svn commit: r337035 - stable/10/sys/kern

[Hans Petter Selasky]

Author: hselasky
Date: Wed Aug  1 10:35:49 2018
New Revision: 337035
URL: https://svnweb.freebsd.org/changeset/base/337035

Log:
  MFC r330344:
  Correct the return code from pause() during cold startup from zero to
  EWOULDBLOCK. This also matches the description in pause(9).
  
  Discussed with:	kib@
  Sponsored by:	Mellanox Technologies

Modified:
  stable/10/sys/kern/kern_synch.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/kern/kern_synch.c
==============================================================================
--- stable/10/sys/kern/kern_synch.c	Wed Aug  1 10:34:53 2018	(r337034)
+++ stable/10/sys/kern/kern_synch.c	Wed Aug  1 10:35:49 2018	(r337035)
@@ -362,7 +362,7 @@ pause_sbt(const char *wmesg, sbintime_t sbt, sbintime_
 		sbt = (sbt + SBT_1US - 1) / SBT_1US;
 		if (sbt > 0)
 			DELAY(sbt);
-		return (0);
+		return (EWOULDBLOCK);
 	}
 	return (_sleep(&pause_wchan[curcpu], NULL,
 	    (flags & C_CATCH) ? PCATCH : 0, wmesg, sbt, pr, flags));