From 854daaec0c4cf0c236e46b45a1254c85a8b352db Mon Sep 17 00:00:00 2001 From: Brian Anderson Date: Tue, 20 Dec 2011 20:55:52 -0800 Subject: rt: Lock before using the random number generator Seeing crashes here trying to stress test concurrent tasks --- src/rt/rust_kernel.cpp | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'src/rt/rust_kernel.cpp') diff --git a/src/rt/rust_kernel.cpp b/src/rt/rust_kernel.cpp index 347b7907b53..f009541053d 100644 --- a/src/rt/rust_kernel.cpp +++ b/src/rt/rust_kernel.cpp @@ -150,13 +150,11 @@ rust_kernel::fail() { rust_task_id rust_kernel::create_task(rust_task *spawner, const char *name) { + scoped_lock with(_kernel_lock); rust_scheduler *thread = threads[isaac_rand(&rctx) % num_threads]; rust_task *t = thread->create_task(spawner, name); - { - scoped_lock with(_kernel_lock); - t->user.id = max_id++; - task_table.put(t->user.id, t); - } + t->user.id = max_id++; + task_table.put(t->user.id, t); return t->user.id; } -- cgit 1.4.1-3-g733a5