static int
nto_thread_alive (ptid_t ptid)
{
int res;
TRACE ("%s pid:%d tid:%d\n", __func__, ptid_get_pid (ptid),
ptid_get_lwp (ptid));
if (SignalKill (0, ptid_get_pid (ptid), ptid_get_lwp (ptid),
0, 0, 0) == -1)
res = 0;
else
res = 1;
TRACE ("%s: %s\n", __func__, res ? "yes" : "no");
return res;
}
void procmgr_nozombie(PROCESS *prp, int status) {
/*
* This should use CLD_EXITED instead of SI_USER, but the SignalKill()
* kernel call does not allow it. SI_USER is alowable though, and this
* is only used by QNX functions right now.
*/
if(!(prp->flags & _NTO_PF_NOZOMBIE)) {
PROCESS *parent;
struct wait_entry *wap, **pwap;
prp->siginfo.si_signo = SIGCHLD;
prp->siginfo.si_code = CLD_EXITED;
prp->siginfo.si_pid = prp->pid;
prp->siginfo.si_status = status;
parent = proc_lock_parent(prp);
if(!sigismember(&(prp->parent->sig_ignore), SIGCHLD)) {
prp->flags |= _NTO_PF_WAITINFO;
}
for(pwap = &parent->wap; (wap = *pwap);) {
if((status = procmgr_wait_check(prp, parent, wap, WEXITED)) > 0) {
*pwap = wap->next;
proc_object_free(&wait_souls, wap);
if(status == WEXITED) {
break;
}
} else {
pwap = &wap->next;
}
}
prp->flags |= _NTO_PF_NOZOMBIE;
proc_unlock(parent);
SignalKill(ND_LOCAL_NODE, prp->parent->pid, 0, SIGCHLD, SI_USER, prp->pid);
}
}