signal.h

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/*
 * FreeRTOS POSIX V1.2.0
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 * http://aws.amazon.com/freertos
 * http://www.FreeRTOS.org
 */

#ifndef _FREERTOS_POSIX_SIGNAL_H_
#define _FREERTOS_POSIX_SIGNAL_H_

#define SIGEV_NONE      0 
#define SIGEV_SIGNAL    1 
#define SIGEV_THREAD    2 
union sigval
{
    int sival_int;    
    void * sival_ptr; 
};

struct sigevent
{
    int sigev_notify;                                 
    int sigev_signo;                                  
    union sigval sigev_value;                         
    void ( * sigev_notify_function )( union sigval ); 
    pthread_attr_t * sigev_notify_attributes;         
};

#endif /* ifndef _FREERTOS_POSIX_SIGNAL_H_ */