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[Runtime][Disco] Restore checks for hangup of disco pipe #16997

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Merged
Lunderberg merged 1 commit into from
May 15, 2024
Merged

[Runtime][Disco] Restore checks for hangup of disco pipe #16997

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6 changes: 5 additions & 1 deletion src/support/pipe.h
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,11 @@ class Pipe : public dmlc::Stream {
RetryCallOnEINTR([&]() { return read(handle_, ptr, size); }, GetLastErrorCode);
ICHECK_NE(nread_chunk, -1) << "Write Error: " << strerror(errno);

ICHECK_GT(nread_chunk, 0) << "Was unable to read any data from pipe";
if (nread_chunk == 0) {
break;
}

ICHECK_GE(nread_chunk, 0);
ICHECK_LE(nread_chunk, size) << "Read " << nread_chunk << " bytes, "
<< "but only expected to read " << size << " bytes";
size -= nread_chunk;
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