/*
* 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.
*
* $Id$
*/
#define CONFIGURE_INIT
#include "system.h"
#include <sched.h>
void *POSIX_Init(
void *argument
)
{
int status;
int priority;
pthread_t thread_id;
time_t seconds;
time_t remaining;
struct tm tm;
struct timespec tv;
struct timespec tr;
puts( "\n\n*** POSIX TEST 1 ***" );
/* set the time of day, and print our buffer in multiple ways */
build_time( &tm, TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 );
tv.tv_sec = mktime( &tm );
assert( tv.tv_sec != -1 );
tv.tv_nsec = 0;
status = clock_settime( CLOCK_REALTIME, &tv );
assert( !status );
printf( asctime( &tm ) );
printf( ctime( &tv.tv_sec ) );
/* use sleep to delay */
remaining = sleep( 3 );
assert( !remaining );
/* print new times to make sure it has changed and we can get the realtime */
status = clock_gettime( CLOCK_REALTIME, &tv );
assert( !status );
printf( ctime( &tv.tv_sec ) );
seconds = time( NULL );
printf( ctime( &seconds ) );
/* check the time remaining */
printf( "seconds remaining (%d)\n", (int)remaining );
assert( !remaining );
/* use nanosleep to delay */
tv.tv_sec = 3;
tv.tv_nsec = 500000;
status = nanosleep ( &tv, &tr );
assert( !status );
/* print the current real time again */
status = clock_gettime( CLOCK_REALTIME, &tv );
assert( !status );
printf( ctime( &tv.tv_sec ) );
/* check the time remaining */
printf( "sec (%d), nsec (%d) remaining\n", (int)tr.tv_sec, (int)tr.tv_nsec );
assert( !tr.tv_sec && !tr.tv_nsec );
/* get id of this thread */
Init_id = pthread_self();
printf( "Init's ID is 0x%08x\n", Init_id );
/* print the minimum priority */
priority = sched_get_priority_min( SCHED_FIFO );
printf( "Minimum priority for FIFO is %d\n", priority );
assert( priority != -1 );
/* print the maximum priority */
priority = sched_get_priority_max( SCHED_FIFO );
printf( "Maximum priority for FIFO is %d\n", priority );
assert( priority != -1 );
/* print the round robin time quantum */
status = sched_rr_get_interval( getpid(), &tr );
printf(
"Round Robin quantum is %d seconds, %d nanoseconds\n",
(int) tr.tv_sec,
(int) tr.tv_nsec
);
assert( !status );
/* create a thread */
status = pthread_create( &thread_id, NULL, Task_1_through_3, NULL );
assert( !status );
/* exit this thread */
pthread_exit( NULL );
return NULL; /* just so the compiler thinks we returned something */
}
