xref: /third_party/FreeBSD/sys/compat/linuxkpi/common/src/linux_sched.c

/*
 * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "sched.h"
#include "sys/types.h"
#include "unistd.h"
#include "los_task_pri.h"
#include "los_swtmr.h"


signed long linux_schedule_timeout(signed long timeout)
{
    UINT32 ret;

    if (OS_INT_ACTIVE) {
        PRINT_ERR("ERROR: OS_ERRNO_SWTMR_HWI_ACTIVE\n");
        return LOS_ERRNO_SWTMR_HWI_ACTIVE;
    }
    if (timeout < 0) {
        PRINT_ERR("schedule_timeout: wrong timeout\n");
        return 0;
    }
#ifdef __LP64__
    if (timeout > MAX_SCHEDULE_TIMEOUT) {
        timeout = LOS_WAIT_FOREVER;
    }
#endif
    ret = LOS_TaskDelay(timeout);
    if (ret != LOS_OK) {
        PRINT_ERR("ERROR: OS_ERRNO_SWTMR_NOT_STARTED\n");
        return LOS_ERRNO_SWTMR_NOT_STARTED;
    }
    return ret;
}