* @param start The start routine to activate (can't be NULL)
* @return 0 in case of success or -1 in case of error.
*/
-int jobs_start(int allowed_count, int start_count, int waiter_count, void (*start)())
+int jobs_start(int allowed_count, int start_count, int waiter_count, void (*start)(int signum))
{
int rc, launched;
struct thread me;