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/*
* Amazon FreeRTOS POSIX V1.1.0
* Copyright (C) 2019 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.
*
* http://aws.amazon.com/freertos
* http://www.FreeRTOS.org
*/
/**
* @file signal.h
* @brief Signals.
*
* Signals are currently not implemented in FreeRTOS+POSIX. This header only
* defines the signal data structures used elsewhere.
*
* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
*/
#ifndef _FREERTOS_POSIX_SIGNAL_H_
#define _FREERTOS_POSIX_SIGNAL_H_
/**
* @name Values of sigev_notify.
*/
/**@{ */
#define SIGEV_NONE 0 /**< No asynchronous notification is delivered when the event of interest occurs. */
#define SIGEV_SIGNAL 1 /**< A queued signal, with an application-defined value, is generated when the event of interest occurs. Not supported. */
#define SIGEV_THREAD 2 /**< A notification function is called to perform notification. */
/**@} */
/**
* @brief Signal value.
*/
union sigval
{
int sival_int; /**< Integer signal value. */
void * sival_ptr; /**< Pointer signal value. */
};
/**
* @brief Signal event structure.
*/
struct sigevent
{
int sigev_notify; /**< Notification type. A value of SIGEV_SIGNAL is not supported. */
int sigev_signo; /**< Signal number. This member is ignored. */
union sigval sigev_value; /**< Signal value. Only the sival_ptr member is used. */
void ( * sigev_notify_function )( union sigval ); /**< Notification function. */
pthread_attr_t * sigev_notify_attributes; /**< Notification attributes. */
};
#endif /* ifndef _FREERTOS_POSIX_SIGNAL_H_ */
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