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Build transactions at runtime

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Drop _xbegin family intrinsics due to bad codegen
Implemented `notifier` class, replacing vm::notify
Minor optimization: detach transactions from global mutex on TSX path
Minor optimization: don't acquire vm::passive_lock on PPU on TSX path
This commit is contained in:
Nekotekina 2018-05-14 23:07:36 +03:00
parent fd525ae1cf
commit 367f039523
14 changed files with 529 additions and 339 deletions
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8
Utilities/cond.cpp
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@ -16,7 +16,7 @@ bool cond_variable::imp_wait(u32 _old, u64 _timeout) noexcept
LARGE_INTEGER timeout;
timeout.QuadPart = _timeout * -10;
if (HRESULT rc = NtWaitForKeyedEvent(nullptr, &m_value, false, is_inf ? nullptr : &timeout))
if (HRESULT rc = _timeout ? NtWaitForKeyedEvent(nullptr, &m_value, false, is_inf ? nullptr : &timeout) : WAIT_TIMEOUT)
{
verify(HERE), rc == WAIT_TIMEOUT;
@ -32,6 +32,12 @@ bool cond_variable::imp_wait(u32 _old, u64 _timeout) noexcept
return true;
#else
if (!_timeout)
{
verify(HERE), m_value--;
return false;
}
timespec timeout;
timeout.tv_sec = _timeout / 1000000;
timeout.tv_nsec = (_timeout % 1000000) * 1000;