Adding O_CLOEXEC to prevent child process locking #478
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The serial port should be closed if a child process successfully invokes execve, as failure to do so could result in a child process holding an exclusive lock to the serial port.
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I'm merging this PR in along with some other PRs in a few. |
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The serial port should be closed if a child process successfully invokes execve, as failure to do so could result in a child process holding an exclusive lock to the serial port.
See #477 for details.