Add support to create a pseudo master terminal for the debugger.

core/org.eclipse.cdt.core.linux/library/.cvsignore

@@ -0,0 +1 @@
+*.o

core/org.eclipse.cdt.core.linux/library/Makefile

@@ -5,14 +5,27 @@ JDK_INCLUDES=/usr/local/jdk/include
 JDK_OS_INCLUDES=/usr/local/jdk/include/linux
 
 CC=gcc
-LIB_NAME = libspawner.so
-LIB_NAME_FULL = ../os/linux/x86/libspawner.so
-OBJS=spawner.o io.o exec_unix.o pfind.o
 CPPFLAGS = -I. -I$(JDK_INCLUDES) -I$(JDK_OS_INCLUDES)
 CFLAGS +=-fpic  -D_REENTRANT
 
-spawner : $(OBJS)
-	$(CC) -g -shared -Wl,-soname,$(LIB_NAME) -o $(LIB_NAME_FULL) $(OBJS) -lc
+LIB_NAME_SPAWNER = libspawner.so
+LIB_NAME_FULL_SPAWNER = ../os/linux/x86/libspawner.so
+OBJS_SPAWNER=spawner.o io.o exec_unix.o pfind.o
+
+LIB_NAME_PTY = libpty.so
+LIB_NAME_FULL_PTY = ../os/linux/x86/libpty.so
+OBJS_PTY= openpty.o pty.o ptyio.o
+
+OBJS = $(OBJS_SPAWNER) $(OBJS_PTY)
+
+all: $(LIB_NAME_FULL_SPAWNER) $(LIB_NAME_FULL_PTY)
+
+$(LIB NAME_FULL_SPAWNER) : $(OBJS_SPAWNER)
+	$(CC) -g -shared -Wl,-soname,$(LIB_NAME_SPAWNER) -o $(LIB_NAME_FULL_SPAWNER) $(OBJS_SPAWNER) -lc
+
+$(LIB_NAME_FULL_PTY): $(OBJS_PTY)
+	$(CC) -g -shared -Wl,-soname,$(LIB_NAME_PTY) -o $(LIB_NAME_FULL_PTY) $(OBJS_PTY)
 
 clean :
-	rm $(OBJS)
+	echo -rm $(OBJS_SPAWNER) $(LIB_NAME_FULL_SPAWNER)
+	-rm $(OBJS_PTY) $(LIB_NAME_FULL_PTY)

core/org.eclipse.cdt.core.linux/library/PTY.h

@@ -0,0 +1,21 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class org_eclipse_cdt_utils_pty_PTY */
+
+#ifndef _Included_org_eclipse_cdt_utils_pty_PTY
+#define _Included_org_eclipse_cdt_utils_pty_PTY
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTY
+ * Method:    forkpty
+ * Signature: ()I
+ */
+JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_pty_PTY_forkpty
+  (JNIEnv *, jobject);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

core/org.eclipse.cdt.core.linux/library/PTYInputStream.h

@@ -0,0 +1,32 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class org_eclipse_cdt_utils_pty_PTYInputStream */
+
+#ifndef _Included_org_eclipse_cdt_utils_pty_PTYInputStream
+#define _Included_org_eclipse_cdt_utils_pty_PTYInputStream
+#ifdef __cplusplus
+extern "C" {
+#endif
+#undef org_eclipse_cdt_utils_pty_PTYInputStream_SKIP_BUFFER_SIZE
+#define org_eclipse_cdt_utils_pty_PTYInputStream_SKIP_BUFFER_SIZE 2048L
+/* Inaccessible static: skipBuffer */
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYInputStream
+ * Method:    read0
+ * Signature: (I[BI)I
+ */
+JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_pty_PTYInputStream_read0
+  (JNIEnv *, jobject, jint, jbyteArray, jint);
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYInputStream
+ * Method:    close0
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_pty_PTYInputStream_close0
+  (JNIEnv *, jobject, jint);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

core/org.eclipse.cdt.core.linux/library/PTYOutputStream.h

@@ -0,0 +1,29 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class org_eclipse_cdt_utils_pty_PTYOutputStream */
+
+#ifndef _Included_org_eclipse_cdt_utils_pty_PTYOutputStream
+#define _Included_org_eclipse_cdt_utils_pty_PTYOutputStream
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYOutputStream
+ * Method:    write0
+ * Signature: (I[BI)I
+ */
+JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_pty_PTYOutputStream_write0
+  (JNIEnv *, jobject, jint, jbyteArray, jint);
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYOutputStream
+ * Method:    close0
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_pty_PTYOutputStream_close0
+  (JNIEnv *, jobject, jint);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

core/org.eclipse.cdt.core.linux/library/openpty.c

@@ -0,0 +1,105 @@
+/*
+ * (c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ *
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <grp.h>
+
+#include <stdlib.h>
+#include <stropts.h>
+
+/**
+ * This is taken from R. W. Stevens book.
+ * Alain Magloire.
+ */
+
+int ptym_open (char *pts_name);
+int ptys_open (int fdm, char * pts_name);
+
+int
+openpty(int *amaster, int *aslave, char *name, struct termios *termp, struct winsize *winp)
+{
+	char line[20];
+	line[0]=0;
+	*amaster = ptym_open(line);
+	if (*amaster < 0)
+		return -1;
+	*aslave = ptys_open(*amaster, line);
+	if (*aslave < 0) {
+		close(*amaster);
+		return -1;
+	}
+	if (name)
+		strcpy(name, line);
+#ifndef TCSAFLUSH
+#define TCSAFLUSH TCSETAF
+#endif
+	if (termp)
+		(void) tcsetattr(*aslave, TCSAFLUSH, termp);
+#ifdef TIOCSWINSZ
+	if (winp)
+		(void) ioctl(*aslave, TIOCSWINSZ, (char *)winp);
+#endif
+	return 0;
+}
+
+int
+ptym_open(char * pts_name)
+{
+	int fdm;
+	char *ptr;
+
+	strcpy(pts_name, "/dev/ptmx");
+	fdm = getpt();
+	if (fdm < 0)
+		return -1;
+	if (grantpt(fdm) < 0) { /* grant access to slave */
+		close(fdm);
+		return -2;
+	}
+	if (unlockpt(fdm) < 0) { /* clear slave's lock flag */
+		close(fdm);
+		return -3;
+	}
+	ptr = ptsname(fdm);
+	if (ptr == NULL) { /* get slave's name */
+		close (fdm);
+		return -4;
+	}
+	strcpy(pts_name, ptr); /* return name of slave */
+	return fdm;            /* return fd of master */
+}
+
+int
+ptys_open(int fdm, char * pts_name)
+{
+	int fds;
+	/* following should allocate controlling terminal */
+	fds = open(pts_name, O_RDWR);
+	if (fds < 0) {
+		close(fdm);
+		return -5;
+	}
+	if (ioctl(fds, I_PUSH, "ptem") < 0) {
+		printf("pterm:%s\n", strerror(errno));
+		close(fdm);
+		close(fds);
+		return -6;
+	}
+	if (ioctl(fds, I_PUSH, "ldterm") < 0) {
+		printf("ldterm %s\n", strerror(errno));
+		close(fdm);
+		close(fds);
+		return -7;
+	}
+	return fds;
+}

core/org.eclipse.cdt.core.linux/library/openpty.h

@@ -0,0 +1,10 @@
+/*
+ * (c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ *
+ */
+#ifndef _OPENPTY_H
+#define _OPENPTY_H
+int ptym_open (char *pts_name);
+int ptys_open (int fdm, char * pts_name);
+#endif

core/org.eclipse.cdt.core.linux/library/pty.c

@@ -0,0 +1,36 @@
+#include "PTY.h"
+#include "openpty.h"
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTY
+ * Method:    forkpty
+ * Signature: ()I
+ */
+JNIEXPORT jstring JNICALL
+Java_org_eclipse_cdt_utils_pty_PTY_forkpty (JNIEnv *env, jobject jobj) {
+	jfieldID fid; /* Store the field ID */
+	jstring jstr = NULL;
+	int master = -1;
+	char line[1024];	/* FIXME: Should be enough */
+	int err;
+	jclass cls;
+
+	line[0] = '\0';
+
+	master = ptym_open(line);
+	if (err >= 0) {
+		/* Get a reference to the obj's class */
+		cls = (*env)->GetObjectClass(env, jobj);
+
+		/* Set the master fd.  */
+		fid = (*env)->GetFieldID(env, cls, "master", "I");
+		if (fid == NULL) {
+			return NULL;
+		}
+		(*env)->SetIntField(env, jobj, fid, (jint)master);
+
+		/* Create a new String for the slave.  */
+		jstr = (*env)->NewStringUTF(env, line);
+	}
+	return jstr;
+}

core/org.eclipse.cdt.core.linux/library/ptyio.c

@@ -0,0 +1,103 @@
+#include <jni.h>
+#include <stdio.h>
+#include <PTYInputStream.h>
+#include <PTYOutputStream.h>
+#include <unistd.h>
+
+/* Header for class _org_eclipse_cdt_utils_pty_PTYInputStream */
+/* Header for class _org_eclipse_cdt_utils_pty_PTYOutputStream */
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYInputStream
+ * Method:    read0
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL
+Java_org_eclipse_cdt_utils_pty_PTYInputStream_read0(JNIEnv * env,
+                                                          jobject jobj,
+                                                          jint jfd,
+                                                          jbyteArray buf,
+                                                          jint buf_len)
+{
+    int fd;
+    int status;
+    jbyte *data;
+    int data_len;
+
+    data = (*env)->GetByteArrayElements(env, buf, 0);
+    data_len = buf_len;
+    fd = jfd;
+
+    status = read( fd, data, data_len );
+    (*env)->ReleaseByteArrayElements(env, buf, data, 0);
+
+    if (status == 0) {
+        /* EOF. */
+        status = -1;
+    } else if (status == -1) {
+        /* Error, toss an exception */
+        jclass exception = (*env)->FindClass(env, "java/io/IOException");
+        if (exception == NULL) {
+            /* Give up.  */
+            return -1;
+        }
+        (*env)->ThrowNew(env, exception, "read error");
+    }
+
+    return status;
+}
+
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYInputStream
+ * Method:    close0
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL
+Java_org_eclipse_cdt_utils_pty_PTYInputStream_close0(JNIEnv * env,
+                                                           jobject jobj,
+                                                           jint fd)
+{
+    return close(fd);
+}
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYOutputStream
+ * Method:    write0
+ * Signature: (II)I
+ */
+JNIEXPORT jint JNICALL
+Java_org_eclipse_cdt_utils_pty_PTYOutputStream_write0(JNIEnv * env,
+                                                            jobject jobj,
+                                                            jint jfd,
+                                                            jbyteArray buf,
+                                                            jint buf_len)
+{
+    int status;
+    int fd;
+    jbyte *data;
+    int data_len;
+
+    data = (*env)->GetByteArrayElements(env, buf, 0);
+    data_len = buf_len;
+    fd = jfd;
+
+    status = write(fd, data, data_len);
+    (*env)->ReleaseByteArrayElements(env, buf, data, 0);
+
+    return status;
+}
+
+
+/*
+ * Class:     org_eclipse_cdt_utils_pty_PTYOutputStream
+ * Method:    close0
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL
+Java_org_eclipse_cdt_utils_pty_PTYOutputStream_close0(JNIEnv * env,
+                                                            jobject jobj,
+                                                            jint fd)
+{
+    return close(fd);
+}

debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIInferior.java

@@ -18,6 +18,7 @@ import org.eclipse.cdt.debug.mi.core.command.MIGDBShowExitCode;
 import org.eclipse.cdt.debug.mi.core.event.MIInferiorExitEvent;
 import org.eclipse.cdt.debug.mi.core.output.MIGDBShowExitCodeInfo;
 import org.eclipse.cdt.debug.mi.core.output.MIInfo;
+import org.eclipse.cdt.utils.pty.PTY;
 import org.eclipse.cdt.utils.spawner.Spawner;
 
 /**
@@ -35,15 +36,19 @@ public class MIInferior extends Process {
 	MISession session;
 
 	OutputStream out;
+	InputStream in;
 	
-	PipedInputStream in;
 	PipedOutputStream inPiped;
 
 	PipedInputStream err;
 	PipedOutputStream errPiped;
 
-	MIInferior(MISession mi) {
+	MIInferior(MISession mi, PTY pty) {
 		session = mi;
+		if (pty != null) {
+			out = pty.getOutputStream();
+			in = pty.getInputStream();
+		}
 	}
 
 	/**

debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIPlugin.java

@@ -5,15 +5,13 @@
 package org.eclipse.cdt.debug.mi.core;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.eclipse.cdt.debug.core.cdi.ICDISession;
 import org.eclipse.cdt.debug.mi.core.cdi.CSession;
 import org.eclipse.cdt.debug.mi.core.command.CommandFactory;
-import org.eclipse.cdt.debug.mi.core.command.MIBreakInsert;
 import org.eclipse.cdt.debug.mi.core.command.MITargetAttach;
 import org.eclipse.cdt.debug.mi.core.output.MIInfo;
+import org.eclipse.cdt.utils.pty.PTY;
 import org.eclipse.cdt.utils.spawner.ProcessFactory;
 import org.eclipse.core.runtime.IPluginDescriptor;
 import org.eclipse.core.runtime.Plugin;
@@ -44,14 +42,23 @@ public class MIPlugin extends Plugin {
 
 	/**
 	 * Method createMISession.
-	 * @param in
-	 * @param out
+	 * @param Process
 	 * @return MISession
 	 */
 	public MISession createMISession(Process process) throws MIException {
 		return new MISession(process);
 	}
 
+	/**
+	 * Method createMISession.
+	 * @param Process
+	 * @param PTY
+	 * @return MISession
+	 */
+	public MISession createMISession(Process process, PTY pty) throws MIException {
+		return new MISession(process, pty);
+	}
+
 	/**
 	 * Method createCSession.
 	 * @param program
@@ -59,9 +66,20 @@ public class MIPlugin extends Plugin {
 	 * @throws IOException
 	 */
 	public ICDISession createCSession(String program) throws IOException, MIException {
-		String[]args = new String[]{"gdb", "-q", "-nw", "-i", "mi", program};
+ 		String[] args;
+		PTY pty = null;
+		try {
+			pty = new PTY();
+			String ttyName = pty.getSlaveName();
+			args = new String[]{"gdb", "-q", "-nw", "-tty", ttyName, "-i", "mi", program};
+		} catch (IOException e) {
+			e.printStackTrace();
+			pty = null;
+			args = new String[]{"gdb", "-q", "-nw", "-i", "mi", program};
+		}
+
 		Process gdb = ProcessFactory.getFactory().exec(args);
-		MISession session = createMISession(gdb);
+		MISession session = createMISession(gdb, pty);
 		/*
 		try {
 			CommandFactory factory = session.getCommandFactory();

debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MISession.java

@@ -22,6 +22,7 @@ import org.eclipse.cdt.debug.mi.core.event.MIGDBExitEvent;
 import org.eclipse.cdt.debug.mi.core.output.MIInfo;
 import org.eclipse.cdt.debug.mi.core.output.MIOutput;
 import org.eclipse.cdt.debug.mi.core.output.MIParser;
+import org.eclipse.cdt.utils.pty.PTY;
 
 /**
  * Represents a GDB/MI session.
@@ -56,10 +57,19 @@ public class MISession extends Observable {
 	/**
 	 * Create the gdb session.
 	 *
-	 * @param i the gdb input channel.
-	 * @param o gdb output channel.
+	 * @param Process gdb Process.
 	 */
 	public MISession(Process process) throws MIException {
+		this(process, null);
+	}
+
+	/**
+	 * Create the gdb session.
+	 *
+	 * @param Process gdb Process.
+	 * @param pty Terminal to use for the inferior.
+	 */
+	public MISession(Process process, PTY pty) throws MIException {
 		miProcess = process;
 		inChannel = process.getInputStream();
 		outChannel = process.getOutputStream();
@@ -69,7 +79,7 @@ public class MISession extends Observable {
 		parser = new MIParser();
 
 		// Do this first.
-		inferior = new MIInferior(this);
+		inferior = new MIInferior(this, pty);
 
 		txQueue = new CommandQueue();
 		rxQueue = new CommandQueue();