Lines Matching refs:by

14 the Gregorian calendar and 24 hour time, as reported by gmtime(3).
19     *	/dev/rtc ... is the RTC provided by PC compatible systems,
23 	supported by a wide variety of RTC chips on all systems.
49 are reported by interrupt number 8. (Oh! So *that* is what IRQ 8 is
66 A user process can monitor these interrupts by doing a read(2) or a
70 burn up 100% CPU by polling gettimeofday etc. etc.
82 only allowed by root. This is perhaps a bit conservative, but we don't want
84 a negative impact on performance. This 64Hz limit can be changed by writing
105 (The original /dev/rtc driver was written by Paul Gortmaker.)
124 	rtc0 is used by default. More information is (currently) shown
157 		 the epoch by default, or if there's a leading +, seconds in the
164 The ioctl() calls supported by /dev/rtc are also supported by the RTC class
167 newer features -- including those enabled by ACPI -- are exposed by the
168 RTC class framework, but can't be supported by the older driver.
176 	24 hours in the future.  (Use RTC_WKALM_* by preference.)
194 Note that many of these ioctls are handled by the common rtc-dev interface.
203     *	RTC_IRQP_SET, RTC_IRQP_READ: These are emulated by the generic code.
205     *	RTC_PIE_ON, RTC_PIE_OFF: These are also emulated by the generic code.