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annotate src/nucleus/sm_extr.h @ 7:0f80e1e4dce4

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src/nucleus: library C code import from FreeNucleus package
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 20:57:33 +0000
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* sm_extr.h Nucleus PLUS 1.14 */
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17 /* */
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18 /* COMPONENT */
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19 /* */
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20 /* SM - Semaphore Management */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains function prototypes of all functions */
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25 /* accessible to other components. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* None */
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30 /* */
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31 /* FUNCTIONS */
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32 /* */
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33 /* None */
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34 /* */
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35 /* DEPENDENCIES */
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36 /* */
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37 /* sm_defs.h Semaphore Management constant*/
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38 /* */
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39 /* HISTORY */
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40 /* */
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41 /* DATE REMARKS */
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42 /* */
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43 /* 03-01-1993 Created initial version 1.0 */
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44 /* 04-19-1993 Verified version 1.0 */
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45 /* 03-01-1994 Moved include files outside of */
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46 /* the file #ifndef to allow the */
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47 /* use of actual data structures, */
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48 /* modified function prototypes, */
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49 /* resulting in version 1.1 */
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50 /* */
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51 /* 03-18-1994 Verified version 1.1 */
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52 /* 04-17-1996 updated to version 1.2 */
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53 /* 03-24-1998 Released version 1.3 */
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54 /* 03-26-1999 Released 1.11m (new release */
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55 /* numbering scheme) */
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56 /* 04-17-2002 Released version 1.13m */
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57 /* 11-07-2002 Released version 1.14 */
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58 /*************************************************************************/
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59
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60 #include "sm_defs.h" /* Include SM constants */
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63 /* Check to see if the file has been included already. */
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64
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65 #ifndef SM_EXTR
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66 #define SM_EXTR
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67
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68
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69 /* Initialization functions. */
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70
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71 VOID SMI_Initialize(VOID);
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74 /* Error checking core functions. */
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76 STATUS SMCE_Create_Semaphore(NU_SEMAPHORE *semaphore_ptr, CHAR *name,
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77 UNSIGNED initial_count, OPTION suspend_type);
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78 STATUS SMCE_Delete_Semaphore(NU_SEMAPHORE *semaphore_ptr);
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79 STATUS SMCE_Obtain_Semaphore(NU_SEMAPHORE *semaphore_ptr,
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80 UNSIGNED suspend);
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81 STATUS SMCE_Release_Semaphore(NU_SEMAPHORE *semaphore_ptr);
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84 /* Error checking supplemental functions. */
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85
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86 STATUS SMSE_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr,
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87 UNSIGNED initial_count);
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90 /* Core processing functions. */
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91
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92 STATUS SMC_Create_Semaphore(NU_SEMAPHORE *semaphore_ptr, CHAR *name,
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93 UNSIGNED initial_count, OPTION suspend_type);
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94 STATUS SMC_Delete_Semaphore(NU_SEMAPHORE *semaphore_ptr);
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95 STATUS SMC_Obtain_Semaphore(NU_SEMAPHORE *semaphore_ptr,
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96 UNSIGNED suspend);
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97 STATUS SMC_Release_Semaphore(NU_SEMAPHORE *semaphore_ptr);
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99
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100 /* Supplemental processing functions. */
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101
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102 STATUS SMS_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr,
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103 UNSIGNED initial_count);
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104
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105
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106 /* Information retrieval functions. */
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107
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108 UNSIGNED SMF_Established_Semaphores(VOID);
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109 STATUS SMF_Semaphore_Information(NU_SEMAPHORE *semaphore_ptr,
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110 CHAR *name, UNSIGNED *current_count, OPTION *suspend_type,
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111 UNSIGNED *tasks_waiting, NU_TASK **first_task);
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112 UNSIGNED SMF_Semaphore_Pointers(NU_SEMAPHORE **pointer_list,
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113 UNSIGNED maximum_pointers);
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114 #endif
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118