/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */ /**************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** ThreadX Component */ /** */ /** Semaphore */ /** */ /**************************************************************************/ /**************************************************************************/ #define TX_SOURCE_CODE /* Include necessary system files. */ #include "tx_api.h" #include "tx_trace.h" #include "tx_semaphore.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _tx_semaphore_put_notify PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function registers an application callback function that is */ /* called whenever the this semaphore is put. */ /* */ /* INPUT */ /* */ /* semaphore_ptr Pointer to semaphore */ /* semaphore_put_notify Application callback function */ /* (TX_NULL disables notify) */ /* */ /* OUTPUT */ /* */ /* status Service return status */ /* */ /* CALLS */ /* */ /* None */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ UINT _tx_semaphore_put_notify(TX_SEMAPHORE *semaphore_ptr, VOID (*semaphore_put_notify)(TX_SEMAPHORE *notify_semaphore_ptr)) { #ifdef TX_DISABLE_NOTIFY_CALLBACKS TX_SEMAPHORE_NOT_USED(semaphore_ptr); TX_SEMAPHORE_PUT_NOTIFY_NOT_USED(semaphore_put_notify); /* Feature is not enabled, return error. */ return(TX_FEATURE_NOT_ENABLED); #else TX_INTERRUPT_SAVE_AREA /* Disable interrupts. */ TX_DISABLE /* Make entry in event log. */ TX_TRACE_IN_LINE_INSERT(TX_TRACE_SEMAPHORE_PUT_NOTIFY, semaphore_ptr, 0, 0, 0, TX_TRACE_SEMAPHORE_EVENTS) /* Make entry in event log. */ TX_EL_SEMAPHORE_PUT_NOTIFY_INSERT /* Setup semaphore put notification callback function. */ semaphore_ptr -> tx_semaphore_put_notify = semaphore_put_notify; /* Restore interrupts. */ TX_RESTORE /* Return success to caller. */ return(TX_SUCCESS); #endif }