diff options
| author | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
|---|---|---|
| committer | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
| commit | 852421fda03a7722d7adb45b187235cd66fa264e (patch) | |
| tree | b117e1339a047347a3d7ebf3eeb1891168cc9b9b /common/src/tx_event_flags_info_get.c | |
Initial commit
Diffstat (limited to 'common/src/tx_event_flags_info_get.c')
| -rw-r--r-- | common/src/tx_event_flags_info_get.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/common/src/tx_event_flags_info_get.c b/common/src/tx_event_flags_info_get.c new file mode 100644 index 00000000..608be7df --- /dev/null +++ b/common/src/tx_event_flags_info_get.c @@ -0,0 +1,143 @@ +/**************************************************************************/ +/* */ +/* 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 */ +/** */ +/** Event Flags */ +/** */ +/**************************************************************************/ +/**************************************************************************/ + +#define TX_SOURCE_CODE + + +/* Include necessary system files. */ + +#include "tx_api.h" +#include "tx_trace.h" +#include "tx_event_flags.h" + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _tx_event_flags_info_get PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* William E. Lamie, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function retrieves information from the specified event flag */ +/* group. */ +/* */ +/* INPUT */ +/* */ +/* group_ptr Pointer to event flag group */ +/* name Destination for the event flag */ +/* group name */ +/* current_flags Current event flags */ +/* first_suspended Destination for pointer of first */ +/* thread suspended on event flags */ +/* suspended_count Destination for suspended count */ +/* next_group Destination for pointer to next */ +/* event flag group on the created */ +/* list */ +/* */ +/* OUTPUT */ +/* */ +/* status Completion status */ +/* */ +/* CALLS */ +/* */ +/* None */ +/* */ +/* CALLED BY */ +/* */ +/* Application Code */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 William E. Lamie Initial Version 6.0 */ +/* */ +/**************************************************************************/ +UINT _tx_event_flags_info_get(TX_EVENT_FLAGS_GROUP *group_ptr, CHAR **name, ULONG *current_flags, + TX_THREAD **first_suspended, ULONG *suspended_count, + TX_EVENT_FLAGS_GROUP **next_group) +{ + +TX_INTERRUPT_SAVE_AREA + + + /* Disable interrupts. */ + TX_DISABLE + + /* If trace is enabled, insert this event into the trace buffer. */ + TX_TRACE_IN_LINE_INSERT(TX_TRACE_EVENT_FLAGS_INFO_GET, group_ptr, 0, 0, 0, TX_TRACE_EVENT_FLAGS_EVENTS) + + /* Log this kernel call. */ + TX_EL_EVENT_FLAGS_INFO_GET_INSERT + + /* Retrieve all the pertinent information and return it in the supplied + destinations. */ + + /* Retrieve the name of the event flag group. */ + if (name != TX_NULL) + { + + *name = group_ptr -> tx_event_flags_group_name; + } + + /* Retrieve the current event flags in the event flag group. */ + if (current_flags != TX_NULL) + { + + /* Pickup the current flags and apply delayed clearing. */ + *current_flags = group_ptr -> tx_event_flags_group_current & + ~group_ptr -> tx_event_flags_group_delayed_clear; + } + + /* Retrieve the first thread suspended on this event flag group. */ + if (first_suspended != TX_NULL) + { + + *first_suspended = group_ptr -> tx_event_flags_group_suspension_list; + } + + /* Retrieve the number of threads suspended on this event flag group. */ + if (suspended_count != TX_NULL) + { + + *suspended_count = (ULONG) group_ptr -> tx_event_flags_group_suspended_count; + } + + /* Retrieve the pointer to the next event flag group created. */ + if (next_group != TX_NULL) + { + + *next_group = group_ptr -> tx_event_flags_group_created_next; + } + + /* Restore interrupts. */ + TX_RESTORE + + /* Return completion status. */ + return(TX_SUCCESS); +} + |