List of dup2Into() Examples

Examples of dup2Into()

org.jruby.util.io.ChannelDescriptor.dup2Into()
Mimics the POSIX dup2(2) function, returning a new descriptor that references the same open channel but with a specified fileno. This differs from the fileno version by making the target descriptor into a new reference to the current descriptor's channel, closing what it originally pointed to and preserving its original fileno. @param fileno The fileno to use for the new descriptor @return A duplicate ChannelDescriptor based on this one

Examples of org.jruby.util.io.ChannelDescriptor.dup2Into()

                    // check if we're a stdio IO, and ensure we're not badly mutilated
                    if (selfDescriptor.getFileno() >=0 && selfDescriptor.getFileno() <= 2) {
                        selfFile.getMainStream().clearerr();
                        
                        // dup2 new fd into self to preserve fileno and references to it
                        originalDescriptor.dup2Into(selfDescriptor);
                        
                        // re-register, since fileno points at something new now
                        registerDescriptor(selfDescriptor);
                    } else {
                        Stream pipeFile = selfFile.getPipeStream();

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Examples of org.jruby.util.io.ChannelDescriptor.dup2Into()

                // check if we're a stdio IO, and ensure we're not badly mutilated
                if (runtime.getFileno(selfDescriptor) >= 0 && runtime.getFileno(selfDescriptor) <= 2) {
                    selfFile.getMainStreamSafe().clearerr();


                    // dup2 new fd into self to preserve fileno and references to it
                    originalDescriptor.dup2Into(selfDescriptor);
                } else {
                    Stream pipeFile = selfFile.getPipeStream();
                    int mode = selfFile.getMode();
                    selfFile.getMainStreamSafe().fclose();
                    selfFile.setPipeStream(null);

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