Name worker threads using pthread_setname_np

This helps identify threads in gdb particularly in processes with a
lot of threads.

1 files changed, 5 insertions, 2 deletions

diff --git a/rts/posix/OSThreads.c b/rts/posix/OSThreads.c
index e627babd98..e880b891d6 100644
--- a/rts/posix/OSThreads.c
+++ b/rts/posix/OSThreads.c
@@ -129,11 +129,14 @@ shutdownThread(void)
 }
 
 int
-createOSThread (OSThreadId* pId, OSThreadProc *startProc, void *param)
+createOSThread (OSThreadId* pId, char *name,
+                OSThreadProc *startProc, void *param)
 {
   int result = pthread_create(pId, NULL, (void *(*)(void *))startProc, param);
-  if(!result)
+  if (!result) {
     pthread_detach(*pId);
+    pthread_setname_np(*pId, name);
+  }
   return result;
 }