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/examples/recursor.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/examples/recursor.c (limited to 'src/examples/recursor.c') 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 +#include +#include + +int +main (int argc, char *argv[]) +{ + char buffer[128]; + pid_t pid; + int retval = 0; + + if (argc != 4) + { + printf ("usage: recursor \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); +} -- cgit v1.2.1