usr/src/usr.bin/window/wwchild.c

#ifndef lint
static char sccsid[] = "@(#)wwchild.c   3.4 %G%";
#endif

#include "ww.h"
#include <sys/wait.h>

wwchild()
{
        extern errno;
        int olderrno;
        register struct ww **wp;
        union wait w;
        int pid;

        olderrno = errno;
        while ((pid = wait3(&w, WNOHANG|WUNTRACED, (struct rusage *)0)) > 0) {
                for (wp = wwindex; wp < &wwindex[NWW]; wp++) {
                        if (*wp && (*wp)->ww_state == WWS_HASPROC
                            && (*wp)->ww_pid == pid) {
                                (*wp)->ww_state = WWS_DEAD;
                                break;
                        }
                }
        }
        errno = olderrno;
}