[PATCH] D58492: [clangd] Add thread priority lowering for MacOS as well

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: ilya-biryukov.
Herald added subscribers: cfe-commits, arphaman, jkorous, MaskRay, ioeric.
Herald added a project: clang.

Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D58492

Files:
  clangd/Threading.cpp


Index: clangd/Threading.cpp
===================================================================
--- clangd/Threading.cpp
+++ clangd/Threading.cpp
@@ -121,6 +121,12 @@
       Priority == ThreadPriority::Low && !AvoidThreadStarvation ? SCHED_IDLE
                                                                 : SCHED_OTHER,
       &priority);
+#elif defined(__APPLE__)
+  // 
https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpriority.2.html
+  setpriority(PRIO_DARWIN_THREAD, 0,
+              Priority == ThreadPriority::Low && !AvoidThreadStarvation
+                  ? PRIO_DARWIN_BG
+                  : 0);
 #endif
 }
 



Index: clangd/Threading.cpp
===================================================================
--- clangd/Threading.cpp
+++ clangd/Threading.cpp
@@ -121,6 +121,12 @@
       Priority == ThreadPriority::Low && !AvoidThreadStarvation ? SCHED_IDLE
                                                                 : SCHED_OTHER,
       &priority);
+#elif defined(__APPLE__)
+  // https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpriority.2.html
+  setpriority(PRIO_DARWIN_THREAD, 0,
+              Priority == ThreadPriority::Low && !AvoidThreadStarvation
+                  ? PRIO_DARWIN_BG
+                  : 0);
 #endif
 }
 

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