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authorChristoph Mathys <eraserix@gmail.com>2012-07-03 17:36:01 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2012-07-03 17:36:01 +0800
commit46abc8c6d8a5e9a5712bdc1312c0b6960eec65a4 (patch)
treee83c297de3cfa32ab1b05ce24b489af55fc21a20
parentAvoid overflow for very long variable name (diff)
downloaddash-46abc8c6d8a5e9a5712bdc1312c0b6960eec65a4.tar.gz
dash-46abc8c6d8a5e9a5712bdc1312c0b6960eec65a4.zip
[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>
-rw-r--r--ChangeLog4
-rw-r--r--src/dash.12
-rw-r--r--src/miscbltin.c3
3 files changed, 9 insertions, 0 deletions
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 @@ show or set the limit on the number of processes this user can
 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 @@ static const struct limits limits[] = {
 #ifdef RLIMIT_LOCKS
 	{ "locks",			RLIMIT_LOCKS,	   1, 'w' },
 #endif
+#ifdef RLIMIT_RTPRIO
+	{ "rtprio",			RLIMIT_RTPRIO,	   1, 'r' },
+#endif
 	{ (char *) 0,			0,		   0,  '\0' }
 };