std.Io.ThreadPool: fix asyncDetached

This commit is contained in:
Andrew Kelley 2025-07-10 16:44:05 -07:00
parent 806214797a
commit f0499abd88

View File

@ -494,13 +494,12 @@ fn async(
const DetachedClosure = struct {
pool: *Pool,
func: *const fn (context: *anyopaque) void,
run_node: Pool.RunQueue.Node = .{ .data = .{ .runFn = runFn } },
runnable: Runnable = .{ .runFn = runFn },
context_alignment: std.mem.Alignment,
context_len: usize,
fn runFn(runnable: *Pool.Runnable, _: ?usize) void {
const run_node: *Pool.RunQueue.Node = @fieldParentPtr("data", runnable);
const closure: *DetachedClosure = @alignCast(@fieldParentPtr("run_node", run_node));
const closure: *DetachedClosure = @alignCast(@fieldParentPtr("runnable", runnable));
closure.func(closure.contextPointer());
const gpa = closure.pool.allocator;
const base: [*]align(@alignOf(DetachedClosure)) u8 = @ptrCast(closure);
@ -544,7 +543,7 @@ fn asyncDetached(
.context_len = context.len,
};
@memcpy(closure.contextPointer()[0..context.len], context);
pool.run_queue.prepend(&closure.run_node);
pool.run_queue.prepend(&closure.runnable.node);
if (pool.threads.items.len < pool.threads.capacity) {
pool.threads.addOneAssumeCapacity().* = std.Thread.spawn(.{