2019-11-21 03:24:35 +08:00
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/*
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2019-11-21 03:38:08 +08:00
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* Amazon FreeRTOS POSIX V1.1.0
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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2019-11-21 03:24:35 +08:00
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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/**
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* @file signal.h
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* @brief Signals.
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*
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* Signals are currently not implemented in FreeRTOS+POSIX. This header only
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* defines the signal data structures used elsewhere.
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*
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* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
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*/
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#ifndef _FREERTOS_POSIX_SIGNAL_H_
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#define _FREERTOS_POSIX_SIGNAL_H_
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2020-09-26 02:37:09 +08:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2019-11-21 03:24:35 +08:00
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/**
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2019-11-21 03:38:08 +08:00
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* @name Values of sigev_notify.
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2019-11-21 03:24:35 +08:00
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*/
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/**@{ */
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#define SIGEV_NONE 0 /**< No asynchronous notification is delivered when the event of interest occurs. */
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#define SIGEV_SIGNAL 1 /**< A queued signal, with an application-defined value, is generated when the event of interest occurs. Not supported. */
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#define SIGEV_THREAD 2 /**< A notification function is called to perform notification. */
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/**@} */
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/**
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* @brief Signal value.
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*/
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union sigval
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{
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int sival_int; /**< Integer signal value. */
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void * sival_ptr; /**< Pointer signal value. */
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};
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/**
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* @brief Signal event structure.
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*/
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struct sigevent
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{
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2019-11-21 03:38:08 +08:00
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int sigev_notify; /**< Notification type. A value of SIGEV_SIGNAL is not supported. */
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int sigev_signo; /**< Signal number. This member is ignored. */
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union sigval sigev_value; /**< Signal value. Only the sival_ptr member is used. */
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void ( * sigev_notify_function )( union sigval ); /**< Notification function. */
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pthread_attr_t * sigev_notify_attributes; /**< Notification attributes. */
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2019-11-21 03:24:35 +08:00
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};
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2020-09-26 02:37:09 +08:00
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#ifdef __cplusplus
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}
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#endif
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2019-11-21 03:24:35 +08:00
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#endif /* ifndef _FREERTOS_POSIX_SIGNAL_H_ */
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