Initial Pintos

1 files changed, 27 insertions, 0 deletions

diff --git a/src/examples/busy.c b/src/examples/busy.c
new file mode 100644
index 0000000..cec5fcf
--- /dev/null
+++ b/src/examples/busy.c
@@ -0,0 +1,27 @@
+/* klaar@ida
+
+   Just do some work, and then exit with status given by first
+   argument.
+
+   Normally called by some parent test program.
+ */
+
+#include <syscall.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int main (int argc, char* argv[])
+{
+  int i;
+  
+  if (argc != 2)
+    return 0;
+  
+  for(i = 0; i < 200000; i++)
+  {
+    int a = (i * i) + (i * i);
+    int b = i;
+    i = a; a = b; i = b;
+  }
+  return atoi(argv[1]);
+}