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annotate packages/kernel/current/tests/cnt_sem1.cxx @ 130:eb9fd8c04db3 ecos-sw-2000-10-23

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Merge from eCos master repository on 2000-10-23-17:01:37-BST
author jlarmour
date Mon, 23 Oct 2000 17:10:57 +0000
parents bf00f99aec69
children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // cnt_sem1.cxx
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4 //
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5 // Counting semaphore test 1
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): dsm
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35 // Contributors: dsm
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36 // Date: 1998-02-24
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37 // Description: Tests basic counting semaphore functionality.
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38 //####DESCRIPTIONEND####
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39
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40 #include <pkgconf/kernel.h>
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41
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42 #include <cyg/kernel/thread.hxx> // Cyg_Thread
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43 #include <cyg/kernel/thread.inl>
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44 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
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45
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46 #include <cyg/kernel/sema.hxx>
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47
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48 #include <cyg/infra/testcase.h>
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49
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50 #include <cyg/kernel/sched.inl>
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51
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52
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53 #define NTHREADS 2
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54 #include "testaux.hxx"
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55
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56 static Cyg_Counting_Semaphore s0(0), s1(2), s2;
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57
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58 static volatile cyg_ucount8 q = 0;
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59
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60 static void entry0( CYG_ADDRWORD data )
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61 {
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62 s0.wait();
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63 CHECK( 1 == q++ );
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64 s1.post();
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65 s0.wait();
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66 CHECK( 3 == q++ );
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67 CHECK( 0 == s0.peek() );
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68 CHECK( ! s0.trywait() );
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69 s0.post();
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70 CHECK( 4 == q++ );
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71 CHECK( 1 == s0.peek() );
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72 s0.post();
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73 CHECK( 2 == s0.peek() );
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74 s1.post();
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75 CHECK( 0 == s2.peek() );
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76 s2.wait();
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77 CHECK( 6 == q++ );
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78 CYG_TEST_PASS_FINISH("Counting Semaphore 1 OK");
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79 }
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80
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81 static void entry1( CYG_ADDRWORD data )
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82 {
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83 CHECK( 2 == s1.peek() );
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84 s1.wait();
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85 CHECK( 1 == s1.peek() );
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86 s1.wait();
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87 CHECK( 0 == q++ );
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88 CHECK( 0 == s0.peek() );
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89 s0.post();
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90 s1.wait();
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91 CHECK( 2 == q++ );
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92 s0.post();
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93 s1.wait();
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94 CHECK( 5 == q++ );
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95 CHECK( 2 == s0.peek() );
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96 CHECK( s0.trywait() );
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97 CHECK( 1 == s0.peek() );
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98 CHECK( s0.trywait() );
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99 CHECK( 0 == s0.peek() );
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100 s2.post();
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101 s0.wait();
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102 CYG_TEST_FAIL_FINISH("Not reached");
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103 }
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104
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105 void cnt_sem1_main( void )
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106 {
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107 CYG_TEST_INIT();
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108
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109 new_thread(entry0, 0);
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110 new_thread(entry1, 1);
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111
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112 Cyg_Scheduler::start();
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113
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114 CYG_TEST_FAIL_FINISH("Not reached");
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115 }
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116
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117 externC void
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118 cyg_start( void )
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119 {
130
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120 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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121 cyg_hal_invoke_constructors();
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122 #endif
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123 cnt_sem1_main();
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124 }
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125
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126 // EOF cnt_sem1.cxx