1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/timeout_watchdog.c b/contrib/timeout_watchdog.c
new file mode 100644
index 0000000..a33f67a
--- /dev/null
+++ b/contrib/timeout_watchdog.c
@@ -0,0 +1,113 @@
+/*
+     This file is part of GNUnet
+     (C) 2010 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file contrib/timeout_watchdog.c
+ * @brief small tool starting a child process, waiting that it terminates or killing it after a given timeout period
+ * @author Matthias Wachs
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static pid_t child;
+
+static void
+sigchld_handler (int val)
+{
+  int status = 0;
+  int ret = 0;
+
+  waitpid (child, &status, 0);
+  if (WIFEXITED (status) != 0)
+    {
+      ret = WEXITSTATUS (status);
+      printf ("Test process exited with result %u\n", ret);
+    }
+  if (WIFSIGNALED (status) != 0)
+    {
+      ret = WTERMSIG (status);
+      printf ("Test process was signaled %u\n", ret);
+    }
+  exit (ret);
+}
+
+static void
+sigint_handler (int val)
+{
+  kill (0, val);
+  exit (val);
+}
+
+int
+main (int argc, char *argv[])
+{
+  int timeout = 0;
+  pid_t gpid = 0;
+
+  if (argc < 3)
+    {
+      printf
+	("arg 1: timeout in sec., arg 2: executable, arg<n> arguments\n");
+      exit (1);
+    }
+
+  timeout = atoi (argv[1]);
+
+  if (timeout == 0)
+    timeout = 600;
+
+/* with getpgid() it does not compile, but getpgrp is the BSD version and working */
+  gpid = getpgrp ();
+
+  signal (SIGCHLD, sigchld_handler);
+  signal (SIGABRT, sigint_handler);
+  signal (SIGFPE, sigint_handler);
+  signal (SIGILL, sigint_handler);
+  signal (SIGINT, sigint_handler);
+  signal (SIGSEGV, sigint_handler);
+  signal (SIGTERM, sigint_handler);
+
+  child = fork ();
+  if (child == 0)
+    {
+      /*  int setpgrp(pid_t pid, pid_t pgid); is not working on this machine */
+      //setpgrp (0, pid_t gpid);
+      if (-1 != gpid)
+	setpgid (0, gpid);
+      execvp (argv[2], &argv[2]);
+      exit (1);
+    }
+  if (child > 0)
+    {
+      sleep (timeout);
+      printf ("Child processes were killed after timeout of %u seconds\n",
+	      timeout);
+      kill (0, SIGTERM);
+      exit (1);
+    }
+  exit (1);
+}
+
+/* end of timeout_watchdog.c */