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Offset in just-read block is always zero.

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This commit is contained in:
Bartosz Taudul 2020-02-13 18:39:46 +01:00
parent 26584b00c3
commit c870b10387
1 changed files with 13 additions and 3 deletions
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16
server/TracyFileRead.hpp
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@ -333,16 +333,26 @@ private:
auto dst = (char*)ptr; auto dst = (char*)ptr;
while( size > 0 ) while( size > 0 )
{ {
size_t sz;
if( m_offset == BufSize ) if( m_offset == BufSize )
{ {
sz = std::min<size_t>( size, BufSize );
m_signalSwitch.store( true, std::memory_order_relaxed ); m_signalSwitch.store( true, std::memory_order_relaxed );
while( m_signalAvailable.load( std::memory_order_acquire ) == false ) { YieldThread(); } while( m_signalAvailable.load( std::memory_order_acquire ) == false ) { YieldThread(); }
m_signalAvailable.store( false, std::memory_order_relaxed ); m_signalAvailable.store( false, std::memory_order_relaxed );
assert( m_offset == 0 );
memcpy( dst, m_buf, sz );
m_offset = sz;
}
else
{
sz = std::min( size, BufSize - m_offset );
memcpy( dst, m_buf + m_offset, sz );
m_offset += sz;
} }
const auto sz = std::min( size, BufSize - m_offset );
memcpy( dst, m_buf + m_offset, sz );
m_offset += sz;
dst += sz; dst += sz;
size -= sz; size -= sz;
} }