natPipeImpl.cc, [...]: Removed

2003-11-11  Michael Koch  <konqueror@gmx.de>

	* gnu/java/nio/natPipeImpl.cc,
	gnu/java/nio/natSelectorImpl.cc: Removed
	* gnu/java/nio/natPipeImplEcos.cc,
	gnu/java/nio/natPipeImplPosix.cc,
	gnu/java/nio/natPipeImplWin32.cc,
	gnu/java/nio/natSelectorImplEcos.cc,
	gnu/java/nio/natSelectorImplPosix.cc,
	gnu/java/nio/natSelectorImplWin32.cc: New files
	* configure.in: Create links for gnu/java/nio/natPipeImpl.cc and
	gnu/java/nio/natSelectorImpl.cc
	* configure: Regenerated.

From-SVN: r73446

1 files changed, 91 insertions, 0 deletions

diff --git a/libjava/gnu/java/nio/natSelectorImplWin32.cc b/libjava/gnu/java/nio/natSelectorImplWin32.cc
new file mode 100644
index 0000000..c82c2aa
--- /dev/null
+++ b/libjava/gnu/java/nio/natSelectorImplWin32.cc
@@ -0,0 +1,91 @@
+// natSelectorImplWin32.cc
+
+/* Copyright (C) 2003  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+#include <platform.h>
+
+#include <errno.h>
+#include <string.h>
+
+#include <gnu/java/nio/SelectorImpl.h>
+#include <java/io/IOException.h>
+
+void
+helper_put_filedescriptors (jintArray fdArray, fd_set& fds, int& max_fd)
+{
+  jint* tmpFDArray = elements (fdArray);
+
+  for (int index = 0; index < JvGetArrayLength (fdArray); index++)
+    {
+      FD_SET (tmpFDArray [index], &fds);
+
+      if (tmpFDArray [index] > max_fd)
+        max_fd = tmpFDArray [index];
+    }
+}
+
+void
+helper_get_filedescriptors (jintArray& fdArray, fd_set fds)
+{
+  jint* tmpFDArray = elements (fdArray);
+  
+  for (int index = 0; index < JvGetArrayLength (fdArray); index++)
+    if (!FD_ISSET (tmpFDArray [index], &fds))
+      tmpFDArray [index] = 0;
+}
+
+jint
+gnu::java::nio::SelectorImpl::implSelect (jintArray read, jintArray write,
+                                          jintArray except, jlong timeout)
+{
+  jint result;
+  int max_fd = 0;
+  fd_set read_fds;
+  fd_set write_fds;
+  fd_set except_fds;
+  struct timeval real_time_data;
+  struct timeval *time_data = NULL;
+
+  real_time_data.tv_sec = 0;
+  real_time_data.tv_usec = timeout;
+
+  // If not legal timeout value is given, use NULL.
+  // This means an infinite timeout.
+  if (timeout >= 0)
+    {
+      time_data = &real_time_data;
+    }
+
+  // Reset all fd_set structures
+  FD_ZERO (&read_fds);
+  FD_ZERO (&write_fds);
+  FD_ZERO (&except_fds);
+
+  // Fill the fd_set data structures for the _Jv_select() call.
+  helper_put_filedescriptors (read, read_fds, max_fd);
+  helper_put_filedescriptors (write, write_fds, max_fd);
+  helper_put_filedescriptors (except, except_fds, max_fd);
+
+  // Actually do the select
+  result = _Jv_select (max_fd + 1, &read_fds, &write_fds, &except_fds, time_data);
+
+  if (result < 0)
+    {
+      char* strerr = strerror (errno);
+      throw new ::java::io::IOException (JvNewStringUTF (strerr));
+    }
+
+  // Set the file descriptors according to the values returned from select().
+  helper_get_filedescriptors (read, read_fds);
+  helper_get_filedescriptors (write, write_fds);
+  helper_get_filedescriptors (except, except_fds);
+
+  return result;
+}