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local: require clock_gettime()

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Make clock_gettime() a hard requirement of chrony. It should be
available on all reasonably recent versions of the supported systems.

This enables adoption of the clockid_t type (CLOCK_* identifiers).
This commit is contained in:
Miroslav Lichvar
2026-01-27 16:32:28 +01:00
parent b6f1650e7a
commit 91d6ccb189
2 changed files with 6 additions and 16 deletions
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13
local.c
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@@ -109,7 +109,7 @@ static double max_clock_error;
static int
get_clock_resolution(void)
{
#if defined(HAVE_CLOCK_GETTIME) && !defined(LINUX)
#ifndef LINUX
struct timespec res;
if (clock_getres(CLOCK_REALTIME, &res) < 0)
@@ -123,7 +123,7 @@ get_clock_resolution(void)
/* ================================================== */
#if defined(LINUX) && defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC_RAW)
#if defined(LINUX) && defined(CLOCK_MONOTONIC_RAW)
static int
compare_ints(const void *a, const void *b)
@@ -499,17 +499,8 @@ void LCL_RemoveDispersionNotifyHandler(LCL_DispersionNotifyHandler handler, void
void
LCL_ReadRawTime(struct timespec *ts)
{
#if HAVE_CLOCK_GETTIME
if (clock_gettime(CLOCK_REALTIME, ts) < 0)
LOG_FATAL("clock_gettime() failed : %s", strerror(errno));
#else
struct timeval tv;
if (gettimeofday(&tv, NULL) < 0)
LOG_FATAL("gettimeofday() failed : %s", strerror(errno));
UTI_TimevalToTimespec(&tv, ts);
#endif
}
/* ================================================== */