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Kernel: Make sys_nanosleep interruptable by signals

This commit is contained in:
Bananymous 2023-12-06 16:22:24 +02:00
parent deeb6d2756
commit 393ac33e3c
1 changed files with 24 additions and 3 deletions
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27
kernel/kernel/Process.cpp
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@ -616,10 +616,31 @@ namespace Kernel
{
LockGuard _(m_lock);
validate_pointer_access(rqtp, sizeof(timespec));
validate_pointer_access(rmtp, sizeof(timespec));
if (rmtp)
validate_pointer_access(rmtp, sizeof(timespec));
}
// TODO: rmtp
SystemTimer::get().sleep(rqtp->tv_sec * 1000 + BAN::Math::div_round_up<uint64_t>(rqtp->tv_nsec, 1'000'000));
uint64_t sleep_ms = rqtp->tv_sec * 1000 + BAN::Math::div_round_up<uint64_t>(rqtp->tv_nsec, 1'000'000);
if (sleep_ms == 0)
return 0;
uint64_t wake_time_ms = SystemTimer::get().ms_since_boot() + sleep_ms;
Scheduler::get().set_current_thread_sleeping(wake_time_ms);
uint64_t current_ms = SystemTimer::get().ms_since_boot();
if (current_ms < wake_time_ms)
{
if (rmtp)
{
uint64_t remaining_ms = wake_time_ms - current_ms;
rmtp->tv_sec = remaining_ms / 1000;
rmtp->tv_nsec = (remaining_ms % 1000) * 1'000'000;
}
return BAN::Error::from_errno(EINTR);
}
return 0;
}