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author | jeff <jeff@FreeBSD.org> | 2003-02-17 09:58:11 +0000 |
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committer | jeff <jeff@FreeBSD.org> | 2003-02-17 09:58:11 +0000 |
commit | 5c29a640b86af6a1bd38d6186b82cba5e9c21065 (patch) | |
tree | 4c53a750b6910eb1a28edeff1a48bdd7ef932736 /sys/kern/subr_trap.c | |
parent | af55753a063a04a847a53c2946cd5fbf413a1e0f (diff) | |
download | FreeBSD-src-5c29a640b86af6a1bd38d6186b82cba5e9c21065.zip FreeBSD-src-5c29a640b86af6a1bd38d6186b82cba5e9c21065.tar.gz |
- Add a new function, thread_signal_add(), that is called from postsig to
add a signal to a mailbox's pending set.
- Add a new function, thread_signal_upcall(), this causes the current thread
to upcall so that we can deliver pending signals.
Reviewed by: mini
Diffstat (limited to 'sys/kern/subr_trap.c')
-rw-r--r-- | sys/kern/subr_trap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c index 7ffb968..c0c0fd5 100644 --- a/sys/kern/subr_trap.c +++ b/sys/kern/subr_trap.c @@ -247,10 +247,17 @@ ast(struct trapframe *framep) mtx_unlock_spin(&sched_lock); } if (sflag & PS_NEEDSIGCHK) { + int sigs; + + sigs = 0; PROC_LOCK(p); - while ((sig = cursig(td)) != 0) + while ((sig = cursig(td)) != 0) { postsig(sig); + sigs++; + } PROC_UNLOCK(p); + if (p->p_flag & P_KSES && sigs) + thread_signal_upcall(td); } userret(td, framep, sticks); |