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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 4be03fe7814d
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1 /*==========================================================================
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2 //
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3 // kmbox1.cxx
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4 //
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5 // Kernel Mbox 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/
208
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
0
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author: dsm
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44 // Contributors: dsm
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45 // Date: 1998-06-02
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46 // Description: Tests basic mbox functionality.
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47 //####DESCRIPTIONEND####
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48 */
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49
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50 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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51
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52 #include <cyg/kernel/kapi.h>
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53
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54 #include <cyg/infra/testcase.h>
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55
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56 #ifdef CYGFUN_KERNEL_API_C
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57
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58 #include "testaux.h"
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59
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60 #define NTHREADS 2
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61 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
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62
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63 static cyg_handle_t thread[NTHREADS];
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64
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65 static cyg_thread thread_obj[NTHREADS];
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66 static char stack[NTHREADS][STACKSIZE];
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67
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68 static cyg_handle_t m0, m1, m2;
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69 static cyg_mbox mbox0, mbox1, mbox2;
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70
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71 static cyg_atomic q = 0;
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72
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73 #ifndef CYGMTH_MBOX_PUT_CAN_WAIT
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74 #define cyg_mbox_PUT cyg_mbox_tryput
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75 #endif
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76
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77 static void entry0( cyg_addrword_t data )
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78 {
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79 cyg_count8 u,i,j;
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80
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81 CYG_TEST_INFO("Testing put() and tryput() without wakeup");
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82 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "mbox not initialized properly");
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83 CYG_TEST_CHECK(0==cyg_mbox_peek(m0), "mbox not initialized properly");
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84 CYG_TEST_CHECK(NULL==cyg_mbox_peek_item(m0), "mbox not initialized properly");
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85 cyg_mbox_PUT(m0, (void *)55);
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86 CYG_TEST_CHECK(1==cyg_mbox_peek(m0), "peek() wrong");
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87 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
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88 for(u=1; cyg_mbox_tryput(m0, (void*)u); u++) {
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89 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
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90 CYG_TEST_CHECK(u+1==cyg_mbox_peek(m0), "peek() wrong");
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91 }
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92 CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");
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93
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94 // m0 now contains ( 55 1 2 .. u-1 )
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95 CYG_TEST_CHECK(u==cyg_mbox_peek(m0), "peek() wrong");
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96 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
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97
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98 CYG_TEST_INFO("Testing get(), tryget()");
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99
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100 i = (cyg_count8)cyg_mbox_tryget(m0);
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101 CYG_TEST_CHECK( 55 == i, "Got wrong message" );
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102 for(j=1; j<u;j++) {
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103 CYG_TEST_CHECK( j == (cyg_count8)cyg_mbox_peek_item(m0), "peek_item()" );
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104 CYG_TEST_CHECK( cyg_mbox_peek(m0) == u - j, "peek() wrong" );
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105 i = (cyg_count8)cyg_mbox_get(m0);
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106 CYG_TEST_CHECK( j == i, "Got wrong message" );
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107 }
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108
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109 CYG_TEST_CHECK( NULL == cyg_mbox_peek_item(m0), "peek_item()" );
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110 CYG_TEST_CHECK( 0 == cyg_mbox_peek(m0), "peek()");
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111
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112 // m0 now empty
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113
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114 CYG_TEST_CHECK(!cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
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115 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
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116
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117 CYG_TEST_INFO("Testing get(), blocking");
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118
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119 CYG_TEST_CHECK(0==q++, "bad synchronization");
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120 cyg_mbox_PUT(m1, (void*)99); // wakes t1
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121 i = (cyg_count8)cyg_mbox_get(m0); // sent by t1
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122 CYG_TEST_CHECK(3==i, "Recieved wrong message");
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123 CYG_TEST_CHECK(2==q++, "bad synchronization");
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124
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125 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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126 CYG_TEST_CHECK(NULL==cyg_mbox_timed_get(m0, cyg_current_time()+10),
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127 "unexpectedly found message");
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128 CYG_TEST_CHECK(3==q++, "bad synchronization");
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129 // Allow t1 to run as this get times out
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130 // t1 must not be waiting...
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131 CYG_TEST_CHECK(cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
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132
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133 cyg_mbox_PUT(m0, (void*)7); // wake t1 from timed get
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134 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
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135 q=10;
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136 while(cyg_mbox_tryput(m0, (void*)6)) // fill m0's queue
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137 ;
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138 // m0 now contains ( 6 ... 6 )
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139 CYG_TEST_CHECK(10==q++, "bad synchronization");
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140 cyg_mbox_put(m1, (void*)4); // wake t1
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141 CYG_TEST_CHECK(!cyg_mbox_timed_put(m0, (void*)8, cyg_current_time()+10),
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142 "timed put() unexpectedly worked");
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143 CYG_TEST_CHECK(12==q++, "bad synchronization");
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144 // m0 still contains ( 6 ... 6 )
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145 cyg_mbox_put(m0, (void*)9);
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146 CYG_TEST_CHECK(13==q++, "bad synchronization");
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147 #endif
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148 #endif
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149 i=(cyg_count8)cyg_mbox_get(m2);
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150 CYG_TEST_FAIL_FINISH("Not reached");
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151 }
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152
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153 static void entry1( cyg_addrword_t data )
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154 {
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155 cyg_count8 i;
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156 i = (cyg_count8)cyg_mbox_get(m1);
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157 CYG_TEST_CHECK(1==q++, "bad synchronization");
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158 cyg_mbox_PUT(m0, (void *)3); // wake t0
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159
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160 #if defined(CYGFUN_KERNEL_THREADS_TIMER)
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161 CYG_TEST_INFO("Testing timed functions");
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162 CYG_TEST_CHECK(7==(cyg_count8)cyg_mbox_timed_get(m0,cyg_current_time()+20),
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163 "timed get()");
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164 CYG_TEST_CHECK(4==q++, "bad synchronization");
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165 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
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166 CYG_TEST_CHECK(4==(cyg_count8)cyg_mbox_get(m1));
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167
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168 CYG_TEST_CHECK(11==q++, "bad synchronization");
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169 thread[0]->delay(20); // allow t0 to reach put on m1
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170 CYG_TEST_CHECK(14==q++, "bad synchronization");
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171 CYG_TEST_CHECK(cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
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172 do {
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173 // after first get m0 contains ( 6 .. 6 9 )
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174 i=(cyg_count8)cyg_mbox_tryget(m0);
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175 } while(6==i);
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176 CYG_TEST_CHECK(9==i,"put gone awry");
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177 #endif
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178 #endif
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179 CYG_TEST_PASS_FINISH("Kernel C API Mbox 1 OK");
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180 }
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181
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182 void kmbox1_main( void )
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183 {
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184 CYG_TEST_INIT();
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185
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186 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmbox1-0",
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187 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
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188 cyg_thread_resume(thread[0]);
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189
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190 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmbox1-1",
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191 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
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192 cyg_thread_resume(thread[1]);
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193
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194 cyg_mbox_create( &m0, &mbox0 );
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195 cyg_mbox_create( &m1, &mbox1 );
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196 cyg_mbox_create( &m2, &mbox2 );
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197
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198 cyg_scheduler_start();
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199
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200 CYG_TEST_FAIL_FINISH("Not reached");
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201 }
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202
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203 externC void
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204 cyg_start( void )
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205 {
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206 kmbox1_main();
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207 }
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208 #else /* def CYGFUN_KERNEL_API_C */
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209 externC void
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210 cyg_start( void )
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211 {
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212 CYG_TEST_INIT();
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213 CYG_TEST_NA("Kernel C API layer disabled");
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214 }
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215 #endif /* def CYGFUN_KERNEL_API_C */
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216
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217 /* EOF kmbox1.c */