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split some rtc funcs out of hwclock and into an rtc header/lib so that the new rtcwake applet as well as hwclock can utilize the same code

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This commit is contained in:
Mike Frysinger
2008-02-15 02:27:19 +00:00
parent be7d2a8ded
commit 6b160e490d
9 changed files with 417 additions and 99 deletions
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1
include/applets.h
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@@ -293,6 +293,7 @@ USE_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_ROUTE(APPLET(route, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_RPM(APPLET(rpm, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_RPM2CPIO(APPLET(rpm2cpio, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_RTCWAKE(APPLET(rtcwake, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_RUN_PARTS(APPLET_ODDNAME(run-parts, run_parts, _BB_DIR_BIN, _BB_SUID_NEVER, run_parts))
USE_RUNCON(APPLET(runcon, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_RUNLEVEL(APPLET(runlevel, _BB_DIR_SBIN, _BB_SUID_NEVER))

73
include/rtc_.h Normal file
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@@ -0,0 +1,73 @@
/*
* Common defines/structures/etc... for applets that need to work with the RTC.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BB_RTC_H_
#define _BB_RTC_H_
#include "libbb.h"
extern int rtc_adjtime_is_utc(void);
extern int rtc_xopen(const char *default_rtc, int flags);
extern time_t rtc_read_time(int fd, int utc);
/*
* Everything below this point has been copied from linux/rtc.h
* to eliminate the kernel header dependency
*/
struct linux_rtc_time {
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
};
struct linux_rtc_wkalrm {
unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */
unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */
struct linux_rtc_time time; /* time the alarm is set to */
};
/*
* ioctl calls that are permitted to the /dev/rtc interface, if
* any of the RTC drivers are enabled.
*/
#define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */
#define RTC_AIE_OFF _IO('p', 0x02) /* ... off */
#define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */
#define RTC_UIE_OFF _IO('p', 0x04) /* ... off */
#define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */
#define RTC_PIE_OFF _IO('p', 0x06) /* ... off */
#define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */
#define RTC_WIE_OFF _IO('p', 0x10) /* ... off */
#define RTC_ALM_SET _IOW('p', 0x07, struct linux_rtc_time) /* Set alarm time */
#define RTC_ALM_READ _IOR('p', 0x08, struct linux_rtc_time) /* Read alarm time */
#define RTC_RD_TIME _IOR('p', 0x09, struct linux_rtc_time) /* Read RTC time */
#define RTC_SET_TIME _IOW('p', 0x0a, struct linux_rtc_time) /* Set RTC time */
#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */
#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */
#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */
#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */
#define RTC_WKALM_SET _IOW('p', 0x0f, struct linux_rtc_wkalrm)/* Set wakeup alarm*/
#define RTC_WKALM_RD _IOR('p', 0x10, struct linux_rtc_wkalrm)/* Get wakeup alarm*/
/* interrupt flags */
#define RTC_IRQF 0x80 /* any of the following is active */
#define RTC_PF 0x40
#define RTC_AF 0x20
#define RTC_UF 0x10
#endif

23
include/usage.h
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@@ -3070,6 +3070,29 @@ USE_FEATURE_BRCTL_FANCY("\n" \
#define rpm2cpio_full_usage \
"Output a cpio archive of the rpm file"
#define rtcwake_trivial_usage \
"[-a | -l | -u] [-d DEV] [-m MODE] [-s SECS | -t TIME]"
#define rtcwake_full_usage \
"enter a system sleep state until specified wakeup time\n\n" \
USE_GETOPT_LONG( \
" -a,--auto Read clock mode from adjtime\n" \
" -l,--local Clock is set to local time\n" \
" -u,--utc Clock is set to UTC time\n" \
" -d,--device=DEV Specify the RTC device\n" \
" -m,--mode=MODE Set the sleep state (default: standby)\n" \
" -s,--seconds=SEC Set the timeout in SEC seconds from now\n" \
" -t,--time=TIME Set the timeout to TIME seconds from epoch" \
) \
SKIP_GETOPT_LONG( \
" -a Read clock mode from adjtime\n" \
" -l Clock is set to local time\n" \
" -u Clock is set to UTC time\n" \
" -d DEV Specify the RTC device\n" \
" -m MODE Set the sleep state (default: standby)\n" \
" -s SEC Set the timeout in SEC seconds from now\n" \
" -t TIME Set the timeout to TIME seconds from epoch" \
)
#define runcon_trivial_usage \
"[-c] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] COMMAND [args]\n" \
" runcon CONTEXT COMMAND [args]"