Updated the descriptions of the limits related to EAGAIN.

Changed the error name width for rfork to match fork.

1 files changed, 18 insertions, 4 deletions

diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index b8d465a..e4bb7ef 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -88,13 +88,27 @@ will fail and no child process will be created if:
 .It Bq Er EAGAIN
 The system-imposed limit on the total
 number of processes under execution would be exceeded.
-This limit is configuration-dependent.
+The limit is given by the
+.Xr sysctl 3
+MIB variable
+.Dv KERN_MAXPROC .
+(The limit is actually one less than this
+except for the super user).
 .It Bq Er EAGAIN
-The system-imposed limit
-.Dv MAXUPRC
-.Pq Aq Pa sys/param.h
+The user is not the super user, and
+the system-imposed limit
 on the total number of
 processes under execution by a single user would be exceeded.
+The limit is given by the
+.Xr sysctl 3
+MIB variable
+.Dv KERN_MAXPROCPERUID .
+.It Bq Er EAGAIN
+The user is not the super user, and
+the soft resource limit corresponding to the resource parameter
+.Dv RLIMIT_NOFILE
+would be exceeded (see
+.Xr getrlimit 2 ) .
 .It Bq Er ENOMEM
 There is insufficient swap space for the new process.
 .El