FreeCalypso > hg > freecalypso-sw
view gsm-fw/nucleus/tcfe.c @ 606:c5286d24539e
gsm-fw/L1/audio_cfile: initial import from LoCosto source
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Fri, 29 Aug 2014 03:25:51 +0000 |
parents | afceeeb2cba1 |
children |
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/*************************************************************************/ /* */ /* Copyright Mentor Graphics Corporation 2002 */ /* All Rights Reserved. */ /* */ /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ /* SUBJECT TO LICENSE TERMS. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* FILE NAME VERSION */ /* */ /* tcfe.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* TC - Thread Control */ /* */ /* DESCRIPTION */ /* */ /* This file contains routines that check parameters to the */ /* routines that return information about a thread. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* TCFE_Task_Information Retrieve task information */ /* */ /* DEPENDENCIES */ /* */ /* tc_extr.h Thread Control functions */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 11-07-2002 Released version 1.14 */ /* */ /*************************************************************************/ #define NU_SOURCE_FILE #include "tc_extr.h" /* Thread control functions */ /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* TCFE_Task_Information */ /* */ /* DESCRIPTION */ /* */ /* This function performs error checking on the parameters supplied */ /* to the function that returns information about a task. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* [TCT_Check_Stack] Stack checking function */ /* TCT_System_Protect Protect scheduling info */ /* TCT_Unprotect Release protection */ /* TCF_Task_Information Returns task information */ /* */ /* INPUTS */ /* */ /* task_ptr Pointer to the task */ /* name Destination for the name */ /* status Destination for task status */ /* scheduled_count Destination for scheduled */ /* count of the task */ /* priority Destination for task priority*/ /* preempt Destination for preempt flag */ /* time_slice Destination for time slice */ /* stack_base Destination for pointer to */ /* base of task's stack */ /* stack_size Destination for stack size */ /* minimum_stack Destination for the minimum */ /* running size of the stack */ /* */ /* OUTPUTS */ /* */ /* NU_SUCCESS If a valid task pointer is */ /* supplied */ /* NU_INVALID_TASK If task pointer is invalid */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* */ /*************************************************************************/ STATUS TCFE_Task_Information(NU_TASK *task_ptr, CHAR *name, DATA_ELEMENT *status, UNSIGNED *scheduled_count, DATA_ELEMENT *priority, OPTION *preempt, UNSIGNED *time_slice, VOID **stack_base, UNSIGNED *stack_size, UNSIGNED *minimum_stack) { STATUS completion; /* Completion status */ NU_SUPERV_USER_VARIABLES /* Switch to supervisor mode */ NU_SUPERVISOR_MODE(); #ifdef NU_ENABLE_STACK_CHECK /* Call stack checking function to check for an overflow condition. */ TCT_Check_Stack(); #endif /* Check if parameters are valid. task is tested in TCF_Task_Inforation */ if (name == NU_NULL) completion = NU_INVALID_POINTER; else if (preempt == NU_NULL) completion = NU_INVALID_POINTER; else if (status == NU_NULL) completion = NU_INVALID_POINTER; else if (scheduled_count == NU_NULL) completion = NU_INVALID_POINTER; else if (priority == NU_NULL) completion = NU_INVALID_POINTER; else if (time_slice == NU_NULL) completion = NU_INVALID_POINTER; else if (stack_base == NU_NULL) completion = NU_INVALID_POINTER; else if (stack_size == NU_NULL) completion = NU_INVALID_POINTER; else if (minimum_stack == NU_NULL) completion = NU_INVALID_POINTER; else completion = TCF_Task_Information(task_ptr, name, status, scheduled_count, priority, preempt, time_slice, stack_base, stack_size, minimum_stack); TCT_Unprotect(); /* Return to user mode */ NU_USER_MODE(); return(completion); }