From 633c713f6a10312c0c627c858d85212590b47bf0 Mon Sep 17 00:00:00 2001
From: Matthias Wachs <wachs@net.in.tum.de>
Date: Mon, 28 Jun 2010 08:34:57 +0000
Subject: Added timeout_watchdog, a small helper tool for the buildbots

---
 contrib/timeout_watchdog.c | 115 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 contrib/timeout_watchdog.c

(limited to 'contrib')

diff --git a/contrib/timeout_watchdog.c b/contrib/timeout_watchdog.c
new file mode 100644
index 000000000..2fb4cd20b
--- /dev/null
+++ b/contrib/timeout_watchdog.c
@@ -0,0 +1,115 @@
+/*
+     This file is part of GNUnet
+     (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 2, 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 "signal.h"
+#include "stdio.h"
+#include "stdlib.h"
+#include <unistd.h>
+#include <wait.h>
+
+static int child_died;
+static pid_t child;
+
+void sigchld_handler(int val)
+{
+  int status = 0;
+  int ret = 0;
+  
+  waitpid (child, &status, 0);
+  if (WIFEXITED(status) == 1)
+  {
+    ret = WEXITSTATUS(status);
+    printf("Test process exited with result %u\n", ret);
+  }
+  if (WIFSIGNALED(status) == 1)
+  {
+    printf("Test process was signaled %u\n", WTERMSIG(status));
+  }   
+  exit(ret);  
+}
+
+void sigint_handler(int val)
+{ 
+  printf("Killing test process\n");
+  kill(0, SIGINT);
+  exit(0);
+}
+
+
+int main(int argc, char *argv[])
+{
+int timeout = 0;
+int remain = 0;
+int ret = 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;   
+
+
+char ** arguments = &argv[3];
+
+pid_t gpid = getpgid(0);
+
+child = fork();
+if (child > 0)
+{ 
+  signal(SIGCHLD, sigchld_handler);  
+  signal(SIGINT, sigint_handler);
+}
+for (;;)
+{
+  if (child==0)
+  {
+     printf("Starting test process `%s'\n",argv[2],arguments); 
+     setpgid(0,gpid);
+     execvp(argv[2],&argv[2]); 
+     printf("Test process `%s' could not be started\n",argv[1]); 
+     exit(1);
+  }
+  if (child > 0)
+  {
+    sleep(1);    
+    remain++;
+    if (timeout == remain)
+    {
+      printf("Timeout, killing all test processes\n");        
+      kill(0,SIGABRT);
+      exit(1);
+    }
+  }
+}  
+
+}
+
+/* end of timeout_watchdog.c */
\ No newline at end of file
-- 
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