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[common/client] platform: make timing waits portable

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This commit is contained in:
Geoffrey McRae
2026-09-12 08:13:16 +10:00
parent d045ac6ba7
commit 9c8343df96
18 changed files with 351 additions and 161 deletions
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40
common/src/platform/linux/time.c
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@@ -46,6 +46,44 @@ struct LGTimer
static struct LGTimerState l_ts = { 0 };
void lgTimeInit(void)
{
}
uint64_t microtime(void)
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC, &time);
return (uint64_t)time.tv_sec * UINT64_C(1000000) +
(uint64_t)time.tv_nsec / UINT64_C(1000);
}
uint64_t nanotime(void)
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC, &time);
return (uint64_t)time.tv_sec * UINT64_C(1000000000) +
(uint64_t)time.tv_nsec;
}
void nsleep(uint64_t ns)
{
struct timespec remaining =
{
.tv_sec = ns / UINT64_C(1000000000),
.tv_nsec = ns % UINT64_C(1000000000),
};
while (nanosleep(&remaining, &remaining) != 0 && errno == EINTR) {}
}
static void timespecAdd(struct timespec * time, uint64_t ns)
{
const uint64_t nsec = (uint64_t)time->tv_nsec + ns;
time->tv_sec += nsec / UINT64_C(1000000000);
time->tv_nsec = nsec % UINT64_C(1000000000);
}
static int timerFn(void * fn)
{
struct LGTimer * timer;
@@ -67,7 +105,7 @@ static int timerFn(void * fn)
}
ll_unlock(l_ts.timers);
tsAdd(&time, 1000000);
timespecAdd(&time, UINT64_C(1000000));
while(clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &time, NULL) != 0) {}
}