summaryrefslogtreecommitdiff
path: root/ecos/packages/kernel/current/tests/mbox1.cxx
blob: 443b689babf3cd3d48614dbb4d6650e1330723b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
//==========================================================================
//
//        mbox1.cxx
//
//        Mbox test 1
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author:        dsm
// Contributors:    dsm
// Date:          1998-05-19
// Description:   Tests basic mbox functionality.
//####DESCRIPTIONEND####

#include <pkgconf/kernel.h>

#include <cyg/kernel/thread.hxx>        // Cyg_Thread
#include <cyg/kernel/thread.inl>
#include <cyg/kernel/sched.hxx>         // Cyg_Scheduler::start()

#include <cyg/kernel/mbox.hxx>

#include <cyg/infra/testcase.h>

#include <cyg/kernel/sched.inl>

#include <cyg/kernel/timer.hxx>         // Cyg_Timer
#include <cyg/kernel/clock.inl>         // Cyg_Clock

#define NTHREADS 2
#include "testaux.hxx"

static Cyg_Mbox m0, m1, m2;

static volatile cyg_atomic q = 0;

#ifndef CYGMTH_MBOX_PUT_CAN_WAIT
#define PUT tryput
#endif

static void entry0( CYG_ADDRWORD data )
{
    cyg_count8 u,i;

    CYG_TEST_INFO("Testing put() and tryput() without wakeup");
    CYG_TEST_CHECK(!m0.waiting_to_get(), "mbox not initialized properly");
    CYG_TEST_CHECK(0==m0.peek(), "mbox not initialized properly");
    CYG_TEST_CHECK(NULL==m0.peek_item(), "mbox not initialized properly");
    m0.PUT((void *)55);
    CYG_TEST_CHECK(1==m0.peek(), "peek() wrong");
    CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
    for(u=1; m0.tryput((void*)u); u++) {
        CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
        CYG_TEST_CHECK(u+1==m0.peek(), "peek() wrong");
    }
    CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");

    // m0 now contains ( 55 1 2 .. u-1 )
    CYG_TEST_CHECK(u==m0.peek(), "peek() wrong");
    CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");

    CYG_TEST_INFO("Testing get(), tryget()");
    
    i = (cyg_count8)m0.tryget();
    CYG_TEST_CHECK( 55 == i, "Got wrong message" );
    for(cyg_count8 j=1; j<u;j++) {
        CYG_TEST_CHECK( j == (cyg_count8)m0.peek_item(), "peek_item()" );
        CYG_TEST_CHECK( m0.peek() == u - j, "peek() wrong" );
        i = (cyg_count8)m0.get();
        CYG_TEST_CHECK( j == i, "Got wrong message" );
    }
    
    CYG_TEST_CHECK( NULL == m0.peek_item(), "peek_item()" );
    CYG_TEST_CHECK( 0 == m0.peek(), "peek()");
    
    // m0 now empty

    CYG_TEST_CHECK(!m0.waiting_to_put(), "waiting_to_put()");
    CYG_TEST_CHECK(!m0.waiting_to_get(), "waiting_to_get()");

    CYG_TEST_INFO("Testing get(), blocking");
    
    CYG_TEST_CHECK(0==q++, "bad synchronization");
    m1.PUT((void*)99);                  // wakes t1
    i = (cyg_count8)m0.get();          // sent by t1
    CYG_TEST_CHECK(3==i, "Recieved wrong message");
    CYG_TEST_CHECK(2==q++, "bad synchronization");

#ifdef CYGFUN_KERNEL_THREADS_TIMER
    CYG_TEST_CHECK(NULL==m0.get(
        Cyg_Clock::real_time_clock->current_value() + 10),
                   "unexpectedly found message");
    CYG_TEST_CHECK(3==q++, "bad synchronization");
    // Allow t1 to run as this get times out
    // t1 must not be waiting...
    CYG_TEST_CHECK(m0.waiting_to_get(), "waiting_to_get()");

    m0.PUT((void*)7);                   // wake t1 from timed get
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
    q=10;
    while(m0.tryput((void*)6))          // fill m0's queue
        ;
    // m0 now contains ( 6 ... 6 )
    CYG_TEST_CHECK(10==q++, "bad synchronization");
    m1.put((void*)4);                   // wake t1
    CYG_TEST_CHECK(!m0.put((void*)8, 2), "timed put() unexpectedly worked");
    CYG_TEST_CHECK(12==q++, "bad synchronization");
    // m0 still contains ( 6 ... 6 )
    m0.put((void*)9);
    CYG_TEST_CHECK(13==q++, "bad synchronization");
#endif
#endif
    i=(cyg_count8)m2.get();
    CYG_TEST_FAIL_FINISH("Not reached");
}

static void entry1( CYG_ADDRWORD data )
{
    cyg_count8 i;
    i = (cyg_count8)m1.get();
    CYG_TEST_CHECK(1==q++, "bad synchronization");
    m0.PUT((void *)3);                  // wake t0

#ifdef CYGFUN_KERNEL_THREADS_TIMER
    CYG_TEST_INFO("Testing timed functions");
    CYG_TEST_CHECK(7==(cyg_count8)m0.get(
        Cyg_Clock::real_time_clock->current_value() + 20), "timed get()");
    CYG_TEST_CHECK(4==q++, "bad synchronization");
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
    CYG_TEST_CHECK(4==(cyg_count8)m1.get());

    CYG_TEST_CHECK(11==q++, "bad synchronization");
    thread[0]->delay(20);    // allow t0 to reach put on m1
    CYG_TEST_CHECK(14==q++, "bad synchronization");
    CYG_TEST_CHECK(m0.waiting_to_put(), "waiting_to_put()");
    do {
        // after first get m0 contains ( 6 .. 6 9 )
        i=(cyg_count8)m0.tryget();
    } while(6==i);
    CYG_TEST_CHECK(9==i,"put gone awry");
#endif
#endif
    CYG_TEST_PASS_FINISH("Mbox 1 OK");
}

void mbox1_main( void )
{
    CYG_TEST_INIT();

    new_thread(entry0, 0);
    new_thread(entry1, 1);

    Cyg_Scheduler::start();

    CYG_TEST_FAIL_FINISH("Not reached");
}

externC void
cyg_start( void )
{ 
#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
    cyg_hal_invoke_constructors();
#endif
    mbox1_main();
}

// EOF mbox1.cxx