--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/java/lang/jspawnhelper.c	Tue Aug 13 19:10:54 2013 +0100
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "childproc.h"
+
+extern int errno;
+
+#define ALLOC(X,Y) { \
+    void *mptr; \
+    mptr = malloc (Y); \
+    if (mptr == 0) { \
+        error (fdout, ERR_MALLOC); \
+    } \
+    X = mptr; \
+}
+
+#define ERR_MALLOC 1
+#define ERR_PIPE 2
+#define ERR_ARGS 3
+
+void error (int fd, int err) {
+    write (fd, &err, sizeof(err));
+    exit (1);
+}
+
+void shutItDown() {
+    fprintf(stdout, "This command is not for general use and should ");
+    fprintf(stdout, "only be run as the result of a call to\n");
+    fprintf(stdout, "ProcessBuilder.start() or Runtime.exec() in a java ");
+    fprintf(stdout, "application\n");
+    _exit(1);
+}
+
+/*
+ * read the following off the pipefd
+ * - the ChildStuff struct
+ * - the SpawnInfo struct
+ * - the data strings for fields in ChildStuff
+ */
+void initChildStuff (int fdin, int fdout, ChildStuff *c) {
+    int n;
+    int argvBytes, nargv, envvBytes, nenvv;
+    int dirlen;
+    char *buf;
+    SpawnInfo sp;
+    int bufsize, offset=0;
+    int magic;
+    int res;
+
+    res = readFully (fdin, &magic, sizeof(magic));
+    if (res != 4 || magic != magicNumber()) {
+        error (fdout, ERR_PIPE);
+    }
+
+    if (readFully (fdin, c, sizeof(*c)) == -1) {
+        error (fdout, ERR_PIPE);
+    }
+
+    if (readFully (fdin, &sp, sizeof(sp)) == -1) {
+        error (fdout, ERR_PIPE);
+    }
+
+    bufsize = sp.argvBytes + sp.envvBytes +
+              sp.dirlen + sp.parentPathvBytes;
+
+    ALLOC(buf, bufsize);
+
+    if (readFully (fdin, buf, bufsize) == -1) {
+        error (fdout, ERR_PIPE);
+    }
+
+    /* Initialize argv[] */
+    ALLOC(c->argv, sizeof(char *) * sp.nargv);
+    initVectorFromBlock (c->argv, buf+offset, sp.nargv-1);
+    offset += sp.argvBytes;
+
+    /* Initialize envv[] */
+    if (sp.nenvv == 0) {
+        c->envv = 0;
+    } else {
+        ALLOC(c->envv, sizeof(char *) * sp.nenvv);
+        initVectorFromBlock (c->envv, buf+offset, sp.nenvv-1);
+        offset += sp.envvBytes;
+    }
+
+    /* Initialize pdir */
+    if (sp.dirlen == 0) {
+        c->pdir = 0;
+    } else {
+        c->pdir = buf+offset;
+        offset += sp.dirlen;
+    }
+
+    /* Initialize parentPathv[] */
+    ALLOC(parentPathv, sizeof (char *) * sp.nparentPathv)
+    initVectorFromBlock ((const char**)parentPathv, buf+offset, sp.nparentPathv-1);
+    offset += sp.parentPathvBytes;
+}
+
+int main(int argc, char *argv[]) {
+    ChildStuff c;
+    int t;
+    struct stat buf;
+    /* argv[0] contains the fd number to read all the child info */
+    int r, fdin, fdout;
+
+    r = sscanf (argv[argc-1], "%d:%d", &fdin, &fdout);
+    if (r == 2 && fcntl(fdin, F_GETFD) != -1) {
+        fstat(fdin, &buf);
+        if (!S_ISFIFO(buf.st_mode))
+            shutItDown();
+    } else {
+        shutItDown();
+    }
+    initChildStuff (fdin, fdout, &c);
+
+    childProcess (&c);
+    return 0; /* NOT REACHED */
+}