main_sigchld_handler(int sig)
{
sig = sig;    /* Keep picky compilers happy */
os_non_restarting_signal(SIGCHLD, SIG_DFL);
sigchld_seen = TRUE;
}
main_sigchld_handler(int sig)
{
sig = sig;     
os_non_restarting_signal(SIGCHLD, SIG_DFL);
sigchld_seen = TRUE;
}