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Don't read() from the invalid descriptor #503

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Don't read() from the invalid descriptor #503

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3 changes: 3 additions & 0 deletions ixwebsocket/IXSelectInterruptPipe.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,9 @@ namespace ix

int fd = _fildes[kPipeReadIndex];

// A weird state has been reached (consider reporting to the error log?)
if (-1 == fd) return std::numeric_limits<uint64_t>::max();

uint64_t value = 0;

ssize_t ret = -1;
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