Do not map {s|g}etrlimit onto FreeBSD syscalls. The arguments don't match.

The linux syscalls translate the arguments first before invoking the
FreeBSD native syscalls.

PR: kern/9591
Originator: John Plevyak <jplevyak@inktomi.com>

1 files changed, 52 insertions, 1 deletions

diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 4efbf2e..a822beb 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *  $Id: linux_misc.c,v 1.59 1999/07/05 19:18:03 marcel Exp $
+ *  $Id: linux_misc.c,v 1.60 1999/08/08 11:26:46 marcel Exp $
  */
 
 #include <sys/param.h>
@@ -60,6 +60,15 @@
 #include <i386/linux/linux_proto.h>
 #include <i386/linux/linux_util.h>
 
+int osetrlimit __P((struct proc*, struct linux_setrlimit_args*));
+int ogetrlimit __P((struct proc*, struct linux_getrlimit_args*));
+
+static unsigned int linux_to_bsd_resource[LINUX_RLIM_NLIMITS] =
+{ RLIMIT_CPU, RLIMIT_FSIZE, RLIMIT_DATA, RLIMIT_STACK,
+  RLIMIT_CORE, RLIMIT_RSS, RLIMIT_NPROC, RLIMIT_NOFILE,
+  RLIMIT_MEMLOCK, -1
+};
+
 int
 linux_alarm(struct proc *p, struct linux_alarm_args *args)
 {
@@ -1198,3 +1207,45 @@ linux_getgroups(p, uap)
   p->p_retval[0] = ngrp;
   return (0);
 }
+
+int
+linux_setrlimit(p, uap)
+     struct proc *p;
+     struct linux_setrlimit_args *uap;
+{
+#ifdef DEBUG
+    printf("Linux-emul(%ld): setrlimit(%d, %p)\n",
+	   (long)p->p_pid, uap->resource, (void *)uap->rlim);
+#endif
+
+    if (uap->resource >= LINUX_RLIM_NLIMITS)
+	return EINVAL;
+
+    uap->resource = linux_to_bsd_resource[uap->resource];
+
+    if (uap->resource == -1)
+	return EINVAL;
+
+    return osetrlimit(p, uap);
+}
+
+int
+linux_getrlimit(p, uap)
+     struct proc *p;
+     struct linux_getrlimit_args *uap;
+{
+#ifdef DEBUG
+    printf("Linux-emul(%ld): getrlimit(%d, %p)\n",
+	   (long)p->p_pid, uap->resource, (void *)uap->rlim);
+#endif
+
+    if (uap->resource >= LINUX_RLIM_NLIMITS)
+	return EINVAL;
+
+    uap->resource = linux_to_bsd_resource[uap->resource];
+
+    if (uap->resource == -1)
+	return EINVAL;
+
+    return ogetrlimit(p, uap);
+}