[SCM] master: Prototype jni/Pipe.

[cagney@sourceware.org]

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- Log -----------------------------------------------------------------
commit 6b1edf3fd6d721ae29fd96c54c70bde00920430c
Author: Andrew Cagney <cagney@redhat.com>
Date:   Wed May 21 21:52:29 2008 -0400

    Prototype jni/Pipe.

-----------------------------------------------------------------------

Summary of changes:
 frysk-sys/frysk/sys/ChangeLog    |    2 ++
 frysk-sys/frysk/sys/jni/Pipe.cxx |   27 ++++++++++++++++++++++++++-
 2 files changed, 28 insertions(+), 1 deletions(-)

First 500 lines of diff:
diff --git a/frysk-sys/frysk/sys/ChangeLog b/frysk-sys/frysk/sys/ChangeLog
index c2a024d..2f3a67b 100644
--- a/frysk-sys/frysk/sys/ChangeLog
+++ b/frysk-sys/frysk/sys/ChangeLog
@@ -1,5 +1,7 @@
 2008-05-21  Andrew Cagney  <cagney@redhat.com>
 
+	* jni/Pipe.cxx: Implement.
+
 	* Environ.java (putEnvironment(String[])): Change parameter from
 	Object[] to String[].
 	* jni/Environ.cxx: Implement.
diff --git a/frysk-sys/frysk/sys/jni/Pipe.cxx b/frysk-sys/frysk/sys/jni/Pipe.cxx
index b358932..4b94701 100644
--- a/frysk-sys/frysk/sys/jni/Pipe.cxx
+++ b/frysk-sys/frysk/sys/jni/Pipe.cxx
@@ -1,6 +1,6 @@
 // This file is part of the program FRYSK.
 //
-// Copyright 2008, Red Hat Inc.
+// Copyright 2007, 2008 Red Hat Inc.
 //
 // FRYSK is free software; you can redistribute it and/or modify it
 // under the terms of the GNU General Public License as published by
@@ -37,4 +37,29 @@
 // version and license this file solely under the GPL without
 // exception.
 
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
 #include "jni.hxx"
+
+#include "jnixx/exceptions.hxx"
+
+using namespace java::lang;
+using namespace frysk::sys;
+
+jnixx::array<FileDescriptor>
+Pipe::pipe(jnixx::env env) {
+  const int nfds = 2;
+  int filedes[nfds];
+  if (::pipe (filedes) < 0) {
+    errnoException(env, errno, "pipe");
+  }
+  // printf ("pipe [%d, %d]\n", filedes[0], filedes[1]);
+  jnixx::array<FileDescriptor> fds
+    = jnixx::array<FileDescriptor>::NewObjectArray(env, nfds);
+  for (int i = 0; i < nfds; i++) {
+    fds.SetObjectArrayElement(env, i, FileDescriptor::New(env, filedes[i]));
+  }
+  return fds;
+}


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