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30 lines
665 B
C++
30 lines
665 B
C++
#include <IO/WriteBufferFromFileDescriptorDiscardOnFailure.h>
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namespace ProfileEvents
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{
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extern const Event CannotWriteToWriteBufferDiscard;
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}
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namespace DB
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{
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void WriteBufferFromFileDescriptorDiscardOnFailure::nextImpl()
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{
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size_t bytes_written = 0;
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while (bytes_written != offset())
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{
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ssize_t res = ::write(fd, working_buffer.begin() + bytes_written, offset() - bytes_written);
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if ((-1 == res || 0 == res) && errno != EINTR)
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{
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ProfileEvents::increment(ProfileEvents::CannotWriteToWriteBufferDiscard);
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break; /// Discard
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}
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if (res > 0)
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bytes_written += res;
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}
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}
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}
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