1 <assertions> 2 <assertion id="1" tag="ref:XSH6:6713:6717 pt:CS"> 3 clock_nanosleep() causes the current thread to stop executing for 4 the time interval (clocked by clock_id) in rqtp unless: 5 - TIMER_ABSTIME is set in the flags argument 6 - a signal whose action is to invoke a signal catching function is 7 delivered to the current thread 8 - the process is terminated 9 </assertion> 10 <assertion id="2" tag="ref:XSH6:6718:6722 pt:CS"> 11 If TIMER_ABSTIME is set in flags, then clock_nanosleep() uses 12 absolute time for the suspension of execution. That is, it stops for: 13 - the absolute time specified by rqtp 14 or until 15 - a signal whose action is to invoke a signal catching function is 16 delivered to the current thread 17 - the process is terminated 18 </assertion> 19 <assertion id="3" tag="ref:XSH6:6722:6724 pt:CS"> 20 If TIMER_ABSTIME is set in flags, then if, when clock_nanosleep() is 21 called, rqtp time value less than or equal to specified clock\'s time value, 22 clock_nanosleep() returns immediately and the calling process is *not* 23 suspended. 24 </assertion> 25 <assertion id="4" tag="ref:XSH6:6725:6730 pt:CS"> 26 For TIMER_ABSTIME _not_ set: 27 Suspension time is always greater than or equal to the rqtp time interval. 28 [May be greater b/c of rounding or scheduling, just never less than.] 29 Unless clock_nanosleep() is interrupted by a signal. 30 </assertion> 31 <assertion id="5" tag="ref:XSH6:6730:6733 pt:CS"> 32 For TIMER_ABSTIME set: 33 Syspension time is always at least until the corresponding clock 34 reaches time rqtp. 35 Unless clock_nanosleep() is interrupted by a signal. 36 </assertion> 37 <assertion id="6" tag="ref:XSH6:6734:6735 pt:CS"> 38 clock_nanosleep() does not affect the action/blockage of a signal. 39 </assertion> 40 <assertion id="7" tag="ref:XSH6:6736:6737 pt:CS"> 41 clock_nanosleep() fails if clock_id is for the CPU-time clock of 42 the calling thread 43 </assertion> 44 <assertion id="8" tag="ref:XSH6:6740:6741 pt:CS"> 45 clock_nanosleep() returns 0 on success (i.e., the full time requested 46 by rqtp has elapsed) 47 </assertion> 48 <assertion id="9" tag="ref:XSH6:6743:6747 pt:CS"> 49 For relative clock_nanosleep(), if clock_nanosleep() is 50 interrupted by a signal and rmtp is not-NULL, rmtp contains the 51 amount of time remaining. [If rmtp is NULL, no time is returned.] 52 -- Absolute timers have no effect on rmtp. 53 </assertion> 54 <assertion id="10" tag="ref:XSH6:6751:6751 pt:CS"> 55 clock_nanosleep sets errno=EINTR if it was interrupted by a signal 56 </assertion> 57 <assertion id="11" tag="ref:XSH6:6752:6753 pt:CS"> 58 clock_nanosleep sets errno=EINVAL if rqpt below 0 or above (or equal to) 59 1,000 million 60 </assertion> 61 <assertion id="12" tag="ref:XSH6:6753:6754 pt:CS"> 62 clock_nanosleep sets errno=EINVAL if TIMER_ABSTIME was specified 63 and rqpt is outside the range for clock_id 64 </assertion> 65 <assertion id="13" tag="ref:XSH6:6755:6756 pt:CS"> 66 clock_nanosleep sets errno=EINVAL if clock_id does not refer to a known 67 clock or refers to the CPU-time clock of the calling thread 68 </assertion> 69 <assertion id="14" tag="ref:XSH6:6757:6758 pt:CS"> 70 clock_nanosleep sets errno=ENOTSUP if clock_id refers to a clock 71 that clock_nanosleep does not support (ex. if CPU-time clock is not 72 supported) 73 </assertion> 74 <assertion id="15" tag="ref:XSH6:6762:6764 pt:CS"> 75 clock_nanosleep() with CLOCK_REALTIME == nanosleep() 76 </assertion> 77 </assertions> 78
