rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

rt: Lock before using the random number generator

Browse Source 
Seeing crashes here trying to stress test concurrent tasks
This commit is contained in:
Brian Anderson
2011-12-20 20:55:52 -08:00
parent aeadc6269e
commit 854daaec0c
1 changed files with 3 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/rt/rust_kernel.cpp
View File

@@ -150,13 +150,11 @@ rust_kernel::fail() {
rust_task_id rust_task_id
rust_kernel::create_task(rust_task *spawner, const char *name) { 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_scheduler *thread = threads[isaac_rand(&rctx) % num_threads];
rust_task *t = thread->create_task(spawner, name); rust_task *t = thread->create_task(spawner, name);
{ t->user.id = max_id++;
scoped_lock with(_kernel_lock); task_table.put(t->user.id, t);
t->user.id = max_id++;
task_table.put(t->user.id, t);
}
return t->user.id; return t->user.id;
} }