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timezone_offset and dst_observed fields of real_time_data struct are inited

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timezone_offset is used to have GMT real_time_clock() and set_real_time_clock()


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10133 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2004-11-22 00:32:22 +00:00
parent 35bec416bb
commit 3787bef109
1 changed files with 29 additions and 5 deletions
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34
src/kernel/core/real_time_clock.c
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@ -104,7 +104,10 @@ rtc_init(kernel_args *args)
// ToDo: initialization of the system time conversion factor is an x86 thing // ToDo: initialization of the system time conversion factor is an x86 thing
// and should be moved there // and should be moved there
sRealTimeData->system_time_conversion_factor = args->arch_args.system_time_cv_factor; sRealTimeData->system_time_conversion_factor = args->arch_args.system_time_cv_factor;
sRealTimeData->timezone_offset = 0;
sRealTimeData->dst_observed = false;
rtc_hw_to_system(); rtc_hw_to_system();
add_debugger_command("rtc", &rtc_debug, "Set and test the real-time clock"); add_debugger_command("rtc", &rtc_debug, "Set and test the real-time clock");
@ -119,7 +122,8 @@ rtc_init(kernel_args *args)
void void
set_real_time_clock(uint32 currentTime) set_real_time_clock(uint32 currentTime)
{ {
sRealTimeData->boot_time = currentTime * 1000000LL - system_time(); sRealTimeData->boot_time = currentTime * 1000000LL - system_time()
- sRealTimeData->timezone_offset;
rtc_system_to_hw(); rtc_system_to_hw();
} }
@ -127,8 +131,8 @@ set_real_time_clock(uint32 currentTime)
uint32 uint32
real_time_clock(void) real_time_clock(void)
{ {
// ToDo: implement me - they might be used directly from libroot/os/time.c return (sRealTimeData->boot_time + system_time() +
return (sRealTimeData->boot_time + system_time()) / 1000000; sRealTimeData->timezone_offset) / 1000000;
} }
@ -136,7 +140,17 @@ bigtime_t
real_time_clock_usecs(void) real_time_clock_usecs(void)
{ {
// ToDo: implement me - they might be used directly from libroot/os/time.c // ToDo: implement me - they might be used directly from libroot/os/time.c
return sRealTimeData->boot_time + system_time(); return sRealTimeData->boot_time + system_time() +
sRealTimeData->timezone_offset;
}
status_t
set_tzspecs(int32 timezone_offset, bool dst_observed)
{
sRealTimeData->timezone_offset = timezone_offset * 1000000LL;
sRealTimeData->dst_observed = dst_observed;
return B_OK;
} }
@ -154,3 +168,13 @@ _user_set_real_time_clock(uint32 time)
return B_OK; return B_OK;
} }
status_t
_user_set_tzspecs(int32 timezone_offset, bool dst_observed)
{
if (geteuid() != 0)
return B_NOT_ALLOWED;
set_tzspecs(timezone_offset, dst_observed);
return B_OK;
}