Imported gcc-4.4.3

[msp430-gcc.git] / libjava / posix.cc

diff --git a/libjava/posix.cc b/libjava/posix.cc
deleted file mode 100644 (file)
index ebff1c9..0000000
--- a/libjava/posix.cc
+++ /dev/null
@@ -1,158 +0,0 @@
-// posix.cc -- Helper functions for POSIX-flavored OSs.
-
-/* Copyright (C) 2000, 2001, 2002  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 "posix.h"
-
-#include <stdlib.h>
-#include <errno.h>
-#include <signal.h>
-
-#include <jvm.h>
-#include <java/lang/Thread.h>
-#include <java/io/InterruptedIOException.h>
-#include <java/util/Properties.h>
-
-#if defined (ECOS)
-extern "C" unsigned long long _clock (void);
-#endif
-
-// gettimeofday implementation.
-jlong
-_Jv_platform_gettimeofday ()
-{
-#if defined (HAVE_GETTIMEOFDAY)
-  timeval tv;
-  gettimeofday (&tv, NULL);
-  return (tv.tv_sec * 1000LL) + (tv.tv_usec / 1000LL);
-#elif defined (HAVE_TIME)
-  return time (NULL) * 1000LL;
-#elif defined (HAVE_FTIME)
-  struct timeb t;
-  ftime (&t);
-  return (t.time * 1000LL) + t.millitm;
-#elif defined (ECOS)
-  // FIXME.
-  return _clock();
-#else
-  // In the absence of any function, time remains forever fixed.
-  return 23000;
-#endif
-}
-
-// Platform-specific VM initialization.
-void
-_Jv_platform_initialize (void)
-{
-#if defined (HAVE_SIGACTION)
-  // We only want this on POSIX systems.
-  struct sigaction act;
-  act.sa_handler = SIG_IGN;
-  sigemptyset (&act.sa_mask);
-  act.sa_flags = 0;
-  sigaction (SIGPIPE, &act, NULL);
-#else
-  signal (SIGPIPE, SIG_IGN);
-#endif
-}
-
-// Set platform-specific System properties.
-void
-_Jv_platform_initProperties (java::util::Properties* newprops)
-{
-  // A convenience define.
-#define SET(Prop,Val) \
-  newprops->put(JvNewStringLatin1 (Prop), JvNewStringLatin1 (Val))
-
-  SET ("file.separator", "/");
-  SET ("path.separator", ":");
-  SET ("line.separator", "\n");
-  char *tmpdir = ::getenv("TMPDIR");
-  if (! tmpdir)
-    tmpdir = "/tmp";
-  SET ("java.io.tmpdir", tmpdir);
-}
-
-static inline void
-internal_gettimeofday (struct timeval *result)
-{
-#if defined (HAVE_GETTIMEOFDAY)
-  gettimeofday (result, NULL);
-#else
-  jlong val = _Jv_platform_gettimeofday ();
-  result->tv_sec = val / 1000;
-  result->tv_usec = (val % 1000) * 1000;
-#endif /* HAVE_GETTIMEOFDAY */
-}
-
-// A wrapper for select() which ignores EINTR.
-int
-_Jv_select (int n, fd_set *readfds, fd_set  *writefds,
-           fd_set *exceptfds, struct timeval *timeout)
-{
-#ifdef HAVE_SELECT
-  // If we have a timeout, compute the absolute ending time.
-  struct timeval end, delay;
-  if (timeout)
-    {
-      internal_gettimeofday (&end);
-      end.tv_usec += timeout->tv_usec;
-      if (end.tv_usec >= 1000000)
-       {
-         ++end.tv_sec;
-         end.tv_usec -= 1000000;
-       }
-      end.tv_sec += timeout->tv_sec;
-      delay = *timeout;
-    }
-  else
-    {
-      // Placate compiler.
-      delay.tv_sec = delay.tv_usec = 0;
-    }
-
-  while (1)
-    {
-      int r = select (n, readfds, writefds, exceptfds,
-                     timeout ? &delay : NULL);
-      if (r != -1 || errno != EINTR)
-       return r;
-
-      // Here we know we got EINTR.
-      if (java::lang::Thread::interrupted ())
-       throw new java::io::InterruptedIOException (JvNewStringLatin1 ("select interrupted"));
-
-      struct timeval after;
-      if (timeout)
-       {
-         internal_gettimeofday (&after);
-         // Now compute new timeout argument.
-         delay.tv_usec = end.tv_usec - after.tv_usec;
-         delay.tv_sec = end.tv_sec - after.tv_sec;
-         if (delay.tv_usec < 0)
-           {
-             --delay.tv_sec;
-             delay.tv_usec += 1000000;
-           }
-         if (delay.tv_sec < 0)
-           {
-             // We assume that the user wants a valid select() call
-             // more than precise timing.  So if we get a series of
-             // EINTR we just keep trying with delay 0 until we get a
-             // valid result.
-             delay.tv_sec = 0;
-           }
-       }
-    }
-#else /* HAVE_SELECT */
-  return 0;
-#endif
-}