Fix simple_exec's waitpid error #61
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When SIGCHLD is ignored (the default) then waitpid will always return error (-1) on linux. This caused the assertion to fail even when everything is working correctly. This change adds an empty SIGCHLD handler so waitpid will give a useful result. At the end the previous handler is restored.
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I only just found the submitting_pull_requests doc. I have tested this on archlinux 64-bit with gcc. |
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When SIGCHLD is ignored (the default) then waitpid will always return error (-1) on linux.
This caused the assertion to fail even when everything is working correctly.
This change adds an empty SIGCHLD handler so waitpid will give a useful result.
At the end the previous handler is restored.