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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [clockgetres.c] - Rev 532
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/* * $Id: clockgetres.c,v 1.2 2001-09-27 11:59:17 chris Exp $ */ #include <assert.h> #include <time.h> #include <errno.h> #include <rtems/system.h> #include <rtems/score/isr.h> #include <rtems/score/thread.h> #include <rtems/score/tod.h> #include <rtems/posix/seterr.h> #include <rtems/posix/time.h> /*PAGE * * 14.2.1 Clocks, P1003.1b-1993, p. 263 */ int clock_getres( clockid_t clock_id, struct timespec *res ) { if ( !res ) set_errno_and_return_minus_one( EINVAL ); switch ( clock_id ) { /* * All time in rtems is based on the same clock tick. */ case CLOCK_REALTIME: case CLOCK_PROCESS_CPUTIME: case CLOCK_THREAD_CPUTIME: if ( res ) _POSIX_Interval_to_timespec( _TOD_Microseconds_per_tick, res ); break; default: set_errno_and_return_minus_one( EINVAL ); } return 0; }
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