mirror of
https://github.com/termux/termux-app
synced 2024-06-20 16:17:07 +00:00
42 lines
1.8 KiB
Java
42 lines
1.8 KiB
Java
package com.termux.terminal;
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/**
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* Native methods for creating and managing pseudoterminal subprocesses. C code is in jni/termux.c.
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*/
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final class JNI {
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static {
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System.loadLibrary("termux");
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}
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/**
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* Create a subprocess. Differs from {@link ProcessBuilder} in that a pseudoterminal is used to communicate with the
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* subprocess.
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* <p/>
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* Callers are responsible for calling {@link #close(int)} on the returned file descriptor.
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*
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* @param cmd The command to execute
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* @param cwd The current working directory for the executed command
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* @param args An array of arguments to the command
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* @param envVars An array of strings of the form "VAR=value" to be added to the environment of the process
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* @param processId A one-element array to which the process ID of the started process will be written.
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* @return the file descriptor resulting from opening /dev/ptmx master device. The sub process will have opened the
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* slave device counterpart (/dev/pts/$N) and have it as stdint, stdout and stderr.
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*/
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public static native int createSubprocess(String cmd, String cwd, String[] args, String[] envVars, int[] processId, int rows, int columns);
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/** Set the window size for a given pty, which allows connected programs to learn how large their screen is. */
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public static native void setPtyWindowSize(int fd, int rows, int cols);
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/**
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* Causes the calling thread to wait for the process associated with the receiver to finish executing.
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*
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* @return if >= 0, the exit status of the process. If < 0, the signal causing the process to stop negated.
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*/
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public static native int waitFor(int processId);
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/** Close a file descriptor through the close(2) system call. */
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public static native void close(int fileDescriptor);
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}
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