From d4522b8e9854178473adcea0fbb84f23f6e744bd Mon Sep 17 00:00:00 2001 From: Felipe Boeira Date: Tue, 8 Jan 2019 18:39:03 +0100 Subject: Initial commit --- src/tests/userprog/multi-recurse.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/tests/userprog/multi-recurse.c (limited to 'src/tests/userprog/multi-recurse.c') diff --git a/src/tests/userprog/multi-recurse.c b/src/tests/userprog/multi-recurse.c new file mode 100644 index 0000000..7172ec3 --- /dev/null +++ b/src/tests/userprog/multi-recurse.c @@ -0,0 +1,34 @@ +/* Executes itself recursively to the depth indicated by the + first command-line argument. */ + +#include +#include +#include +#include +#include "tests/lib.h" + +const char *test_name = "multi-recurse"; + +int +main (int argc UNUSED, char *argv[]) +{ + int n = atoi (argv[1]); + + msg ("begin %d", n); + if (n != 0) + { + char child_cmd[128]; + pid_t child_pid; + int code; + + snprintf (child_cmd, sizeof child_cmd, "multi-recurse %d", n - 1); + CHECK ((child_pid = exec (child_cmd)) != -1, "exec(\"%s\")", child_cmd); + + code = wait (child_pid); + if (code != n - 1) + fail ("wait(exec(\"%s\")) returned %d", child_cmd, code); + } + + msg ("end %d", n); + return n; +} -- cgit v1.2.1