svn commit: r357180 - in stable: 11/include 12/include

[Kyle Evans]

Author: kevans
Date: Mon Jan 27 22:13:42 2020
New Revision: 357180
URL: https://svnweb.freebsd.org/changeset/base/357180

Log:
  MFC r356994: 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:
  stable/12/include/unistd.h
Directory Properties:
  stable/12/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/11/include/unistd.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/12/include/unistd.h
==============================================================================
--- stable/12/include/unistd.h	Mon Jan 27 20:47:18 2020	(r357179)
+++ stable/12/include/unistd.h	Mon Jan 27 22:13:42 2020	(r357180)
@@ -551,7 +551,7 @@ 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);