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Wait for terminal size before starting process

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This fixes https://github.com/termux/termux-widget/issues/2, which
was caused by the terminal launching the terminal session process
before the terminal size was known.

Also remove the built JNI libraries from source control.
This commit is contained in:
Fredrik Fornwall
2016-02-09 11:24:05 +01:00
parent 1b6919bb23
commit 6405180cb8
6 changed files with 45 additions and 15 deletions
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30
app/src/main/java/com/termux/terminal/TerminalSession.java
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@@ -82,14 +82,17 @@ public final class TerminalSession extends TerminalOutput {
/** Callback which gets notified when a session finishes or changes title. */
final SessionChangedCallback mChangeCallback;
/** The pid of the shell process or -1 if not running. */
/** The pid of the shell process. 0 if not started and -1 if finished running. */
int mShellPid;
int mShellExitStatus = -1;
/** The exit status of the shell process. Only valid if ${@link #mShellPid} is -1. */
int mShellExitStatus;
/**
* The file descriptor referencing the master half of a pseudo-terminal pair, resulting from calling
* {@link JNI#createSubprocess(String, String, String[], String[], int[])}.
*/
final int mTerminalFileDescriptor;
private int mTerminalFileDescriptor;
/** Set by the application for user identification of session, not by terminal. */
public String mSessionName;
@@ -128,20 +131,26 @@ public final class TerminalSession extends TerminalOutput {
}
};
private final String mShellPath;
private final String mCwd;
private final String[] mArgs;
private final String[] mEnv;
public TerminalSession(String shellPath, String cwd, String[] args, String[] env, SessionChangedCallback changeCallback) {
mChangeCallback = changeCallback;
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(shellPath, cwd, args, env, processId);
mShellPid = processId[0];
this.mShellPath = shellPath;
this.mCwd = cwd;
this.mArgs = args;
this.mEnv = env;
}
/** Inform the attached pty of the new size and reflow or initialize the emulator. */
public void updateSize(int columns, int rows) {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
if (mEmulator == null) {
initializeEmulator(columns, rows);
} else {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
mEmulator.resize(columns, rows);
}
}
@@ -161,6 +170,11 @@ public final class TerminalSession extends TerminalOutput {
*/
public void initializeEmulator(int columns, int rows) {
mEmulator = new TerminalEmulator(this, columns, rows, /* transcript= */5000);
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(mShellPath, mCwd, mArgs, mEnv, processId, rows, columns);
mShellPid = processId[0];
final FileDescriptor terminalFileDescriptorWrapped = wrapFileDescriptor(mTerminalFileDescriptor);
new Thread("TermSessionInputReader[pid=" + mShellPid + "]") {
@@ -204,7 +218,7 @@ public final class TerminalSession extends TerminalOutput {
/** Write data to the shell process. */
@Override
public void write(byte[] data, int offset, int count) {
mTerminalToProcessIOQueue.write(data, offset, count);
if (mShellPid > 0) mTerminalToProcessIOQueue.write(data, offset, count);
}
/** Write the Unicode code point to the terminal encoded in UTF-8. */