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Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
children 74dbf4c3f2e1
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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 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): dsm
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44 // Contributors: dsm
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45 // Date: 1998-02-24
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46 // Description: Tests basic counting semaphore functionality.
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47 //####DESCRIPTIONEND####
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48
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49 #include <pkgconf/kernel.h>
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50
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51 #include <cyg/kernel/thread.hxx> // Cyg_Thread
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52 #include <cyg/kernel/thread.inl>
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53 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
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54
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55 #include <cyg/kernel/sema.hxx>
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56
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57 #include <cyg/infra/testcase.h>
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58
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59 #include <cyg/kernel/sched.inl>
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60
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61
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62 #define NTHREADS 2
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63 #include "testaux.hxx"
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64
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65 static Cyg_Counting_Semaphore s0(0), s1(2), s2;
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66
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67 static volatile cyg_ucount8 q = 0;
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68
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69 static void entry0( CYG_ADDRWORD data )
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70 {
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71 s0.wait();
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72 CHECK( 1 == q++ );
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73 s1.post();
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74 s0.wait();
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75 CHECK( 3 == q++ );
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76 CHECK( 0 == s0.peek() );
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77 CHECK( ! s0.trywait() );
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78 s0.post();
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79 CHECK( 4 == q++ );
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80 CHECK( 1 == s0.peek() );
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81 s0.post();
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82 CHECK( 2 == s0.peek() );
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83 s1.post();
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84 CHECK( 0 == s2.peek() );
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85 s2.wait();
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86 CHECK( 6 == q++ );
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87 CYG_TEST_PASS_FINISH("Counting Semaphore 1 OK");
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88 }
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89
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90 static void entry1( CYG_ADDRWORD data )
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91 {
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92 CHECK( 2 == s1.peek() );
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93 s1.wait();
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94 CHECK( 1 == s1.peek() );
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95 s1.wait();
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96 CHECK( 0 == q++ );
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97 CHECK( 0 == s0.peek() );
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98 s0.post();
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99 s1.wait();
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100 CHECK( 2 == q++ );
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101 s0.post();
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102 s1.wait();
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103 CHECK( 5 == q++ );
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104 CHECK( 2 == s0.peek() );
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105 CHECK( s0.trywait() );
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106 CHECK( 1 == s0.peek() );
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107 CHECK( s0.trywait() );
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108 CHECK( 0 == s0.peek() );
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109 s2.post();
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110 s0.wait();
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111 CYG_TEST_FAIL_FINISH("Not reached");
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112 }
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113
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114 void cnt_sem1_main( void )
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115 {
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116 CYG_TEST_INIT();
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117
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118 new_thread(entry0, 0);
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119 new_thread(entry1, 1);
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120
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121 Cyg_Scheduler::start();
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122
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123 CYG_TEST_FAIL_FINISH("Not reached");
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124 }
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125
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126 externC void
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127 cyg_start( void )
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128 {
130
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129 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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130 cyg_hal_invoke_constructors();
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131 #endif
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132 cnt_sem1_main();
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133 }
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134
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135 // EOF cnt_sem1.cxx