subprocess::Popen::communicate

Synopses

Declared in <util/subprocess.h>

Reads the child's output and error until it exits, without sending any input.

std::pair<OutBuffer, ErrBuffer>
communicate();

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Sends a string to the child, then reads its output and error until it exits.

std::pair<OutBuffer, ErrBuffer>
communicate(std::string const& msg);

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Sends a byte vector to the child, then reads its output and error until it exits.

std::pair<OutBuffer, ErrBuffer>
communicate(std::vector<char> const& msg);

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Sends raw bytes to the child, then reads its output and error until it exits.

std::pair<OutBuffer, ErrBuffer>
communicate(
    char const* msg,
    size_t length);

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