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popen: get file descriptor for read side stream

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This commit is contained in:
Steffen Vogel 2019-06-03 17:31:34 +02:00
parent 5cbf7a4a52
commit 3aff01814d
1 changed files with 5 additions and 0 deletions
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5
common/include/villas/popen.hpp
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@ -58,6 +58,11 @@ public:
return *(output.stream);
}
int fd()
{
return input.buffer->fd();
}
protected:
std::string command;
pid_t pid;