/*
 * Copyright (c) 2026, Chloe M.
 * Provided under the BSD-3 clause.
 *
 * Description: Thread management
 * Author:      Chloe M.
 */

#include <ps/thread.h>
#include <ps/process.h>
#include <ex/pool.h>
#include <atomic.h>

/* Globals */
static UQUAD NextThreadTid = 0;

PT_STATUS
PsCreateThread(struct _PROCESS *Parent, ULONG Flags, THREAD **Result)
{
    THREAD *Thread;

    if (Parent == NULL || Result == NULL) {
        return STATUS_INVALID_PARAM;
    }

    Thread = ExAllocatePoolWithTag(
        POOL_NON_PAGED,
        sizeof(*Thread),
        THREAD_POOL_TAG
    );

    if (Thread == NULL) {
        return STATUS_NO_MEMORY;
    }

    Thread->Tid = AtomicIncQuad(&NextThreadTid);
    Thread->Parent = Parent;
    *Result = Thread;
    return STATUS_SUCCESS;
}