/* Task_1 * * This routine serves as a test task. * * Input parameters: * argument - task argument * * Output parameters: NONE * * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. * On-Line Applications Research Corporation (OAR). * All rights assigned to U.S. Government, 1994. * * This material may be reproduced by or for the U.S. Government pursuant * to the copyright license under the clause at DFARS 252.227-7013. This * notice must appear in all copies of this file and its derivatives. * * $Id$ */ #include "system.h" void *Task_1( void *argument ) { int status; /* wait for a condition variable signal from Init */ Task_id = pthread_self(); printf( "Task_1: ID is 0x%08x\n", Task_id ); status = pthread_mutex_init( &Mutex_id, NULL ); assert( !status ); status = pthread_mutex_lock( &Mutex_id ); assert( !status ); puts( "Task_1: pthread_cond_wait" ); status = pthread_cond_wait( &Cond1_id, &Mutex_id ); assert( !status ); puts( "Task_1: back from pthread_cond_wait release mutex" ); status = pthread_mutex_unlock( &Mutex_id ); assert( !status ); /* wait for a condition variable broadcast from Init */ status = pthread_mutex_lock( &Mutex_id ); assert( !status ); puts( "Task_1: pthread_cond_wait" ); status = pthread_cond_wait( &Cond1_id, &Mutex_id ); assert( !status ); puts( "Task_1: back from pthread_cond_wait release mutex" ); status = pthread_mutex_unlock( &Mutex_id ); assert( !status ); puts( "Task_1: task exit" ); pthread_exit( NULL ); return NULL; /* just so the compiler thinks we returned something */ }