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/*

 *  Marginal implementations of some POSIX API routines

 *  to be used when POSIX is disabled.

 *

 *    + getpid

 *    + _getpid_r

 *    + kill

 *    + _kill_r

 *    + __kill

 *    + sleep

 *

 *  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.

 *

 *  no_posix.c,v 1.2 2001/01/08 18:26:44 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include <rtems.h>

#include <unistd.h>

/*

 *  These are directly supported (and completely correct) in the posix api.

 */

#if !defined(RTEMS_POSIX_API)

pid_t getpid(void)

{

  return 0;

}

#if defined(RTEMS_NEWLIB)

#include <sys/reent.h>

pid_t _getpid_r(

  struct _reent *ptr

)

{

  return getpid();

}

#endif

#endif

#if !defined(RTEMS_POSIX_API)

int kill( pid_t pid, int sig )

{

  return 0;

}

int _kill_r( pid_t pid, int sig )

{

  return 0;

}

#endif

int __kill( pid_t pid, int sig )

{

  return 0;

}

/*

 *  3.4.3 Delay Process Execution, P1003.1b-1993, p. 81

 *

 *  no_posix.c,v 1.2 2001/01/08 18:26:44 joel Exp

 */

#include <time.h>

#include <unistd.h> 

#include <rtems.h>

#if !defined(RTEMS_POSIX_API)

unsigned int sleep(

  unsigned int seconds

)

{

  rtems_status_code status;

  rtems_interval    ticks_per_second;

  rtems_interval    ticks;

  status = rtems_clock_get(

  RTEMS_CLOCK_GET_TICKS_PER_SECOND,

  &ticks_per_second

  );

  ticks = seconds * ticks_per_second;

  status = rtems_task_wake_after( ticks );

  /*

   *  Returns the "unslept" amount of time.  In RTEMS signals are not

   *  interruptable, so tasks really sleep all of the requested time.

   */

  return 0;

}

#endif