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rustdoc: Run pandoc in a way that won't deadlock waiting for IO

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This commit is contained in:
Brian Anderson 2012-03-06 15:01:30 -08:00
parent dc0b9f44e2
commit 513d956dce
1 changed files with 13 additions and 6 deletions
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19
src/rustdoc/markdown_writer.rs
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@ -101,12 +101,19 @@ fn pandoc_writer(
os::close(pipe_err.out);
os::close(pipe_in.out);
let stdout = result::get(task::try {||
readclose(pipe_out.in)
});
let stderr = result::get(task::try {||
readclose(pipe_err.in)
});
let stdout_po = comm::port();
let stdout_ch = comm::chan(stdout_po);
task::spawn_sched(task::single_threaded) {||
comm::send(stdout_ch, readclose(pipe_out.in));
}
let stdout = comm::recv(stdout_po);
let stderr_po = comm::port();
let stderr_ch = comm::chan(stderr_po);
task::spawn_sched(task::single_threaded) {||
comm::send(stderr_ch, readclose(pipe_err.in));
}
let stderr = comm::recv(stderr_po);
let status = run::waitpid(pid);
#debug("pandoc result: %i", status);