From 96015b90e08facc1325dfa510bbe7a265e0118bc Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Thu, 17 Apr 2003 22:21:57 +0000
Subject: Protect td_sigmask with the proc lock.

---
 sys/kern/kern_thread.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/kern/kern_thread.c')

diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
index bfc97ad..784d45b 100644
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -747,7 +747,9 @@ thread_getcontext(struct thread *td, ucontext_t *uc)
 #ifdef __i386__
 	get_mcontext(td, &uc->uc_mcontext);
 #endif
+	PROC_LOCK(td->td_proc);
 	uc->uc_sigmask = td->td_sigmask;
+	PROC_UNLOCK(td->td_proc);
 }
 
 /*
-- 
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