svn commit: r262690 - head/lib/libprocstat

[Robert Watson]

Author: rwatson
Date: Sun Mar  2 13:26:08 2014
New Revision: 262690
URL: http://svnweb.freebsd.org/changeset/base/262690

Log:
  When querying a process's umask via sysctl in libprocstat(), don't
  print a warning if EPERM is returned as this is an expected failure
  mode rather than error -- similar to current handling of ESRCH.
  This makes the output of 'procstat -as' vastly more palatable.
  
  MFC after:	3 days
  Sponsored by:	DARPA, AFRL

Modified:
  head/lib/libprocstat/libprocstat.c

Modified: head/lib/libprocstat/libprocstat.c
==============================================================================
--- head/lib/libprocstat/libprocstat.c	Sun Mar  2 13:12:06 2014	(r262689)
+++ head/lib/libprocstat/libprocstat.c	Sun Mar  2 13:26:08 2014	(r262690)
@@ -2052,7 +2052,7 @@ procstat_getumask_sysctl(pid_t pid, unsi
 	mib[3] = pid;
 	len = sizeof(*maskp);
 	error = sysctl(mib, 4, maskp, &len, NULL, 0);
-	if (error != 0 && errno != ESRCH)
+	if (error != 0 && errno != ESRCH && errno != EPERM)
 		warn("sysctl: kern.proc.umask: %d", pid);
 	return (error);
 }