1 /* =================================================================
5 * Sample library to test the object loader
7 * =================================================================
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42 * =================================================================
43 * #####DESCRIPTIONBEGIN####
45 * Author(s): atonizzo@lycos.com
50 * ####DESCRIPTIONEND####
52 * =================================================================
55 #include <cyg/kernel/kapi.h> // Kernel API.
56 #include <cyg/infra/diag.h> // For diagnostic printing.
57 #include <cyg/infra/testcase.h>
59 cyg_sem_t sem_signal_thread;
62 extern int weak_fn_called;
64 void weak_function( void ) CYGBLD_ATTRIB_WEAK;
65 void weak_function( void )
67 // Store the data value passed in for this thread.
68 diag_printf( "INFO:< This is the library weak function>" );
69 CYG_TEST_FAIL ( "Libraries weak function called when apps should be called" );
72 void library_open( void )
74 // Initialize the count for thread a.
77 // Initialize the semaphore with a count of zero,
78 // prior to creating the threads.
79 cyg_semaphore_init( &sem_signal_thread, 0 );
80 CYG_TEST_INFO( "Library initialized" );
83 void library_close( void )
85 CYG_TEST_INFO( "Library closed" );
88 void print_message( void )
90 diag_printf( "INFO:<Printing a silly message...>\n" );
93 // Thread A - signals thread B via semaphore.
94 void thread_a( cyg_addrword_t data )
96 // Store the data value passed in for this thread.
101 while( thread_a_count < 5 )
103 // Increment the thread a count.
107 // Send out a message to the diagnostic port.
108 diag_printf( "INFO:<Thread A, count: %d message: %d>\n", thread_a_count, msg );
110 // Delay for 1 second.
111 cyg_thread_delay( 100 );
113 // Signal thread B using the semaphore.
114 cyg_semaphore_post( &sem_signal_thread );
117 CYG_TEST_CHECK( weak_fn_called == 2 , "Application week function not called" );
118 CYG_TEST_FINISH( "Object loader test finished" );
121 // Thread B - waits for semaphore signal from thread A.
122 void thread_b( cyg_addrword_t data )
124 // Store the data value passed in for this thread.
130 // Signal thread B using the semaphore.
131 cyg_semaphore_wait( &sem_signal_thread );
133 // Send out a message to the diagnostic port.
134 diag_printf( "INFO:< Thread B, message: %d>\n", msg );