1 /*==========================================================================
7 //==========================================================================
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40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
46 // Description: Tests basic mbox functionality.
47 //####DESCRIPTIONEND####
50 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
52 #include <cyg/kernel/kapi.h>
54 #include <cyg/infra/testcase.h>
56 #ifdef CYGFUN_KERNEL_API_C
61 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
63 static cyg_handle_t thread[NTHREADS];
65 static cyg_thread thread_obj[NTHREADS];
66 static char stack[NTHREADS][STACKSIZE];
68 static cyg_handle_t m0, m1, m2;
69 static cyg_mbox mbox0, mbox1, mbox2;
71 static cyg_atomic q = 0;
73 #ifndef CYGMTH_MBOX_PUT_CAN_WAIT
74 #define cyg_mbox_PUT cyg_mbox_tryput
77 static void entry0( cyg_addrword_t data )
81 CYG_TEST_INFO("Testing put() and tryput() without wakeup");
82 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "mbox not initialized properly");
83 CYG_TEST_CHECK(0==cyg_mbox_peek(m0), "mbox not initialized properly");
84 CYG_TEST_CHECK(NULL==cyg_mbox_peek_item(m0), "mbox not initialized properly");
85 cyg_mbox_PUT(m0, (void *)55);
86 CYG_TEST_CHECK(1==cyg_mbox_peek(m0), "peek() wrong");
87 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
88 for(u=1; cyg_mbox_tryput(m0, (void*)u); u++) {
89 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
90 CYG_TEST_CHECK(u+1==cyg_mbox_peek(m0), "peek() wrong");
92 CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");
94 // m0 now contains ( 55 1 2 .. u-1 )
95 CYG_TEST_CHECK(u==cyg_mbox_peek(m0), "peek() wrong");
96 CYG_TEST_CHECK(55==(cyg_count8)cyg_mbox_peek_item(m0), "peek_item() wrong");
98 CYG_TEST_INFO("Testing get(), tryget()");
100 i = (cyg_count8)cyg_mbox_tryget(m0);
101 CYG_TEST_CHECK( 55 == i, "Got wrong message" );
103 CYG_TEST_CHECK( j == (cyg_count8)cyg_mbox_peek_item(m0), "peek_item()" );
104 CYG_TEST_CHECK( cyg_mbox_peek(m0) == u - j, "peek() wrong" );
105 i = (cyg_count8)cyg_mbox_get(m0);
106 CYG_TEST_CHECK( j == i, "Got wrong message" );
109 CYG_TEST_CHECK( NULL == cyg_mbox_peek_item(m0), "peek_item()" );
110 CYG_TEST_CHECK( 0 == cyg_mbox_peek(m0), "peek()");
114 CYG_TEST_CHECK(!cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
115 CYG_TEST_CHECK(!cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
117 CYG_TEST_INFO("Testing get(), blocking");
119 CYG_TEST_CHECK(0==q++, "bad synchronization");
120 cyg_mbox_PUT(m1, (void*)99); // wakes t1
121 i = (cyg_count8)cyg_mbox_get(m0); // sent by t1
122 CYG_TEST_CHECK(3==i, "Recieved wrong message");
123 CYG_TEST_CHECK(2==q++, "bad synchronization");
125 #ifdef CYGFUN_KERNEL_THREADS_TIMER
126 CYG_TEST_CHECK(NULL==cyg_mbox_timed_get(m0, cyg_current_time()+10),
127 "unexpectedly found message");
128 CYG_TEST_CHECK(3==q++, "bad synchronization");
129 // Allow t1 to run as this get times out
130 // t1 must not be waiting...
131 CYG_TEST_CHECK(cyg_mbox_waiting_to_get(m0), "waiting_to_get()");
133 cyg_mbox_PUT(m0, (void*)7); // wake t1 from timed get
134 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
136 while(cyg_mbox_tryput(m0, (void*)6)) // fill m0's queue
138 // m0 now contains ( 6 ... 6 )
139 CYG_TEST_CHECK(10==q++, "bad synchronization");
140 cyg_mbox_put(m1, (void*)4); // wake t1
141 CYG_TEST_CHECK(!cyg_mbox_timed_put(m0, (void*)8, cyg_current_time()+10),
142 "timed put() unexpectedly worked");
143 CYG_TEST_CHECK(12==q++, "bad synchronization");
144 // m0 still contains ( 6 ... 6 )
145 cyg_mbox_put(m0, (void*)9);
146 CYG_TEST_CHECK(13==q++, "bad synchronization");
149 i=(cyg_count8)cyg_mbox_get(m2);
150 CYG_TEST_FAIL_FINISH("Not reached");
153 static void entry1( cyg_addrword_t data )
156 i = (cyg_count8)cyg_mbox_get(m1);
157 CYG_TEST_CHECK(1==q++, "bad synchronization");
158 cyg_mbox_PUT(m0, (void *)3); // wake t0
160 #if defined(CYGFUN_KERNEL_THREADS_TIMER)
161 CYG_TEST_INFO("Testing timed functions");
162 CYG_TEST_CHECK(7==(cyg_count8)cyg_mbox_timed_get(m0,cyg_current_time()+20),
164 CYG_TEST_CHECK(4==q++, "bad synchronization");
165 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
166 CYG_TEST_CHECK(4==(cyg_count8)cyg_mbox_get(m1));
168 CYG_TEST_CHECK(11==q++, "bad synchronization");
169 thread[0]->delay(20); // allow t0 to reach put on m1
170 CYG_TEST_CHECK(14==q++, "bad synchronization");
171 CYG_TEST_CHECK(cyg_mbox_waiting_to_put(m0), "waiting_to_put()");
173 // after first get m0 contains ( 6 .. 6 9 )
174 i=(cyg_count8)cyg_mbox_tryget(m0);
176 CYG_TEST_CHECK(9==i,"put gone awry");
179 CYG_TEST_PASS_FINISH("Kernel C API Mbox 1 OK");
182 void kmbox1_main( void )
186 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmbox1-0",
187 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
188 cyg_thread_resume(thread[0]);
190 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmbox1-1",
191 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
192 cyg_thread_resume(thread[1]);
194 cyg_mbox_create( &m0, &mbox0 );
195 cyg_mbox_create( &m1, &mbox1 );
196 cyg_mbox_create( &m2, &mbox2 );
198 cyg_scheduler_start();
200 CYG_TEST_FAIL_FINISH("Not reached");
208 #else /* def CYGFUN_KERNEL_API_C */
213 CYG_TEST_NA("Kernel C API layer disabled");
215 #endif /* def CYGFUN_KERNEL_API_C */