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sys: add apply_step_offset function to generic driver

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Move the generic code away from the Linux driver and keep there only
stepping by adjtimex(ADJ_SETOFFSET).
This commit is contained in:
Miroslav Lichvar
2014-05-20 17:05:05 +02:00
parent 0b7f64cb33
commit cf3c7b3bd6
2 changed files with 28 additions and 27 deletions
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30
sys_linux.c
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@@ -52,7 +52,6 @@ int LockAll = 0;
#include <grp.h>
#endif
#include "localp.h"
#include "sys_generic.h"
#include "sys_linux.h"
#include "conf.h"
@@ -110,30 +109,8 @@ our_round(double x) {
static void
apply_step_offset(double offset)
{
struct timeval old_time, new_time;
double err;
if (have_setoffset) {
if (TMX_ApplyStepOffset(-offset) < 0) {
LOG_FATAL(LOGF_SysLinux, "adjtimex() failed");
}
} else {
if (gettimeofday(&old_time, NULL) < 0) {
LOG_FATAL(LOGF_SysLinux, "gettimeofday() failed");
}
UTI_AddDoubleToTimeval(&old_time, -offset, &new_time);
if (settimeofday(&new_time, NULL) < 0) {
LOG_FATAL(LOGF_SysLinux, "settimeofday() failed");
}
if (gettimeofday(&old_time, NULL) < 0) {
LOG_FATAL(LOGF_SysLinux, "gettimeofday() failed");
}
UTI_DiffTimevalsToDouble(&err, &old_time, &new_time);
lcl_InvokeDispersionNotifyHandlers(fabs(err));
if (TMX_ApplyStepOffset(-offset) < 0) {
LOG_FATAL(LOGF_SysLinux, "adjtimex() failed");
}
}
@@ -417,7 +394,8 @@ SYS_Linux_Initialise(void)
SYS_Generic_CompleteFreqDriver(1.0e6 * max_tick_bias / nominal_tick,
1.0 / tick_update_hz,
read_frequency, set_frequency,
apply_step_offset, set_leap);
have_setoffset ? apply_step_offset : NULL,
set_leap);
}
/* ================================================== */