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Kernel/LibC: add clock_gettime() for CLOCK_MONOTONIC

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This gets the number of milliseconds since boot
This commit is contained in:
Bananymous
2023-07-06 00:38:29 +03:00
parent 86df258365
commit 3c068aa0ae
7 changed files with 40 additions and 0 deletions
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18
kernel/kernel/Process.cpp
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@@ -835,6 +835,24 @@ namespace Kernel
return 0;
}
BAN::ErrorOr<long> Process::sys_clock_gettime(clockid_t clock_id, timespec* tp) const
{
switch (clock_id)
{
case CLOCK_MONOTONIC:
{
uint64_t time_ms = PIT::ms_since_boot();
tp->tv_sec = time_ms / 1000;
tp->tv_nsec = (time_ms % 1000) * 1000000;
break;
}
default:
return BAN::Error::from_errno(ENOTSUP);
}
return 0;
}
BAN::ErrorOr<long> Process::sys_setuid(uid_t uid)
{
if (uid < 0 || uid >= 1'000'000'000)