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38 //==========================================================================
39 //#####DESCRIPTIONBEGIN####
44 // Description: Tests basic mbox functionality.
45 //####DESCRIPTIONEND####
47 #include <pkgconf/kernel.h>
49 #include <cyg/kernel/thread.hxx> // Cyg_Thread
50 #include <cyg/kernel/thread.inl>
51 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
53 #include <cyg/kernel/mbox.hxx>
55 #include <cyg/infra/testcase.h>
57 #include <cyg/kernel/sched.inl>
59 #include <cyg/kernel/timer.hxx> // Cyg_Timer
60 #include <cyg/kernel/clock.inl> // Cyg_Clock
63 #include "testaux.hxx"
65 static Cyg_Mbox m0, m1, m2;
67 static volatile cyg_atomic q = 0;
69 #ifndef CYGMTH_MBOX_PUT_CAN_WAIT
73 static void entry0( CYG_ADDRWORD data )
77 Cyg_Thread::self()->set_priority(4);
79 CYG_TEST_INFO("Testing put() and tryput() without wakeup");
80 CYG_TEST_CHECK(!m0.waiting_to_get(), "mbox not initialized properly");
81 CYG_TEST_CHECK(0==m0.peek(), "mbox not initialized properly");
82 CYG_TEST_CHECK(NULL==m0.peek_item(), "mbox not initialized properly");
84 CYG_TEST_CHECK(1==m0.peek(), "peek() wrong");
85 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
86 for(u=1; m0.tryput((void*)u); u++) {
87 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
88 CYG_TEST_CHECK(u+1==m0.peek(), "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==m0.peek(), "peek() wrong");
94 CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
96 CYG_TEST_INFO("Testing get(), tryget()");
98 i = (cyg_count8)m0.tryget();
99 CYG_TEST_CHECK( 55 == i, "Got wrong message" );
100 for(cyg_count8 j=1; j<u;j++) {
101 CYG_TEST_CHECK( j == (cyg_count8)m0.peek_item(), "peek_item()" );
102 CYG_TEST_CHECK( m0.peek() == u - j, "peek() wrong" );
103 i = (cyg_count8)m0.get();
104 CYG_TEST_CHECK( j == i, "Got wrong message" );
107 CYG_TEST_CHECK( NULL == m0.peek_item(), "peek_item()" );
108 CYG_TEST_CHECK( 0 == m0.peek(), "peek()");
112 CYG_TEST_CHECK(!m0.waiting_to_put(), "waiting_to_put()");
113 CYG_TEST_CHECK(!m0.waiting_to_get(), "waiting_to_get()");
115 CYG_TEST_INFO("Testing get(), blocking");
117 CYG_TEST_CHECK(0==q++, "bad synchronization");
118 m1.PUT((void*)99); // wakes t1
119 i = (cyg_count8)m0.get(); // 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==m0.get(
125 Cyg_Clock::real_time_clock->current_value() + 10),
126 "unexpectedly found message");
127 CYG_TEST_CHECK(3==q++, "bad synchronization");
128 // Allow t1 to run as this get times out
129 // t1 must not be waiting...
130 CYG_TEST_CHECK(m0.waiting_to_get(), "waiting_to_get()");
132 m0.PUT((void*)7); // wake t1 from timed get
133 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
135 while(m0.tryput((void*)6)) // fill m0's queue
137 // m0 now contains ( 6 ... 6 )
138 CYG_TEST_CHECK(10==q++, "bad synchronization");
139 m1.put((void*)4); // wake t1
140 CYG_TEST_CHECK(!m0.put((void*)8, 2), "timed put() unexpectedly worked");
141 CYG_TEST_CHECK(12==q++, "bad synchronization");
142 // m0 still contains ( 6 ... 6 )
144 CYG_TEST_CHECK(13==q++, "bad synchronization");
147 i=(cyg_count8)m2.get();
148 CYG_TEST_FAIL_FINISH("Not reached");
151 static void entry1( CYG_ADDRWORD data )
155 Cyg_Thread::self()->set_priority(5);
157 i = (cyg_count8)m1.get();
158 CYG_TEST_CHECK(1==q++, "bad synchronization");
159 m0.PUT((void *)3); // wake t0
161 #ifdef CYGFUN_KERNEL_THREADS_TIMER
162 CYG_TEST_INFO("Testing timed functions");
163 CYG_TEST_CHECK(7==(cyg_count8)m0.get(
164 Cyg_Clock::real_time_clock->current_value() + 20), "timed get()");
165 CYG_TEST_CHECK(4==q++, "bad synchronization");
166 #ifdef CYGMTH_MBOX_PUT_CAN_WAIT
167 CYG_TEST_CHECK(4==(cyg_count8)m1.get());
169 CYG_TEST_CHECK(11==q++, "bad synchronization");
170 thread[0]->delay(20); // allow t0 to reach put on m1
171 CYG_TEST_CHECK(14==q++, "bad synchronization");
172 CYG_TEST_CHECK(m0.waiting_to_put(), "waiting_to_put()");
174 // after first get m0 contains ( 6 .. 6 9 )
175 i=(cyg_count8)m0.tryget();
177 CYG_TEST_CHECK(9==i,"put gone awry");
180 CYG_TEST_PASS_FINISH("Mbox 1 OK");
183 void mbox1_main( void )
187 new_thread(entry0, 0);
188 new_thread(entry1, 1);
190 Cyg_Scheduler::start();
192 CYG_TEST_FAIL_FINISH("Not reached");
198 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
199 cyg_hal_invoke_constructors();