Revise makefile structure.

[pintos-anon] / src / tests / userprog / recursor.c

diff --git a/src/tests/userprog/recursor.c b/src/tests/userprog/recursor.c
new file mode 100644 (file)
index 0000000..b7422f1
--- /dev/null
+++ b/src/tests/userprog/recursor.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <syscall.h>
+
+int
+main (int argc, char *argv[])
+{
+  char buffer[128];
+  pid_t pid;
+  int retval = 0;
+
+  if (argc != 4) 
+    {
+      printf ("usage: recursor <string> <depth> <joinp>\n");
+      exit (1);
+    }
+
+  /* Print args. */
+  printf ("%s %s %s %s\n", argv[0], argv[1], argv[2], argv[3]);
+
+  /* Execute child and wait for it to finish if requested. */
+  snprintf (buffer, sizeof buffer,
+            "recursor fork %d %s", atoi (argv[2]) + 1, argv[3]);
+  pid = exec (buffer);
+  if (atoi (argv[3]))
+    retval = join (pid);
+
+  /* Done. */
+  printf ("%s: dying, retval=%d\n", argv[1], retval);
+  exit (retval);
+}