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comparison packages/kernel/current/tests/mbox1.cxx @ 0:3111d98ba7b3 ecos-v1_1-release

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Initial commit of eCos version 1.1
author jlarmour
date Tue, 11 May 1999 11:16:07 +0000
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children 443894e2e912
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-1:000000000000 0:3111d98ba7b3
1 //==========================================================================
2 //
3 // mbox1.cxx
4 //
5 // Mbox test 1
6 //
7 //==========================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Cygnus eCos Public License
12 // Version 1.0 (the "License"); you may not use this file except in
13 // compliance with the License. You may obtain a copy of the License at
14 // http://sourceware.cygnus.com/ecos
15 //
16 // Software distributed under the License is distributed on an "AS IS"
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
18 // License for the specific language governing rights and limitations under
19 // the License.
20 //
21 // The Original Code is eCos - Embedded Cygnus Operating System, released
22 // September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Cygnus. Portions created
25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved.
26 // -------------------------------------------
27 //
28 //####COPYRIGHTEND####
29 //==========================================================================
30 //#####DESCRIPTIONBEGIN####
31 //
32 // Author: dsm
33 // Contributors: dsm
34 // Date: 1998-05-19
35 // Description: Tests basic mbox functionality.
36 //####DESCRIPTIONEND####
37
38 #include <pkgconf/kernel.h>
39
40 #include <cyg/kernel/thread.hxx> // Cyg_Thread
41 #include <cyg/kernel/thread.inl>
42 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
43
44 #include <cyg/kernel/mbox.hxx>
45
46 #include <cyg/infra/testcase.h>
47
48 #include <cyg/kernel/sched.inl>
49
50 #include <cyg/kernel/timer.hxx> // Cyg_Timer
51 #include <cyg/kernel/clock.inl> // Cyg_Clock
52
53 #define NTHREADS 2
54 #include "testaux.hxx"
55
56 static Cyg_Mbox m0, m1, m2;
57
58 static volatile cyg_atomic q = 0;
59
60 #ifndef CYGMTH_MBOX_PUT_CAN_WAIT
61 #define PUT tryput
62 #endif
63
64 static void entry0( CYG_ADDRWORD data )
65 {
66 cyg_count8 u,i;
67
68 CYG_TEST_INFO("Testing put() and tryput() without wakeup");
69 CYG_TEST_CHECK(!m0.waiting_to_get(), "mbox not initialized properly");
70 CYG_TEST_CHECK(0==m0.peek(), "mbox not initialized properly");
71 CYG_TEST_CHECK(NULL==m0.peek_item(), "mbox not initialized properly");
72 m0.PUT((void *)55);
73 CYG_TEST_CHECK(1==m0.peek(), "peek() wrong");
74 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
75 for(u=1; m0.tryput((void*)u); u++) {
76 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
77 CYG_TEST_CHECK(u+1==m0.peek(), "peek() wrong");
78 }
79 CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");
80
81 // m0 now contains ( 55 1 2 .. u-1 )
82 CYG_TEST_CHECK(u==m0.peek(), "peek() wrong");
83 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
84
85 CYG_TEST_INFO("Testing get(), tryget()");
86
87 i = (cyg_count8)m0.tryget();
88 CYG_TEST_CHECK( 55 == i, "Got wrong message" );
89 for(cyg_count8 j=1; j<u;j++) {
90 CYG_TEST_CHECK( j == (cyg_count8)m0.peek_item(), "peek_item()" );
91 CYG_TEST_CHECK( m0.peek() == u - j, "peek() wrong" );
92 i = (cyg_count8)m0.get();
93 CYG_TEST_CHECK( j == i, "Got wrong message" );
94 }
95
96 CYG_TEST_CHECK( NULL == m0.peek_item(), "peek_item()" );
97 CYG_TEST_CHECK( 0 == m0.peek(), "peek()");
98
99 // m0 now empty
100
101 CYG_TEST_CHECK(!m0.waiting_to_put(), "waiting_to_put()");
102 CYG_TEST_CHECK(!m0.waiting_to_get(), "waiting_to_get()");
103
104 CYG_TEST_INFO("Testing get(), blocking");
105
106 CYG_TEST_CHECK(0==q++, "bad synchronization");
107 m1.PUT((void*)99); // wakes t1
108 i = (cyg_count8)m0.get(); // sent by t1
109 CYG_TEST_CHECK(3==i, "Recieved wrong message");
110 CYG_TEST_CHECK(2==q++, "bad synchronization");
111
112 #ifdef CYGFUN_KERNEL_THREADS_TIMER
113 CYG_TEST_CHECK(NULL==m0.get(
114 Cyg_Clock::real_time_clock->current_value() + 2),
115 "unexpectedly found message");
116 CYG_TEST_CHECK(3==q++, "bad synchronization");
117 // Allow t1 to run as this get times out
118 // t1 must not be waiting...
119 CYG_TEST_CHECK(m0.waiting_to_get(), "waiting_to_get()");
120
121 m0.PUT((void*)7); // wake t1 from timed get
122 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
123 q=10;
124 while(m0.tryput((void*)6)) // fill m0's queue
125 ;
126 // m0 now contains ( 6 ... 6 )
127 CYG_TEST_CHECK(10==q++, "bad synchronization");
128 m1.put((void*)4); // wake t1
129 CYG_TEST_CHECK(!m0.put((void*)8, 2), "timed put() unexpectedly worked");
130 CYG_TEST_CHECK(12==q++, "bad synchronization");
131 // m0 still contains ( 6 ... 6 )
132 m0.put((void*)9);
133 CYG_TEST_CHECK(13==q++, "bad synchronization");
134 #endif
135 #endif
136 i=(cyg_count8)m2.get();
137 CYG_TEST_FAIL_FINISH("Not reached");
138 }
139
140 static void entry1( CYG_ADDRWORD data )
141 {
142 cyg_count8 i;
143 i = (cyg_count8)m1.get();
144 CYG_TEST_CHECK(1==q++, "bad synchronization");
145 m0.PUT((void *)3); // wake t0
146
147 #ifdef CYGFUN_KERNEL_THREADS_TIMER
148 CYG_TEST_INFO("Testing timed functions");
149 CYG_TEST_CHECK(7==(cyg_count8)m0.get(
150 Cyg_Clock::real_time_clock->current_value() + 4), "timed get()");
151 CYG_TEST_CHECK(4==q++, "bad synchronization");
152 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
153 CYG_TEST_CHECK(4==(cyg_count8)m1.get());
154
155 CYG_TEST_CHECK(11==q++, "bad synchronization");
156 thread[0]->delay(4); // allow t0 to reach put on m1
157 CYG_TEST_CHECK(14==q++, "bad synchronization");
158 CYG_TEST_CHECK(m0.waiting_to_put(), "waiting_to_put()");
159 do {
160 // after first get m0 contains ( 6 .. 6 9 )
161 i=(cyg_count8)m0.tryget();
162 } while(6==i);
163 CYG_TEST_CHECK(9==i,"put gone awry");
164 #endif
165 #endif
166 CYG_TEST_PASS_FINISH("Mbox 1 OK");
167 }
168
169 void mbox1_main( void )
170 {
171 CYG_TEST_INIT();
172
173 new_thread(entry0, 0);
174 new_thread(entry1, 1);
175
176 Cyg_Scheduler::start();
177
178 CYG_TEST_FAIL_FINISH("Not reached");
179 }
180
181 externC void
182 cyg_start( void )
183 {
184 mbox1_main();
185 }
186
187 // EOF mbox1.cxx