lock

= .{ .alloc = alloc, .resize = resize, .remap = remap, .free = free, }

Values

vtable: = .{ .alloc = alloc, .resize = resize, .remap = remap, .free = free, }

Source

Implementation

fn lock() *Thread {
    var index = thread_index;
    {
        const t = &global.threads[index];
        if (t.mutex.tryLock()) {
            @branchHint(.likely);
            return t;
        }
    }
    const cpu_count = getCpuCount();
    assert(cpu_count != 0);
    while (true) {
        index = (index + 1) % cpu_count;
        const t = &global.threads[index];
        if (t.mutex.tryLock()) {
            thread_index = index;
            return t;
        }
    }
}