/* Task_1 * * This routine serves as a test task. It verifies the basic task * switching capabilities of the executive. * * Input parameters: * argument - task argument * * Output parameters: NONE * * COPYRIGHT (c) 1989-1998. * On-Line Applications Research Corporation (OAR). * Copyright assigned to U.S. Government, 1994. * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id$ */ #include "system.h" #include void *Task_1( void *argument ) { int status; printf( "Task: pthread_mutex_trylock already locked\n" ); status = pthread_mutex_trylock( &Mutex_id ); if ( status != EBUSY ) printf( "status = %d\n", status ); assert( status == EBUSY ); printf( "Task: pthread_mutex_lock unavailable\n" ); status = pthread_mutex_lock( &Mutex_id ); if ( status ) printf( "status = %d\n", status ); assert( !status ); /* switch to init */ printf( "Task: mutex acquired\n" ); printf( "Task: sleep for 2 seconds\n" ); sleep( 2 ); /* switch to init */ printf( "Task: exit\n" ); pthread_exit( NULL ); /* switch to Init */ return NULL; /* just so the compiler thinks we returned something */ }