1 //==========================================================================
5 // Counting semaphore test 1
7 //==========================================================================
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40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
46 // Description: Tests basic counting semaphore functionality.
47 //####DESCRIPTIONEND####
49 #include <pkgconf/kernel.h>
51 #include <cyg/kernel/thread.hxx> // Cyg_Thread
52 #include <cyg/kernel/thread.inl>
53 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
55 #include <cyg/kernel/sema.hxx>
57 #include <cyg/infra/testcase.h>
59 #include <cyg/kernel/sched.inl>
63 #include "testaux.hxx"
65 static Cyg_Counting_Semaphore s0(0), s1(2), s2;
67 static volatile cyg_ucount8 q = 0;
69 static void entry0( CYG_ADDRWORD data )
76 CHECK( 0 == s0.peek() );
77 CHECK( ! s0.trywait() );
80 CHECK( 1 == s0.peek() );
82 CHECK( 2 == s0.peek() );
84 CHECK( 0 == s2.peek() );
87 CYG_TEST_PASS_FINISH("Counting Semaphore 1 OK");
90 static void entry1( CYG_ADDRWORD data )
92 CHECK( 2 == s1.peek() );
94 CHECK( 1 == s1.peek() );
97 CHECK( 0 == s0.peek() );
104 CHECK( 2 == s0.peek() );
105 CHECK( s0.trywait() );
106 CHECK( 1 == s0.peek() );
107 CHECK( s0.trywait() );
108 CHECK( 0 == s0.peek() );
111 CYG_TEST_FAIL_FINISH("Not reached");
114 void cnt_sem1_main( void )
118 new_thread(entry0, 0);
119 new_thread(entry1, 1);
121 Cyg_Scheduler::start();
123 CYG_TEST_FAIL_FINISH("Not reached");
129 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
130 cyg_hal_invoke_constructors();