread.pthread_spin_trylock
+    libc.src.pthread.pthread_spin_unlock
+
     # wctype.h entrypoints
     libc.src.wctype.iswalpha
     libc.src.wctype.iswgraph
diff --git a/libc/config/darwin/x86_64/entrypoints.txt b/libc/config/darwin/x86_64/entrypoints.txt
index 046d1b409742f..8e248554447dc 100644
--- a/libc/config/darwin/x86_64/entrypoints.txt
+++ b/libc/config/darwin/x86_64/entrypoints.txt
@@ -93,6 +93,42 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.calloc
     libc.src.stdlib.realloc
     libc.src.stdlib.free
+
+    # pthread.h entrypoints
+    libc.src.pthread.pthread_mutex_destroy
+    libc.src.pthread.pthread_mutex_init
+    libc.src.pthread.pthread_mutex_lock
+    libc.src.pthread.pthread_mutex_unlock
+    libc.src.pthread.pthread_mutexattr_destroy
+    libc.src.pthread.pthread_mutexattr_getpshared
+    libc.src.pthread.pthread_mutexattr_getrobust
+    libc.src.pthread.pthread_mutexattr_gettype
+    libc.src.pthread.pthread_mutexattr_init
+    libc.src.pthread.pthread_mutexattr_setpshared
+    libc.src.pthread.pthread_mutexattr_setrobust
+    libc.src.pthread.pthread_mutexattr_settype
+    libc.src.pthread.pthread_rwlock_clockrdlock
+    libc.src.pthread.pthread_rwlock_clockwrlock
+    libc.src.pthread.pthread_rwlock_destroy
+    libc.src.pthread.pthread_rwlock_init
+    libc.src.pthread.pthread_rwlock_rdlock
+    libc.src.pthread.pthread_rwlock_timedrdlock
+    libc.src.pthread.pthread_rwlock_timedwrlock
+    libc.src.pthread.pthread_rwlock_tryrdlock
+    libc.src.pthread.pthread_rwlock_trywrlock
+    libc.src.pthread.pthread_rwlock_unlock
+    libc.src.pthread.pthread_rwlock_wrlock
+    libc.src.pthread.pthread_rwlockattr_destroy
+    libc.src.pthread.pthread_rwlockattr_getkind_np
+    libc.src.pthread.pthread_rwlockattr_getpshared
+    libc.src.pthread.pthread_rwlockattr_init
+    libc.src.pthread.pthread_rwlockattr_setkind_np
+    libc.src.pthread.pthread_rwlockattr_setpshared
+    libc.src.pthread.pthread_spin_destroy
+    libc.src.pthread.pthread_spin_init
+    libc.src.pthread.pthread_spin_lock
+    libc.src.pthread.pthread_spin_trylock
+    libc.src.pthread.pthread_spin_unlock
 )
 
 set(TARGET_LIBM_ENTRYPOINTS
diff --git a/libc/src/CMakeLists.txt b/libc/src/CMakeLists.txt
index 8a0acccaed708..d4189051bb6cb 100644
--- a/libc/src/CMakeLists.txt
+++ b/libc/src/CMakeLists.txt
@@ -18,12 +18,12 @@ add_subdirectory(time)
 add_subdirectory(unistd)
 add_subdirectory(wchar)
 add_subdirectory(wctype)
+add_subdirectory(pthread)
 
 if(${LIBC_TARGET_OS} STREQUAL "linux")
   add_subdirectory(dirent)
   add_subdirectory(fcntl)
   add_subdirectory(poll)
-  add_subdirectory(pthread)
   add_subdirectory(sched)
   add_subdirectory(sys)
   add_subdirectory(termios)