svn commit: r349982 - stable/12/lib/libthr/thread

[Konstantin Belousov]

Author: kib
Date: Sun Jul 14 05:39:02 2019
New Revision: 349982
URL: https://svnweb.freebsd.org/changeset/base/349982

Log:
  MFC r349912:
  Restore ability to pass NULL name argument to pthread_set_name_np(3)
  to clear the thread name.
  
  PR:	239142

Modified:
  stable/12/lib/libthr/thread/thr_info.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/lib/libthr/thread/thr_info.c
==============================================================================
--- stable/12/lib/libthr/thread/thr_info.c	Sun Jul 14 03:49:48 2019	(r349981)
+++ stable/12/lib/libthr/thread/thr_info.c	Sun Jul 14 05:39:02 2019	(r349982)
@@ -52,7 +52,7 @@ thr_set_name_np(struct pthread *thread, const char *na
 {
 
 	free(thread->name);
-	thread->name = strdup(name);
+	thread->name = name != NULL ? strdup(name) : NULL;
 }
 
 /* Set the thread name for debug. */