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-rw-r--r--src/examples/recursor.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/examples/recursor.c b/src/examples/recursor.c
new file mode 100644
index 0000000..79c784a
--- /dev/null
+++ b/src/examples/recursor.c
@@ -0,0 +1,34 @@
+#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> <waitp>\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. */
+ if (atoi (argv[2]) != 0)
+ {
+ snprintf (buffer, sizeof buffer,
+ "recursor %s %d %s", argv[1], atoi (argv[2]) - 1, argv[3]);
+ pid = exec (buffer);
+ if (atoi (argv[3]))
+ retval = wait (pid);
+ }
+
+ /* Done. */
+ printf ("%s %s: dying, retval=%d\n", argv[1], argv[2], retval);
+ exit (retval);
+}