svn commit: r356994 - head/include

[Kyle Evans]

Author: kevans
Date: Wed Jan 22 20:53:25 2020
New Revision: 356994
URL: https://svnweb.freebsd.org/changeset/base/356994

Log:
  Mark rfork(2) as __returns_twice
  
  rfork is not generally a built-in that would be recognized as behaving like
  vfork/fork; provide the hint.

Modified:
  head/include/unistd.h

Modified: head/include/unistd.h
==============================================================================
--- head/include/unistd.h	Wed Jan 22 20:36:45 2020	(r356993)
+++ head/include/unistd.h	Wed Jan 22 20:53:25 2020	(r356994)
@@ -552,7 +552,7 @@ char	*re_comp(const char *);
 int	 re_exec(const char *);
 int	 reboot(int);
 int	 revoke(const char *);
-pid_t	 rfork(int);
+pid_t	 rfork(int) __returns_twice;
 pid_t	 rfork_thread(int, void *, int (*)(void *), void *);
 int	 rresvport(int *);
 int	 rresvport_af(int *, int);