make barrier linux-only for now as mutex/cndvars are only defined for it

Author: uzairnawaz

libc/src/__support/threads/CMakeLists.txt

@@ -90,17 +90,6 @@ if(TARGET libc.src.__support.threads.${LIBC_TARGET_OS}.CndVar)
   )
 endif()
 
-add_object_library(
-  barrier
-  HDRS
-    barrier.h
-  SRCS
-    barrier.cpp
-  DEPENDS
-    .CndVar
-    .mutex
-)
-
 if (LLVM_LIBC_FULL_BUILD)
   set(identifier_dependency_on_thread libc.src.__support.threads.thread)
 endif()

libc/src/__support/threads/linux/CMakeLists.txt

@@ -121,3 +121,14 @@ add_object_library(
     libc.src.__support.threads.linux.raw_mutex
     libc.src.__support.CPP.mutex
 )
+
+add_object_library(
+  barrier
+  HDRS
+    barrier.h
+  SRCS
+    barrier.cpp
+  DEPENDS
+    libc.src.__support.threads.CndVar
+    libc.src.__support.threads.mutex
+)

libc/src/__support/threads/barrier.cpp renamed to libc/src/__support/threads/linux/barrier.cpp

@@ -6,8 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "src/__support/threads/barrier.h"
-#include "barrier.h"
+#include "src/__support/threads/linux/barrier.h"
 #include "hdr/errno_macros.h"
 #include "src/__support/threads/CndVar.h"
 #include "src/__support/threads/mutex.h"

libc/src/__support/threads/barrier.h renamed to libc/src/__support/threads/linux/barrier.h

@@ -280,7 +280,7 @@ add_entrypoint_object(
   DEPENDS
     libc.src.errno.errno
     libc.include.pthread
-    libc.src.__support.threads.barrier
+    libc.src.__support.threads.linux.barrier
 )
 
 add_entrypoint_object(
@@ -291,7 +291,7 @@ add_entrypoint_object(
     pthread_barrier_destroy.h
   DEPENDS
     libc.include.pthread
-    libc.src.__support.threads.barrier
+    libc.src.__support.threads.linux.barrier
 )
 
 add_entrypoint_object(
@@ -302,7 +302,7 @@ add_entrypoint_object(
     pthread_barrier_wait.h
   DEPENDS
     libc.include.pthread
-    libc.src.__support.threads.barrier
+    libc.src.__support.threads.linux.barrier
 )
 
 add_entrypoint_object(

libc/src/pthread/CMakeLists.txt

@@ -11,7 +11,7 @@
 #include "hdr/types/pthread_barrier_t.h"
 #include "src/__support/common.h"
 #include "src/__support/macros/config.h"
-#include "src/__support/threads/barrier.h"
+#include "src/__support/threads/linux/barrier.h"
 
 namespace LIBC_NAMESPACE_DECL {
 

libc/src/pthread/pthread_barrier_destroy.cpp

@@ -12,7 +12,7 @@
 #include "hdr/types/pthread_barrierattr_t.h"
 #include "src/__support/common.h"
 #include "src/__support/macros/config.h"
-#include "src/__support/threads/barrier.h"
+#include "src/__support/threads/linux/barrier.h"
 
 namespace LIBC_NAMESPACE_DECL {
 

libc/src/pthread/pthread_barrier_init.cpp

@@ -11,7 +11,7 @@
 #include "hdr/types/pthread_barrier_t.h"
 #include "src/__support/common.h"
 #include "src/__support/macros/config.h"
-#include "src/__support/threads/barrier.h"
+#include "src/__support/threads/linux/barrier.h"
 
 namespace LIBC_NAMESPACE_DECL {