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Implement thread_ctrl::wait_until()

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This commit is contained in:
Elad Ashkenazi 2024-08-16 20:06:20 +03:00
parent b2877365de
commit 1bd4565186
6 changed files with 47 additions and 11 deletions
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30
Utilities/Thread.cpp
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@ -1622,7 +1622,7 @@ bool handle_access_violation(u32 addr, bool is_writing, ucontext_t* context) noe
error_code sending_error = not_an_error(CELL_EBUSY);
// If we fail due to being busy, wait a bit and try again.
for (; static_cast<u32>(sending_error) == CELL_EBUSY; thread_ctrl::wait_for(1000))
for (u64 sleep_until = get_system_time(); static_cast<u32>(sending_error) == CELL_EBUSY; thread_ctrl::wait_until(&sleep_until, 1000))
{
sending_error = send_event();
@ -2414,6 +2414,34 @@ void thread_ctrl::wait_for(u64 usec, [[maybe_unused]] bool alert /* true */)
list.wait(atomic_wait_timeout{usec <= 0xffff'ffff'ffff'ffff / 1000 ? usec * 1000 : 0xffff'ffff'ffff'ffff});
}
void thread_ctrl::wait_until(u64* wait_time, u64 add_time, u64 min_wait, bool update_to_current_time)
{
*wait_time = utils::add_saturate<u64>(*wait_time, add_time);
// TODO: Implement proper support for "waiting until" inside atomic wait engine
const u64 current_time = get_system_time();
if (current_time > *wait_time)
{
if (update_to_current_time)
{
*wait_time = current_time + (add_time - (current_time - *wait_time) % add_time);
}
else if (!min_wait)
{
return;
}
}
if (min_wait)
{
*wait_time = std::max<u64>(*wait_time, utils::add_saturate<u64>(current_time, min_wait));
}
wait_for(*wait_time - current_time);
}
void thread_ctrl::wait_for_accurate(u64 usec)
{
if (!usec)