From 7177da7d62891fc1ccf30c81f9983414a1dd2e23 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Tue, 17 Sep 2024 15:59:22 +0300
Subject: [PATCH] LibC: Implement dummy get_rusage

One port seems to use this function. This dummy just reports no used CPU
time for current process nor children
---
 userspace/libraries/LibC/sys/resource.cpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/userspace/libraries/LibC/sys/resource.cpp b/userspace/libraries/LibC/sys/resource.cpp
index e21c99a1..aca16eae 100644
--- a/userspace/libraries/LibC/sys/resource.cpp
+++ b/userspace/libraries/LibC/sys/resource.cpp
@@ -1,7 +1,20 @@
 #include <BAN/Assert.h>
+#include <errno.h>
 #include <sys/resource.h>
 
-int getrusage(int, struct rusage*)
+int getrusage(int who, struct rusage* r_usage)
 {
-	ASSERT_NOT_REACHED();
+	if (who != RUSAGE_CHILDREN && who != RUSAGE_SELF)
+	{
+		errno = EINVAL;
+		return -1;
+	}
+
+	r_usage->ru_stime.tv_sec = 0;
+	r_usage->ru_stime.tv_usec = 0;
+
+	r_usage->ru_utime.tv_sec = 0;
+	r_usage->ru_utime.tv_usec = 0;
+
+	return 0;
 }