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Always deliver synchronous signal to UTS for SA threads.

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This commit is contained in:
davidxu 2003-07-21 00:26:52 +00:00
parent 284105499b
commit ae38138034
1 changed files with 14 additions and 2 deletions
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16
sys/kern/kern_sig.c
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@ -1515,6 +1515,9 @@ trapsignal(struct thread *td, int sig, u_long code)
if (td->td_upcall)
td->td_upcall->ku_flags |= KUF_DOUPCALL;
mtx_unlock_spin(&sched_lock);
} else {
/* UTS caused a sync signal */
sigexit(td, SIGILL);
}
} else {
PROC_LOCK(p);
@ -1540,6 +1543,7 @@ trapsignal(struct thread *td, int sig, u_long code)
error = copyout(&siginfo, &td->td_mailbox->tm_syncsig,
sizeof(siginfo));
PROC_LOCK(p);
/* UTS memory corrupted */
if (error)
sigexit(td, SIGILL);
SIGADDSET(td->td_sigmask, sig);
@ -2282,7 +2286,8 @@ postsig(sig)
#endif
_STOPEVENT(p, S_SIG, sig);
if (action == SIG_DFL) {
if (!(td->td_flags & TDF_SA && td->td_mailbox) &&
action == SIG_DFL) {
/*
* Default action, where the default is to kill
* the process. (Other cases were ignored above.)
@ -2291,6 +2296,13 @@ postsig(sig)
sigexit(td, sig);
/* NOTREACHED */
} else {
if (td->td_flags & TDF_SA && td->td_mailbox) {
if (sig == SIGKILL) {
mtx_unlock(&ps->ps_mtx);
sigexit(td, sig);
}
}
/*
* If we get here, the signal must be caught.
*/
@ -2333,7 +2345,7 @@ postsig(sig)
p->p_code = 0;
p->p_sig = 0;
}
if (td->td_flags & TDF_SA)
if (td->td_flags & TDF_SA && td->td_mailbox)
thread_signal_add(curthread, sig);
else
(*p->p_sysent->sv_sendsig)(action, sig,