/* | |
* 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_ */ |