[BUILTIN] Add support for ulimit -r
I recently found myself in need to have dash support 'ulimit -r' to
set maximum realtime priority. Attached is a patch that adds the
parameter to the builtin ulimit command and updates the manpage.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/ChangeLog b/ChangeLog
index c84aa7e..d84d3b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-06-09 Christoph Mathys <eraserix@gmail.com>
+
+ * Add support for ulimit -r.
+
2012-03-11 Jim Meyering <meyering@redhat.com>
* Avoid overflow for very long variable name.
diff --git a/src/dash.1 b/src/dash.1
index 3847d98..a9cb491 100644
--- a/src/dash.1
+++ b/src/dash.1
@@ -2163,6 +2163,8 @@
have at one time
.It Fl n
show or set the limit on the number files a process can have open at once
+.It Fl r
+show or set the limit on the real-time scheduling priority of a process
.El
.Pp
If none of these is specified, it is the limit on file size that is shown
diff --git a/src/miscbltin.c b/src/miscbltin.c
index e354df4..b596fd2 100644
--- a/src/miscbltin.c
+++ b/src/miscbltin.c
@@ -392,6 +392,9 @@
#ifdef RLIMIT_LOCKS
{ "locks", RLIMIT_LOCKS, 1, 'w' },
#endif
+#ifdef RLIMIT_RTPRIO
+ { "rtprio", RLIMIT_RTPRIO, 1, 'r' },
+#endif
{ (char *) 0, 0, 0, '\0' }
};
