1 /*==========================================================================
7 //==========================================================================
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9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
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12 // Copyright (C) 2006 eCosCentric Ltd.
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36 // -------------------------------------------
37 //####ECOSGPLCOPYRIGHTEND####
38 //==========================================================================
39 //#####DESCRIPTIONBEGIN####
44 // Description: Tests basic mbox functionality.
45 //####DESCRIPTIONEND####
48 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
50 #include <cyg/kernel/kapi.h>
52 #include <cyg/infra/testcase.h>
54 #ifdef CYGFUN_KERNEL_API_C
59 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
61 static cyg_handle_t thread[NTHREADS];
63 static cyg_thread thread_obj[NTHREADS];
64 static char stack[NTHREADS][STACKSIZE];
66 static cyg_handle_t m0, m1, m2;
67 static cyg_mbox mbox0, mbox1, mbox2;
69 static cyg_atomic q = 0;
71 #ifndef CYGMTH_MBOX_PUT_CAN_WAIT
72 #define cyg_mbox_PUT cyg_mbox_tryput
75 static void entry0( cyg_addrword_t data )
79 CYG_TEST_INFO("Testing put() and tryput() without wakeup");
80 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "mbox not initialized properly");
81 CYG_TEST_CHECK(0==cyg_mbox_peek(m0), "mbox not initialized properly");
82 CYG_TEST_CHECK(NULL==cyg_mbox_peek_item(m0), "mbox not initialized properly");
83 cyg_mbox_PUT(m0, (void *)55);
84 CYG_TEST_CHECK(1==cyg_mbox_peek(m0), "peek() wrong");
85 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
86 for(u=1; cyg_mbox_tryput(m0, (void*)u); u++) {
87 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
88 CYG_TEST_CHECK(u+1==cyg_mbox_peek(m0), "peek() wrong");
90 CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");
92 // m0 now contains ( 55 1 2 .. u-1 )
93 CYG_TEST_CHECK(u==cyg_mbox_peek(m0), "peek() wrong");
94 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
96 CYG_TEST_INFO("Testing get(), tryget()");
98 i = (cyg_count8)cyg_mbox_tryget(m0);
99 CYG_TEST_CHECK( 55 == i, "Got wrong message" );
101 CYG_TEST_CHECK( j == (cyg_count8)cyg_mbox_peek_item(m0), "peek_item()" );
102 CYG_TEST_CHECK( cyg_mbox_peek(m0) == u - j, "peek() wrong" );
103 i = (cyg_count8)cyg_mbox_get(m0);
104 CYG_TEST_CHECK( j == i, "Got wrong message" );
107 CYG_TEST_CHECK( NULL == cyg_mbox_peek_item(m0), "peek_item()" );
108 CYG_TEST_CHECK( 0 == cyg_mbox_peek(m0), "peek()");
112 CYG_TEST_CHECK(!cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
113 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
115 CYG_TEST_INFO("Testing get(), blocking");
117 CYG_TEST_CHECK(0==q++, "bad synchronization");
118 cyg_mbox_PUT(m1, (void*)99); // wakes t1
119 i = (cyg_count8)cyg_mbox_get(m0); // sent by t1
120 CYG_TEST_CHECK(3==i, "Recieved wrong message");
121 CYG_TEST_CHECK(2==q++, "bad synchronization");
123 #ifdef CYGFUN_KERNEL_THREADS_TIMER
124 CYG_TEST_CHECK(NULL==cyg_mbox_timed_get(m0, cyg_current_time()+10),
125 "unexpectedly found message");
126 CYG_TEST_CHECK(3==q++, "bad synchronization");
127 // Allow t1 to run as this get times out
128 // t1 must not be waiting...
129 CYG_TEST_CHECK(cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
131 cyg_mbox_PUT(m0, (void*)7); // wake t1 from timed get
132 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
134 while(cyg_mbox_tryput(m0, (void*)6)) // fill m0's queue
136 // m0 now contains ( 6 ... 6 )
137 CYG_TEST_CHECK(10==q++, "bad synchronization");
138 cyg_mbox_put(m1, (void*)4); // wake t1
139 CYG_TEST_CHECK(!cyg_mbox_timed_put(m0, (void*)8, cyg_current_time()+10),
140 "timed put() unexpectedly worked");
141 CYG_TEST_CHECK(12==q++, "bad synchronization");
142 // m0 still contains ( 6 ... 6 )
143 cyg_mbox_put(m0, (void*)9);
144 CYG_TEST_CHECK(13==q++, "bad synchronization");
147 i=(cyg_count8)cyg_mbox_get(m2);
148 CYG_TEST_FAIL_FINISH("Not reached");
151 static void entry1( cyg_addrword_t data )
154 i = (cyg_count8)cyg_mbox_get(m1);
155 CYG_TEST_CHECK(1==q++, "bad synchronization");
156 cyg_mbox_PUT(m0, (void *)3); // wake t0
158 #if defined(CYGFUN_KERNEL_THREADS_TIMER)
159 CYG_TEST_INFO("Testing timed functions");
160 CYG_TEST_CHECK(7==(cyg_count8)cyg_mbox_timed_get(m0,cyg_current_time()+20),
162 CYG_TEST_CHECK(4==q++, "bad synchronization");
163 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
164 CYG_TEST_CHECK(4==(cyg_count8)cyg_mbox_get(m1));
166 CYG_TEST_CHECK(11==q++, "bad synchronization");
167 thread[0]->delay(20); // allow t0 to reach put on m1
168 CYG_TEST_CHECK(14==q++, "bad synchronization");
169 CYG_TEST_CHECK(cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
171 // after first get m0 contains ( 6 .. 6 9 )
172 i=(cyg_count8)cyg_mbox_tryget(m0);
174 CYG_TEST_CHECK(9==i,"put gone awry");
177 CYG_TEST_PASS_FINISH("Kernel C API Mbox 1 OK");
180 void kmbox1_main( void )
184 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmbox1-0",
185 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
186 cyg_thread_resume(thread[0]);
188 cyg_thread_create(5, entry1 , (cyg_addrword_t)1, "kmbox1-1",
189 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
190 cyg_thread_resume(thread[1]);
192 cyg_mbox_create( &m0, &mbox0 );
193 cyg_mbox_create( &m1, &mbox1 );
194 cyg_mbox_create( &m2, &mbox2 );
196 cyg_scheduler_start();
198 CYG_TEST_FAIL_FINISH("Not reached");
206 #else /* def CYGFUN_KERNEL_API_C */
211 CYG_TEST_NA("Kernel C API layer disabled");
213 #endif /* def CYGFUN_KERNEL_API_C */