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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.
*
* $Id$
*/
#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
*
* $Id$
*/
#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
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