ada-examples-4.6.6.rar_RTEMS_ada

/* * COPYRIGHT (c) 1989-1997. * 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: init.c,v 1.2 1999/08/20 19:37:42 joel Exp $ */ #include <bsp.h> #include <assert.h> #include <pthread.h> extern rtems_configuration_table BSP_Configuration; #ifdef GNAT_PID #include <unistd.h> pid_t getpid() { return GNAT_PID; } #endif /* * By having the POSIX_Init thread create a second thread just * to invoke gnat_main, we can override all default attributes * of the "Ada environment task". Otherwise, we would be * stuck with the defaults set by RTEMS. */ void *start_gnat_main( void * argument ) { extern int gnat_main ( int argc, char **argv, char **envp ); (void) gnat_main ( 0, 0, 0 ); exit( 0 ); return 0; } void *POSIX_Init( void *argument ) { pthread_t thread_id; pthread_attr_t attr; size_t stacksize = _ada_pthread_minimum_stack_size(); int status; status = pthread_attr_init( &attr ); assert( !status ); #define GNAT_MAIN_STACKSPACE 100 #ifdef GNAT_MAIN_STACKSPACE stacksize = GNAT_MAIN_STACKSPACE * 1024; #else #define GNAT_MAIN_STACKSPACE 0 #endif status = pthread_attr_setstacksize( &attr, stacksize ); assert( !status ); status = pthread_create( &thread_id, &attr, start_gnat_main, NULL ); assert( !status ); pthread_exit( 0 ); return 0; } /* configuration information */ #define CONFIGURE_TEST_NEEDS_CONSOLE_DRIVER #define CONFIGURE_TEST_NEEDS_CLOCK_DRIVER #define CONFIGURE_MICROSECONDS_PER_TICK RTEMS_MILLISECONDS_TO_MICROSECONDS(1) #define CONFIGURE_POSIX_INIT_THREAD_TABLE #define CONFIGURE_MAXIMUM_SEMAPHORES 10 #define CONFIGURE_GNAT_RTEMS /* #define CONFIGURE_MAXIMUM_ADA_TASKS 20 #define CONFIGURE_MAXIMUM_FAKE_ADA_TASKS 0 #define CONFIGURE_MEMORY_OVERHEAD (256 + GNAT_MAIN_STACKSPACE) */ #define CONFIGURE_INIT #include <confdefs.h>