From b47a4be33ec42eb423369b77f6da7b572b07edb4 Mon Sep 17 00:00:00 2001 From: davidxu Date: Tue, 11 Mar 2003 02:59:50 +0000 Subject: Fix signal delivering bug for threaded process. --- sys/kern/subr_trap.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'sys/kern/subr_trap.c') diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c index 9eb4aed..fe5f1e4 100644 --- a/sys/kern/subr_trap.c +++ b/sys/kern/subr_trap.c @@ -253,8 +253,14 @@ ast(struct trapframe *framep) sigs++; } PROC_UNLOCK(p); - if (p->p_flag & P_THREADED && sigs) - thread_signal_upcall(td); + if (p->p_flag & P_THREADED && sigs) { + struct kse_upcall *ku = td->td_upcall; + if ((void *)TRAPF_PC(framep) != ku->ku_func) { + mtx_lock_spin(&sched_lock); + ku->ku_flags |= KUF_DOUPCALL; + mtx_unlock_spin(&sched_lock); + } + } } userret(td, framep, sticks); -- cgit v1.1